{"id":8154,"date":"2020-04-27T09:38:42","date_gmt":"2020-04-27T12:38:42","guid":{"rendered":"https:\/\/doctorhoogstra.com\/es\/patologia-del-fibrosarcoma\/"},"modified":"2020-04-30T21:08:56","modified_gmt":"2020-05-01T00:08:56","slug":"fibrosarcome-pathologie","status":"publish","type":"wiki","link":"https:\/\/doctorhoogstra.com\/fr\/wiki\/patologia-del-fibrosarcoma\/","title":{"rendered":"Pathologie du fibrosarcome"},"content":{"rendered":"<p><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contenu<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/doctorhoogstra.com\/fr\/wiki\/patologia-del-fibrosarcoma\/#Histologia-de-fibrosarcoma\" >Histologie du fibrosarcome<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/doctorhoogstra.com\/fr\/wiki\/patologia-del-fibrosarcoma\/#Patologia-del-fibrosarcoma\" >Pathologie du fibrosarcome<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/doctorhoogstra.com\/fr\/wiki\/patologia-del-fibrosarcoma\/#Estudios-especiales-para-fibrosarcoma\" >\u00c9tudes sp\u00e9ciales sur le fibrosarcome<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/doctorhoogstra.com\/fr\/wiki\/patologia-del-fibrosarcoma\/#Diagnostico-diferencial-de-fibrosarcoma\" >Diagnostic diff\u00e9rentiel du fibrosarcome<\/a><\/li><\/ul><\/nav><\/div>\n\n<section class=\"textBlock\">\n<p>Le fibrosarcome a \u00e9t\u00e9 diagnostiqu\u00e9 beaucoup plus fr\u00e9quemment avant l&#039;arriv\u00e9e des \u00e9tudes immunohistochimiques. On pense qu&#039;il repr\u00e9sente actuellement moins de 1% de tous les adultes. <span class=\"term\" data-term-id=\"1666\">sarcomes<\/span>. Ces tumeurs peuvent survenir <span class=\"term\" data-term-id=\"746\">de novo<\/span> ou dans un autre <span class=\"term\" data-term-id=\"1665\">sarcome<\/span>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Histologia-de-fibrosarcoma\"><\/span>\n<span class=\"term\" data-term-id=\"128\">Histologie<\/span> fibrosarcome<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Dans le fibrosarcome, les sections montrent une <span class=\"term\" data-term-id=\"52\">dermique<\/span> (figure 1) ou <span class=\"term\" data-term-id=\"900\">sous-cutan\u00e9e<\/span> <span class=\"term\" data-term-id=\"1659\">cellule de broche<\/span> <span class=\"term\" data-term-id=\"289\">tumeur<\/span>. La tumeur peut survenir de novo ou en association avec un autre sarcome. La figure 2 montre un fibrosarcome (\u00e0 gauche) qui appara\u00eet dans un dermatofibrosarcome en saillie (\u00e0 droite) avec des fl\u00e8ches qui d\u00e9limitent la marge.<\/p>\n<p>La tumeur est constitu\u00e9e de cellules fusiformes relativement uniformes qui sont profond\u00e9ment <span class=\"term\" data-term-id=\"446\">basophile<\/span> (Figures 2-4). De mani\u00e8re caract\u00e9ristique, le <span class=\"term\" data-term-id=\"176\">le mal<\/span> les cellules sont dispos\u00e9es en &quot;chevrons&quot; (mieux visible sur la figure 3). <span class=\"term\" data-term-id=\"1535\">Mitose<\/span> ils sont g\u00e9n\u00e9ralement faciles \u00e0 trouver (figure 4).<\/p>\n<p>Il existe deux variantes diff\u00e9rentes: la variante infantile et la variante scl\u00e9rosante. <span class=\"term\" data-term-id=\"1667\">\u00e9pith\u00e9lio\u00efde<\/span> une variante. Heureusement, ces variantes sont extr\u00eamement rares sur la peau.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h5 class=\"colour--primary\"><span class=\"ez-toc-section\" id=\"Patologia-del-fibrosarcoma\"><\/span>Pathologie du fibrosarcome<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img alt='fibrosarcome-figure-1__protectwyjqcm90zwn0il0_focusfillwzi5ncwymjisingildu5xq-9464152-3970726' src='https:\/\/doctorhoogstra.com\/wp-content\/uploads\/2020\/04\/fibrosarcoma-figure-1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDU5XQ-9464152.jpg'>\n<\/div>\n<p class=\"p-small\">Figure 1<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img alt='fibrosarcome-figure-2__protectwyjqcm90zwn0il0_focusfillwzi5ncwymjisingildfd-3018399-2107441' src='https:\/\/doctorhoogstra.com\/wp-content\/uploads\/2020\/04\/fibrosarcoma-figure-2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd-3018399.jpg'>\n<\/div>\n<p class=\"p-small\">Figure 2<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img alt='fibrosarcome-figure-3__protectwyjqcm90zwn0il0_focusfillwzi5ncwymjisingildfd-1399243-8675624' src='https:\/\/doctorhoogstra.com\/wp-content\/uploads\/2020\/04\/fibrosarcoma-figure-3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd-1399243.jpg'>\n<\/div>\n<p class=\"p-small\">figure 3<\/p>\n<div class=\"imageLinkBlock__item__image\">\n<p>                        <img alt='fibrosarcome-figure-4__protectwyjqcm90zwn0il0_focusfillwzi5ncwymjisingildfd-8063490-4433548' src='https:\/\/doctorhoogstra.com\/wp-content\/uploads\/2020\/04\/fibrosarcoma-figure-4__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd-8063490.jpg'>\n<\/div>\n<p class=\"p-small\">Figure 4<\/p>\n<\/p><\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Estudios-especiales-para-fibrosarcoma\"><\/span>\u00c9tudes sp\u00e9ciales sur le fibrosarcome<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Un panel immunohistochimique \u00e9tendu est essentiel pour exclure d&#039;autres tumeurs malignes. La tumeur est n\u00e9gative avec S100 (essentiellement exclusive <span class=\"term\" data-term-id=\"1670\">m\u00e9lanome<\/span>), k\u00e9ratines (sauf <span class=\"term\" data-term-id=\"32\">carcinome<\/span> et <span class=\"term\" data-term-id=\"1240\">synovial<\/span> sarcome), marqueurs des muscles lisses (\u00e0 l&#039;exclusion <span class=\"term\" data-term-id=\"1673\">l\u00e9iomyosarcome<\/span>), CD34 (hors dermatofibrosarcome protuberans).<\/p>\n<div id=\"square-placement-country-holder\" class=\"country-dependent advert\">\n<div class=\"box-placement square-placement\">\n<div class=\"advert__frame\">\n<div id=\"dermnet-dermnet-mobbox\">\n<\/div><\/div><\/div><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Diagnostico-diferencial-de-fibrosarcoma\"><\/span>\n<span class=\"term\" data-term-id=\"813\">Diagnostic diff\u00e9rentiel<\/span> fibrosarcome<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les \u00e9tudes immunohistochimiques sont essentielles pour exclure d&#039;autres sarcomes (voir ci-dessus).<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>El fibrosarcoma se diagnostic\u00f3 con mucha m\u00e1s frecuencia antes de la llegada de los estudios inmunohistoqu\u00edmicos. Actualmente se cree que representa menos del 1% de todos los adultos. sarcomas. Estos&#8230;<\/p>","protected":false},"author":8,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"categories":[204],"tags":[205],"class_list":["post-8154","wiki","type-wiki","status-publish","format-standard","category-glosario-definiciones","tag-patologia"],"_links":{"self":[{"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/wiki\/8154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/types\/wiki"}],"author":[{"embeddable":true,"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/comments?post=8154"}],"version-history":[{"count":0,"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/wiki\/8154\/revisions"}],"wp:attachment":[{"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/media?parent=8154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/categories?post=8154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doctorhoogstra.com\/fr\/wp-json\/wp\/v2\/tags?post=8154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}