{"id":655,"date":"2025-05-30T16:00:11","date_gmt":"2025-05-30T13:00:11","guid":{"rendered":"https:\/\/wiki.voka.io\/diseases\/uncategorized\/elements-morphologiques-primaires-non-cavitaires\/"},"modified":"2026-07-22T16:38:25","modified_gmt":"2026-07-22T13:38:25","slug":"elements-morphologiques-primaires-non-cavitaires","status":"publish","type":"diseases_post","link":"https:\/\/wiki.voka.io\/fr\/maladies\/dermatologiques\/elements-morphologiques-primaires-non-cavitaires\/","title":{"rendered":"L\u00e9sions cutan\u00e9es primitives \u00e0 contenu solide : classification et manifestations cliniques"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p class=\"wp-block-paragraph\">Les l\u00e9sions primitives sont des alt\u00e9rations de la peau et des muqueuses qui surviennent \u00e0 la suite de divers processus pathologiques dans la peau et les muqueuses intactes.<\/p>\n<p class=\"wp-block-paragraph\">On distingue 5 types de l\u00e9sions primitives \u00e0 contenu solide :<\/p>\n<ul class=\"wp-block-list\">\n<li>macule (<em>macula<\/em>)\u00a0;<\/li>\n<li>papule (<em>papula<\/em>)\u00a0;<\/li>\n<li>tubercule (<em>tuberculum<\/em>)\u00a0;<\/li>\n<li>nodule (<em>nodus<\/em>)\u00a0;<\/li>\n<li>l\u00e9sion urticarienne (<em>urtica<\/em>).<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/catalog.voka.io\/en\/models\/7db286c9-2c92-4696-b674-d0728758df1f\/aa84b768-8b8e-4880-907f-1fe18463dd42\/046e3aa5-93e1-45b7-8d60-d11e384a55d2\/3fa16014-d28e-4923-96fe-e8337bae9e19\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mod\u00e8les\u00a03D<\/a> des\u00a0l\u00e9sions primitives \u00e0 contenu solide\u00a0:<\/p>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_6aaca64f39994\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/1-Vascular_inflammatory_spot.webp\" alt=\"Macule vasculaire inflammatoire\"><span class=\"small-text-article text-main-text-color\">Macule vasculaire inflammatoire<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/2-Vascular%20non-inflammatory%20spot.webp\" alt=\"Macule vasculaire non inflammatoire\"><span class=\"small-text-article text-main-text-color\">Macule vasculaire non inflammatoire<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/3-Vascular_hemmorahic_spot.webp\" alt=\"Macule vasculaire h\u00e9morragique\"><span class=\"small-text-article text-main-text-color\">Macule vasculaire h\u00e9morragique<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/4-Hyperpigmented_spot.webp\" alt=\"Macule hyperpigment\u00e9e\"><span class=\"small-text-article text-main-text-color\">Macule hyperpigment\u00e9e<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/5-Hypopigmented_spot.webp\" alt=\"Macule hypochromique\"><span class=\"small-text-article text-main-text-color\">Macule hypochromique<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-carousel__controls\">\n<div class=\"swiper-article-carousel__pagination-container swiper-article-carousel__pagination-container-block_6aaca64f39994\"><\/div>\n<div class=\"swiper-article-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_6aaca64f39994\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><button class=\"swiper__arrow swiper__arrow--next carousel-swiper-button-next swiper__arrow swiper__arrow--next carousel-swiper-button-next-block_6aaca64f39994\" tabindex=\"0\" aria-label=\"Next slide\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_6aaca64f39994', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_6aaca64f39994',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_6aaca64f39994',\n                prevEl: '.carousel-swiper-button-prev-block_6aaca64f39994',\n            },\n        })\n    })\n<\/script><\/p>\n<h2 id=\"macule-patch\" class=\"wp-block-heading\">Macule \/ Patch<\/h2>\n<p class=\"wp-block-paragraph\">La macule est une l\u00e9sion primitive \u00e0 contenu solide sur la peau ou les muqueuses, qui se caract\u00e9rise par un changement de couleur dans une zone circonscrite. Les macules sont toujours plates et ne laissent aucune cicatrice apr\u00e8s leur disparition.<\/p>\n<p class=\"wp-block-paragraph\">Dans la litt\u00e9rature dermatologique internationale, les macules sont class\u00e9es selon leur taille comme suit\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li><em>macule<\/em>\u00a0\u2013 tache d\u2019un diam\u00e8tre inf\u00e9rieur \u00e0 1\u00a0cm\u00a0;<\/li>\n<li><em>patch<\/em>\u00a0\u2013 tache d\u2019un diam\u00e8tre sup\u00e9rieur \u00e0 1\u00a0cm.<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">En fonction de la nature des macules, celles-ci peuvent \u00eatre :<\/p>\n<ul class=\"wp-block-list\">\n<li>non inflammatoires ;<\/li>\n<li>inflammatoires. <\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">Selon l\u2019origine des macules, on distingue les cat\u00e9gories suivantes :<\/p>\n<ul class=\"wp-block-list\">\n<li>vasculaires ;<\/li>\n<li>h\u00e9morragiques ;<\/li>\n<li>pigment\u00e9s\u00a0.<\/li>\n<\/ul>\n<h3 id=\"macule-vasculaire-inflammatoire\" class=\"wp-block-heading\"><strong>Macule vasculaire inflammatoire<\/strong><\/h3>\n<p class=\"wp-block-paragraph\">Les macules vasculaires inflammatoires apparaissent \u00e0 la suite d\u2019une dilatation vasculaire dermique secondaire \u00e0 une r\u00e9action inflammatoire. Elles disparaissent \u00e0 la pression (par diascopie).<\/p>\n<p class=\"wp-block-paragraph\">La couleur des macules varie du rose p\u00e2le au rouge vif. Elles ont g\u00e9n\u00e9ralement des contours irr\u00e9guliers et des limites mal d\u00e9finies.<\/p>\n<p class=\"wp-block-paragraph\">Les macules de moins de\u00a01\u00a0cm de diam\u00e8tre sont appel\u00e9es <strong>ros\u00e9oles<\/strong>, et celles de 1\u00a0cm ou plus\u00a0\u2013 <strong>\u00e9ryth\u00e8mes<\/strong>.<\/p>\n<p class=\"wp-block-paragraph\">Les macules de ce type sont observ\u00e9es dans des maladies telles que la ros\u00e9ole syphilitique et infectieuse, l\u2019ecz\u00e9ma, la dermatite, la rosac\u00e9e et le lupus \u00e9ryth\u00e9mateux.<\/p>\n<figure class=\"wp-block-video\" id=\"animation-3d-macule-vasculaire-inflammatoire\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/1-Vascular%20inflammatory%20spot_horizontal_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 macule vasculaire inflammatoire<\/figcaption><\/figure>\n<h3 id=\"macule-vasculaire-non-inflammatoire\" class=\"wp-block-heading\"><strong>Macule vasculaire non inflammatoire<\/strong><\/h3>\n<p class=\"wp-block-paragraph\">Les macules vasculaires non inflammatoires apparaissent \u00e0 la suite d\u2019une dilatation temporaire ou permanente des vaisseaux cutan\u00e9s sans r\u00e9action inflammatoire. Elles ne disparaissent pas \u00e0 la pression (par diascopie).<\/p>\n<p class=\"wp-block-paragraph\">Exemples\u00a0: bouff\u00e9es de chaleur \u00e9ryth\u00e9mateuses, h\u00e9mangiomes ou t\u00e9langiectasies.<\/p>\n<figure class=\"wp-block-video\" id=\"animation-3d-macule-vasculaire-non-inflammatoire\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/2-Vascular%20non-inflammatory%20spot_horizontal_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 macule vasculaire non inflammatoire<\/figcaption><\/figure>\n<h3 id=\"macule-vasculaire-hemorragique\" class=\"wp-block-heading\"><strong>Macule vasculaire h\u00e9morragique<\/strong><\/h3>\n<p class=\"wp-block-paragraph\">Les macules vasculaires h\u00e9morragiques sont des macules non inflammatoires qui surviennent \u00e0 la suite de la lib\u00e9ration des cellules sanguines du lit vasculaire dans les tissus environnants lors d\u2019une rupture m\u00e9canique de la paroi vasculaire (blessures, morsures) ou d\u2019une augmentation de sa perm\u00e9abilit\u00e9 (vascularites, maladies du sang).<\/p>\n<p class=\"wp-block-paragraph\">Selon la taille, on distingue les \u00e9l\u00e9ments suivants\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>p\u00e9t\u00e9chies<\/strong>\u00a0\u2013 jusqu\u2019\u00e0 2\u00a0mm\u00a0;<\/li>\n<li><strong>purpuras<\/strong> \u2013 de 2\u00a0mm \u00e0 1\u00a0cm\u00a0;<\/li>\n<li><strong>ecchymoses<\/strong> \u2013 plus de 1 cm.<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">Les \u00e9panchements importants de sang dans les tissus sont appel\u00e9s <strong>h\u00e9matomes<\/strong>.<\/p>\n<p class=\"wp-block-paragraph\">Ces macules ne disparaissent pas \u00e0 la pression. Au cours de la cicatrisation, elles peuvent changer de couleur, passant du rouge vif au jaune ou au vert.<\/p>\n<figure class=\"wp-block-video\" id=\"animation-3d-macule-vasculaire-hemorragique\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/3-Vascular%20hemorrhagic%20spot_horizont_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 macule vasculaire h\u00e9morragique<\/figcaption><\/figure>\n<h3 id=\"macule-hyperpigmentee\" class=\"wp-block-heading\"><strong>Macule hyperpigment\u00e9e<\/strong><\/h3>\n<p class=\"wp-block-paragraph\">Les macules non inflammatoires associ\u00e9es \u00e0 des d\u00e9p\u00f4ts excessifs de m\u00e9lanine sont appel\u00e9es hyperpigment\u00e9es.<\/p>\n<p class=\"wp-block-paragraph\">Selon leur origine, elles se divisent en\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>cong\u00e9nitales (n\u00e6vus)\u00a0;<\/li>\n<li>acquises (chloasma, taches de rousseur, lentigos)\u00a0;<\/li>\n<li>li\u00e9es \u00e0 la prise de m\u00e9dicaments (m\u00e9lanodermie toxique)\u00a0;<\/li>\n<li>artificielles (tatouages, maquillage permanent).<\/li>\n<\/ul>\n<figure class=\"wp-block-video\" id=\"animation-3d-macule-hyperpigmentee\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/4-Hyperpigmented%20spot_horizont_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 macule hyperpigment\u00e9e<\/figcaption><\/figure>\n<h3 id=\"macule-hypochromique\" class=\"wp-block-heading\"><strong>Macule hypochromique<\/strong><\/h3>\n<p class=\"wp-block-paragraph\">Les macules non inflammatoires associ\u00e9es \u00e0 une absence partielle ou totale de d\u00e9p\u00f4ts de m\u00e9lanine sont appel\u00e9es hypopigment\u00e9es.<\/p>\n<p class=\"wp-block-paragraph\">L\u2019hypopigmentation cutan\u00e9e peut \u00eatre\u00a0:<\/p>\n<ul class=\"wp-block-list\">\n<li>cong\u00e9nitale totale (albinisme)\u00a0\u00ad;<\/li>\n<li>acquise localis\u00e9e (vitiligo).<\/li>\n<\/ul>\n<figure class=\"wp-block-video\" id=\"animation-3d-macule-vasculaire-hypopigmentee\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/5-Hypopigmented%20spot_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 macule vasculaire hypopigment\u00e9e<\/figcaption><\/figure>\n<h2 id=\"papule-plaque\" class=\"wp-block-heading\">Papule \/ Plaque<\/h2>\n<p class=\"wp-block-paragraph\">La papule est une l\u00e9sion cutan\u00e9e primitive \u00e0 contenu solide, de consistance dense et \u00e9lastique, qui d\u00e9passe de la surface de la peau. Apr\u00e8s leur r\u00e9solution, les papules ne laissent pas de cicatrices, mais peuvent laisser une pigmentation temporaire ou permanente.<\/p>\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/catalog.voka.io\/en\/models\/7db286c9-2c92-4696-b674-d0728758df1f\/aa84b768-8b8e-4880-907f-1fe18463dd42\/7fdff7b1-1420-424e-9ce9-5220c8759cee\/f6f52457-2d60-48bf-9cc5-0df350b42fdb\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mod\u00e8les\u00a03D<\/a> des\u00a0l\u00e9sions primitives \u00e0 contenu solide\u00a0:<\/p>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_6aaca64f3caeb\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/6-Epidermal_papule.webp\" alt=\"Papule \u00e9pidermique\"><span class=\"small-text-article text-main-text-color\">Papule \u00e9pidermique<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/7-Epidermal_dermal%20papule.webp\" alt=\"Papule \u00e9pidermo-dermique\"><span class=\"small-text-article text-main-text-color\">Papule \u00e9pidermo-dermique<\/span><\/div>\n<div class=\"swiper-slide image-carousel-slide\"><img decoding=\"async\" class=\"carousel-image\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/papule-a8.webp\" alt=\"Papule dermique\"><span class=\"small-text-article text-main-text-color\">Papule dermique<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-carousel__controls\">\n<div class=\"swiper-article-carousel__pagination-container swiper-article-carousel__pagination-container-block_6aaca64f3caeb\"><\/div>\n<div class=\"swiper-article-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev carousel-swiper-button-prev swiper__arrow swiper__arrow--prev carousel-swiper-button-prev-block_6aaca64f3caeb\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><button 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23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const imagesCarouselSwiper = new Swiper('.carousel-swiper-block_6aaca64f3caeb', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_6aaca64f3caeb',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_6aaca64f3caeb',\n                prevEl: '.carousel-swiper-button-prev-block_6aaca64f3caeb',\n            },\n        })\n    })\n<\/script><\/p>\n<h3 id=\"classification-des-papules-plaques\" class=\"wp-block-heading\"><strong>Classification des papules \/ plaques<\/strong><\/h3>\n<p class=\"wp-block-paragraph\"><strong>Selon la profondeur de la localisation :<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>\u00e9pidermiques<\/strong>\u00a0: durillon, verrue, molluscum contagiosum, hyperk\u00e9ratose palmaire\u00a0;<\/li>\n<li><strong>\u00e9pidermo-dermiques<\/strong>\u00a0: psoriasis, lichen plan, n\u00e9vrodermite, ecz\u00e9ma, lupus \u00e9ryth\u00e9mateux, dermatite de Duhring, l\u00e8pre\u00a0;<\/li>\n<li><strong>dermiques<\/strong>\u00a0: par exemple, syphilide papulaire (syphilis secondaire).<\/li>\n<\/ul>\n<div class=\"videos-carousel-block\">\n<div class=\"swiper video-carousel-swiper video-carousel-swiper-block_6aaca64f3d020\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide\"><video controls class=\"carousel-video\"><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/6_Epidermal_papule_horizont_watermark.webm\" type=\"video\/webm\"><\/source><\/video><span class=\"small-text-article text-main-text-color\">Animation 3D \u2013 papule \u00e9pidermique<\/span><\/div>\n<div class=\"swiper-slide\"><video controls class=\"carousel-video\"><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/7-Epidermal_dermal_papule_horiz_watermark.webm\" type=\"video\/webm\"><\/source><\/video><span class=\"small-text-article text-main-text-color\">Animation 3D \u2013 papule \u00e9pidermo-dermique<\/span><\/div>\n<div class=\"swiper-slide\"><video controls class=\"carousel-video\"><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/8-Dermal_papule_horizont_watermark_sound.webm\" type=\"video\/webm\"><\/source><\/video><span class=\"small-text-article text-main-text-color\">Animation 3D \u2013 papule dermique <\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"swiper-article-video-carousel__controls\">\n<div class=\"swiper-article-video-carousel__pagination-container swiper-article-video-carousel__pagination-container-block_6aaca64f3d020\"><\/div>\n<div class=\"swiper-article-video-carousel__arrows\"><button class=\"swiper__arrow swiper__arrow--prev video-carousel-swiper-button-prev swiper__arrow swiper__arrow--prev video-carousel-swiper-button-prev-block_6aaca64f3d020\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><button class=\"swiper__arrow swiper__arrow--next video-carousel-swiper-button-next swiper__arrow swiper__arrow--next video-carousel-swiper-button-next-block_6aaca64f3d020\" tabindex=\"0\" aria-label=\"Next slide\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewbox=\"0 0 40 40\" fill=\"none\"><path d=\"M20 3.75C16.7861 3.75 13.6443 4.70305 10.972 6.48862C8.29969 8.27419 6.21689 10.8121 4.98696 13.7814C3.75704 16.7507 3.43524 20.018 4.06225 23.1702C4.68926 26.3224 6.23692 29.2179 8.50952 31.4905C10.7821 33.7631 13.6776 35.3107 16.8298 35.9378C19.982 36.5648 23.2493 36.243 26.2186 35.013C29.1879 33.7831 31.7258 31.7003 33.5114 29.028C35.297 26.3557 36.25 23.2139 36.25 20C36.2455 15.6916 34.5319 11.561 31.4855 8.51454C28.439 5.46806 24.3084 3.75455 20 3.75ZM23.3844 25.3656C23.5005 25.4818 23.5926 25.6196 23.6555 25.7714C23.7184 25.9231 23.7507 26.0858 23.7507 26.25C23.7507 26.4142 23.7184 26.5769 23.6555 26.7286C23.5926 26.8804 23.5005 27.0182 23.3844 27.1344C23.2682 27.2505 23.1304 27.3426 22.9786 27.4055C22.8269 27.4683 22.6643 27.5007 22.5 27.5007C22.3358 27.5007 22.1731 27.4683 22.0214 27.4055C21.8696 27.3426 21.7318 27.2505 21.6156 27.1344L15.3656 20.8844C15.2494 20.7683 15.1572 20.6304 15.0943 20.4787C15.0314 20.3269 14.999 20.1643 14.999 20C14.999 19.8357 15.0314 19.6731 15.0943 19.5213C15.1572 19.3696 15.2494 19.2317 15.3656 19.1156L21.6156 12.8656C21.7318 12.7495 21.8696 12.6574 22.0214 12.5945C22.1731 12.5317 22.3358 12.4993 22.5 12.4993C22.6643 12.4993 22.8269 12.5317 22.9786 12.5945C23.1304 12.6574 23.2682 12.7495 23.3844 12.8656C23.5005 12.9818 23.5926 13.1196 23.6555 13.2714C23.7184 13.4231 23.7507 13.5858 23.7507 13.75C23.7507 13.9142 23.7184 14.0769 23.6555 14.2286C23.5926 14.3804 23.5005 14.5182 23.3844 14.6344L18.0172 20L23.3844 25.3656Z\" fill=\"#B5C0CD\"><\/path><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<p><script defer>\n    document.addEventListener('DOMContentLoaded', function() {\n        const videosCarouselSwiper = new Swiper('.video-carousel-swiper-block_6aaca64f3d020', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-video-carousel__pagination-container-block_6aaca64f3d020',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.video-carousel-swiper-button-next-block_6aaca64f3d020',\n                prevEl: '.video-carousel-swiper-button-prev-block_6aaca64f3d020',\n            },\n            on: {\n                slideChangeTransitionStart: function () {\n                    const videos = this.el.querySelectorAll('video');\n                    videos.forEach(video => {\n                        if (!video.paused) {\n                            video.pause();\n                            video.currentTime = 0;\n                        }\n                    });\n                },\n            }\n        })\n    })\n<\/script><\/p>\n<p class=\"wp-block-paragraph\"><strong> Selon la taille:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>papule<\/strong> (<em>jusqu\u2019\u00e0 1 cm de diam\u00e8tre<\/em>) ;<\/li>\n<li><strong>plaque<\/strong> (<em>plus de 1 cm de diam\u00e8tre<\/em>).<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\"><strong>Selon l\u2019origine :<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Inflammatoires :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>processus prolif\u00e9ratifs dans l\u2019\u00e9piderme<\/strong>\u00a0: acanthose (\u00e9paississement du stratum spinosum, par exemple lors d\u2019un ecz\u00e9ma)\u00a0; hypergranulation (\u00e9paississement de la couche granuleuse, par exemple en cas de lichen plan)\u00a0; hyperk\u00e9ratose (\u00e9paississement de la couche corn\u00e9e, par exemple dans une hyperk\u00e9ratose palmaire)\u00a0;<\/li>\n<li><strong>processus infiltratifs dans le derme<\/strong> (par exemple en cas de syphilis secondaire)\u00a0;<\/li>\n<\/ul>\n<\/li>\n<li><strong>Non inflammatoires :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>processus m\u00e9taboliques<\/strong>\u00a0: accumulation de produits m\u00e9taboliques\u00a0(amylo\u00efde, lipides, mucine, etc.)\u00a0;<\/li>\n<li><strong>processus tumoraux<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\"><strong>Selon la forme :<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>plates<\/strong> (\u00e9pidermiques, \u00e9pidermo-dermiques)\u00a0;<\/li>\n<li><strong>h\u00e9misph\u00e9riques<\/strong> (dermiques)\u00a0;<\/li>\n<li><strong>pointues<\/strong> (folliculaires).<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\"><strong>Selon la couleur :<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><strong>couleur de la peau normale<\/strong> (ad\u00e9nome des glandes s\u00e9bac\u00e9es, molluscum contagiosum)\u00a0;<\/li>\n<li><strong>violettes<\/strong> (lichen plan)\u00a0;\u200f<\/li>\n<li><strong>rouge\u00e2tres<\/strong> (psoriasis, exanth\u00e8me, syphilis secondaire, prurigo aigu)\u00a0;<\/li>\n<li><strong>brunes<\/strong> (urticaire pigmentaire, histiocytose)\u00a0;<\/li>\n<li><strong>bleut\u00e9es<\/strong> (n\u00e6vus bleu, maladie de Fabry)\u00a0;<\/li>\n<li><strong>jaunes<\/strong> (xanthomes, histiocytose, dermatose granulomateuse)\u00a0;<\/li>\n<li><strong>noires<\/strong> (certains types de n\u00e6vus, sarcome de Kaposi).<\/li>\n<\/ul>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Retrouvez d\u2019autres contenus scientifiquement exacts sur nos m\u00e9dias sociaux<\/p>\n<p><span class=\"social-banner-text text-grey\">Abonnez-vous et ne manquez pas les derni\u00e8res ressources<\/span><\/p>\n<div class=\"banner-icons-wrapper\"><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"\" data-link=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 id=\"nodule\" class=\"wp-block-heading\">Nodule<\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Renders\/nodule-a9-1.webp\" alt=\"Nodule en cas de lipome\"><figcaption class=\"wp-element-caption\">Nodule en cas de lipome\u00a0\u2013 <a href=\"https:\/\/catalog.voka.io\/en\/models\/7db286c9-2c92-4696-b674-d0728758df1f\/aa84b768-8b8e-4880-907f-1fe18463dd42\/6755a278-81d3-4fe9-8238-a96d543663af\/80d097cb-04ca-4719-834a-69e644b85baf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mod\u00e8le\u00a03D<\/a><\/figcaption><\/figure>\n<p class=\"wp-block-paragraph\">Le nodule est une l\u00e9sion cutan\u00e9e primitive \u00e0 contenu solide, g\u00e9n\u00e9ralement arrondie, d\u2019un diam\u00e8tre sup\u00e9rieur \u00e0 1\u00a0cm, caract\u00e9ris\u00e9e par une profondeur d\u2019implantation variable (le plus souvent dans les couches profondes). \u00c0 la palpation, le nodule est plus ferme que la papule. Il peut s\u2019ulc\u00e9rer, laissant une cicatrice.<\/p>\n<p class=\"wp-block-paragraph\">Le nodule est le plus souvent associ\u00e9 \u00e0 un lipome, mais peut \u00e9galement \u00eatre observ\u00e9 dans les cas suivants\u00a0: syphilis tertiaire, tuberculose, l\u00e8pre, leishmaniose cutan\u00e9e, \u00e9ryth\u00e8me noueux, n\u00e6vus intradermiques et kystes.<\/p>\n<figure class=\"wp-block-video\" id=\"animation-3d-nodule-en-cas-de-lipome\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/%20Dermatology\/Amorphous%20primary%20morphological%20elements%20of%20the%20skin\/Video\/lipoma-nodule.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Animation 3D \u2013 nodule en cas de lipome<\/figcaption><\/figure>\n<p class=\"wp-block-paragraph\">Classification des nodules selon la profondeur :<\/p>\n<ul class=\"wp-block-list\">\n<li>dermo-\u00e9pidermiques\u00a0;<\/li>\n<li>dermiques\u00a0;<\/li>\n<li>dermo-hypodermiques\u00a0;<\/li>\n<li>hypodermiques.<\/li>\n<\/ul>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. Qu\u2019est-ce qu\u2019on entend par l\u00e9sions cutan\u00e9es primitives \u00e0 contenu solide\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Il s\u2019agit des manifestations primaires des maladies cutan\u00e9es qui apparaissent sur une peau et des muqueuses intactes sans formation de cavit\u00e9s. Elles se pr\u00e9sentent comme des masses fermes ou des modifications de la coloration de la peau.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Pourquoi les macules h\u00e9morragiques ne disparaissent-elles pas \u00e0 la pression\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Elles sont li\u00e9es \u00e0 la sortie du sang hors des vaisseaux vers les tissus, c\u2019est pourquoi elles ne s\u2019effacent pas \u00e0 la diascopie et conservent leur couleur. Exemples\u00a0: p\u00e9t\u00e9chies, purpuras, ecchymoses.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. Quelle est la diff\u00e9rence entre une macule et un patch\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">La <em>macule<\/em> est une tache d\u2019un diam\u00e8tre allant jusqu\u2019\u00e0 1\u00a0cm, tandis que le <em>patch<\/em> mesure plus de 1\u00a0cm. Cette distinction est conventionnelle et sert \u00e0 pr\u00e9ciser la taille de la l\u00e9sion.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. Quelle est la diff\u00e9rence entre une papule et un nodule\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">La papule (<em>papula<\/em>) est une l\u00e9sion superficielle ne d\u00e9passant pas 1\u00a0cm de diam\u00e8tre. Le nodule (<em>nodus<\/em>) est une l\u00e9sion profonde et ferme, de plus de 1\u00a0cm de diam\u00e8tre, qui peut si\u00e9ger dans le derme ou le tissu sous-cutan\u00e9 et laisse souvent une cicatrice apr\u00e8s ulc\u00e9ration.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">5. Un nodule peut-il \u00eatre b\u00e9nin\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Oui, par exemple, en cas de lipome ou de n\u00e6vus intradermique, le nodule peut \u00eatre b\u00e9nin et ne pas provoquer d\u2019inflammation.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">6. Pourquoi est-il important de distinguer les types de l\u00e9sions primitives\u00a0?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Le type de l\u00e9sion primitive aide le m\u00e9decin \u00e0 \u00e9tablir un diagnostic pr\u00e9liminaire, \u00e0 \u00e9valuer la nature du processus (inflammatoire, tumoral, vasculaire) et \u00e0 choisir la strat\u00e9gie th\u00e9rapeutique appropri\u00e9e.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"references\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">R\u00e9f\u00e9rences<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>VOKA 3D Anatomy & Pathology \u2013 Atlas 3D complet d\u2019anatomie et de pathologie [Internet]. VOKA 3D Anatomy & Pathology (VOKA 3D Anatomie et Pathologie). <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible depuis\u00a0: https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Carter KF, Dufour LT, Ballard CN. Identifying primary skin lesions [Identification des l\u00e9sions cutan\u00e9es primitives]. Nursing. 2003 Dec;33(12):68-69. <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Burgin S. An approach to primary lesions [Approche des l\u00e9sions primitives]. In: Burgin S, ed. Guidebook to dermatologic diagnosis [Guide de diagnostic dermatologique]. McGraw-Hill Education; 2021. Consult\u00e9 le\u00a01er\u00a0avril 2025. <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Mowlabaccus WB. Common benign skin lesions [L\u00e9sions cutan\u00e9es b\u00e9nignes courantes] [Internet]. DermNet; 2020. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Disponible depuis\u00a0: https:\/\/dermnetnz.org <\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Soutor C, Hordinsky MK, eds. Clinical dermatology: diagnosis and management of common disorders [Dermatologie clinique\u00a0: diagnostic et prise en charge des affections courantes]. 2\u00e8me \u00e9d. McGraw-Hill Education; 2022. <\/cite><\/p>\n<\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Hunter JAA, Savin J, Dahl MV. Clinical dermatology [Dermatologie clinique]. 3rd ed.<\/cite><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les l\u00e9sions primitives sont des alt\u00e9rations de la peau et des muqueuses qui surviennent \u00e0 la suite de divers processus pathologiques dans la peau et les muqueuses intactes. On distingue 5 types de l\u00e9sions primitives \u00e0 contenu solide : Mod\u00e8les\u00a03D des\u00a0l\u00e9sions primitives \u00e0 contenu solide\u00a0: Macule \/ Patch La macule est une l\u00e9sion primitive \u00e0 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"template":"","diseases_category":[237],"class_list":["post-655","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-dermatologiques"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u00e9sions cutan\u00e9es primitives \u00e0 contenu solide : classification et manifestations cliniques<\/title>\n<meta name=\"description\" content=\"Les l\u00e9sions primitives sont des modifications de la peau et des muqueuses r\u00e9sultant de processus pathologiques. 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