{"id":144,"date":"2026-09-24T09:26:33","date_gmt":"2026-09-24T09:26:33","guid":{"rendered":"https:\/\/chronichandeczema.ca\/fr-ca\/?page_id=144"},"modified":"2026-10-03T12:33:03","modified_gmt":"2026-10-03T12:33:03","slug":"diagnosis","status":"publish","type":"page","link":"https:\/\/chronichandeczema.ca\/fr-ca\/diagnosis\/","title":{"rendered":"Diagnostic de l\u2019ecz\u00e9ma chronique des mains"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull has-primary-background-color has-background has-global-padding is-layout-constrained wp-container-core-group-is-layout-22329a8d wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--0);padding-right:var(--wp--preset--spacing--0);padding-bottom:var(--wp--preset--spacing--0);padding-left:var(--wp--preset--spacing--0)\">\n<div class=\"wp-block-cover alignfull is-light is-style-plain vertical-placement-bottom horizontal-alignment-left background-opacity-50\" style=\"--disclaimer--background--color: #171438; --disclaimer--text--color: #ffffff\"><video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted playsinline src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/10\/hand_eczema_cinemagraph_david.mp4\" poster=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/10\/talkche_diagnosis_poster_notype.jpg\" data-object-fit=\"cover\"><\/video><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\"><div class=\"cover-content-wrapper\">\n<figure class=\"wp-block-image alignfull size-full wp-block-hidden-mobile wp-block-hidden-tablet\"><picture><source media=\"(max-width: 782px)\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_3_talkche_diagnosingche_mobile.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" fetchpriority=\"auto\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png\" alt=\"\" class=\"wp-image-145\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png 1920w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=300,169 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=768,432 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=1024,576 1024w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=1536,864 1536w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=1200,675 1200w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_2_diagnosis_letterforms.png?resize=400,225 400w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/source><\/picture><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div><div class=\"caption\">Simulation. &Agrave; titre d&rsquo;illustration seulement.<\/div><\/div>\n\n\n\n<\/div>\n\n\n\n<figure class=\"wp-block-image alignfull size-large\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0)\"><img loading=\"lazy\" decoding=\"async\" height=\"71\" width=\"1024\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?w=1024\" alt=\"\" class=\"wp-image-23\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg 2880w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?resize=300,21 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?resize=768,53 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?resize=1024,71 1024w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?resize=1536,107 1536w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_51_block1-gradient.jpg?resize=2048,142 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group alignfull has-primary-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0)\">\n<h2 class=\"wp-block-heading has-text-align-center has-secondary-color has-text-color has-link-color wp-elements-1\">DIAGNOSTIC DE L\u2019ECM &#8211; LE D\u00c9FI<\/h2>\n\n\n\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\">Les patients atteints d\u2019ecz\u00e9ma chronique des mains (ECM) peuvent pr\u00e9senter <strong>de multiples sous-types<\/strong> ayant chacun des particularit\u00e9s immunitaires uniques<sup>1,2<\/sup><\/p>\n\n\n\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color wp-elements-3 wp-block-paragraph\">L\u2019ECM n\u2019est pas seulement une dermatite atopique (DA) des mains<sup>2<\/sup><\/p>\n\n\n\n<figure data-mobile-lightbox-src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_27_venn-diagram-mobile.png\" class=\"wp-block-image alignwide size-full vertical-placement-below horizontal-alignment-center background-opacity-none\"><picture><source media=\"(max-width: 782px)\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_27_venn-diagram-mobile.png\"><img loading=\"lazy\" decoding=\"async\" width=\"2880\" height=\"1620\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png\" alt=\"\" class=\"wp-image-152\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png 2880w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=300,169 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=768,432 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=1024,576 1024w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=1536,864 1536w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=2048,1152 2048w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=1200,675 1200w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_26_venn-diagram.png?resize=400,225 400w\" sizes=\"auto, (max-width: 2880px) 100vw, 2880px\" \/><\/picture><figcaption class=\"wp-element-caption\"><mark style=\"background-color:#1a1d3c\" class=\"has-inline-color has-white-color\"><sup>a<\/sup>Pourcentages tir\u00e9s d\u2019un registre de patients atteints d\u2019ECM parmi 1 163 patients r\u00e9partis dans 95 centres en Allemagne.<sup>1<\/sup><\/mark><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-secondary-color has-text-color has-link-color wp-elements-4\">SOUS-TYPES D\u2019ECM<\/h2>\n\n\n\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color wp-elements-5 wp-block-paragraph\">L\u2019ecz\u00e9ma chronique des mains est souvent multifactoriel et la relation entre les sch\u00e9mas cliniques et les diagnostics \u00e9tiologiques n\u2019est pas simple.<br>Il peut exister des formes mixtes de sous-types dans lesquelles plus d\u2019un sous-type \u00e9tiologique et morphologique est pr\u00e9sent. De plus, il n\u2019existe pas de corr\u00e9lation fiable entre la morphologie et l\u2019\u00e9tiologie; l\u2019\u00e9tiologie ne peut pas \u00eatre diagnostiqu\u00e9e seulement en fonction de l\u2019apparence des mains<sup>4,5<\/sup><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-white-color has-primary-background-color has-text-color has-background has-link-color wp-elements-6 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0);padding-top:var(--wp--preset--spacing--0);padding-bottom:var(--wp--preset--spacing--0)\">\n<div class=\"wp-block-cover alignfull has-custom-content-position is-position-center-right is-style-plain\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0);min-height:80vh;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"412\" class=\"wp-block-cover__image-background wp-image-168 size-full\" alt=\"\" src=\"https:\/\/chronichandeczema.ca\/en-ca\/wp-content\/uploads\/sites\/48\/2026\/09\/imgi_18_straighttalk_che_icons_bg.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_18_straighttalk_che_icons_bg.jpg 1440w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_18_straighttalk_che_icons_bg.jpg?resize=300,86 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_18_straighttalk_che_icons_bg.jpg?resize=768,220 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/imgi_18_straighttalk_che_icons_bg.jpg?resize=1024,293 1024w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#1b1d3e\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\"><div class=\"cover-content-wrapper\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-b68c6776 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-left:var(--wp--preset--spacing--lg);flex-basis:50%\">\n<p class=\"wp-block-paragraph\"><strong><strong>LES SOUS-TYPES &Eacute;TIOLOGIQUES INCLUENT<sup>4<\/sup><\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-7 wp-block-paragraph\"><strong>DERMATITE DUE &Agrave; DES PRODUITS IRRITANTS<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exposition prolong&eacute;e et r&eacute;p&eacute;t&eacute;e &agrave; des irritants (par ex. des d&eacute;tergents)<\/li>\n\n\n\n<li>Aucun allerg&egrave;ne de contact pertinent n&rsquo;a &eacute;t&eacute; identifi&eacute;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-8 wp-block-paragraph\"><strong>DERMATITE ATOPIQUE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G&eacute;n&eacute;ralement, des ant&eacute;c&eacute;dents m&eacute;dicaux de dermatite atopique<\/li>\n\n\n\n<li>Pr&eacute;dispose les patients &agrave; d&eacute;velopper une dermatite due &agrave; des produits irritants<\/li>\n\n\n\n<li>Peut pr&eacute;senter une dermatite atopique ailleurs<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-9 wp-block-paragraph\"><strong>DERMATITE DE CONTACT ALLERGIQUE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ecz&eacute;ma des mains caus&eacute; par des allerg&egrave;nes de contact pertinentsa (par ex. m&eacute;taux, parfums)<\/li>\n\n\n\n<li>Identifi&eacute; par un test &eacute;picutan&eacute; positif<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-10 wp-block-paragraph\"><strong>DERMATITE DE CONTACT PROT&Eacute;INIQUE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ecz&eacute;ma des mains de patients expos&eacute;s de mani&egrave;re chronique aux prot&eacute;inesb (par ex. latex, poils d&rsquo;animaux)<\/li>\n\n\n\n<li>Identifi&eacute; par un test &eacute;picutan&eacute; positif<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-left:var(--wp--preset--spacing--lg);flex-basis:50%\">\n<p class=\"wp-block-paragraph\"><strong><strong>LES SOUS-TYPES MORPHOLOGIQUES INCLUENT<sup>4<\/sup><\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-11 wp-block-paragraph\"><strong>ECZ&Eacute;MA DES MAINS HYPERK&Eacute;RATOSIQUE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typiquement palmaire<\/li>\n\n\n\n<li>Plus fr&eacute;quent chez les hommes<\/li>\n\n\n\n<li>Associ&eacute; au tabagisme<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-12 wp-block-paragraph\"><strong>ECZ&Eacute;MA V&Eacute;SICULAIRE DES MAINS AIGU ET R&Eacute;CURRENT<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typiquement, palmaire\/doigts<\/li>\n\n\n\n<li>Prurit intense<\/li>\n\n\n\n<li>Associ&eacute; &agrave; diff&eacute;rentes &eacute;tiologies<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-13 wp-block-paragraph\"><strong>ECZ&Eacute;MA NUMMULAIRE DES MAINS<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typiquement au dos des mains<\/li>\n\n\n\n<li>L&eacute;sions en forme de pi&egrave;ce de monnaie<\/li>\n\n\n\n<li>Souvent associ&eacute; &agrave; une dermatite allergique<\/li>\n<\/ul>\n\n\n\n<p class=\"has-secondary-color has-text-color has-link-color wp-elements-14 wp-block-paragraph\"><strong>PULPITE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Constat&eacute;e au bout des doigts<\/li>\n\n\n\n<li>Souvent caus&eacute;e par des irritants, mais peut &ecirc;tre li&eacute;e &agrave; la dermatite atopique ou &agrave; la dermatite de contact allergique<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-white-color has-primary-background-color has-text-color has-background has-link-color wp-elements-15 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0)\">\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><small><sup>a<\/sup>Pertinent signifie une exposition actuelle des mains \u00e0 l\u2019allerg\u00e8ne, baux aliments, au latex et \u00e0 toute autre mati\u00e8re biologique.<sup>4<\/sup><\/small><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Pertinent signifie une exposition actuelle des mains \u00e0 l\u2019allerg\u00e8ne, baux aliments, au latex et \u00e0 toute autre mati\u00e8re biologique.<strong><sup>6<\/sup><\/strong><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-secondary-color has-text-color has-link-color wp-elements-16\">PHYSIOPATHOLOGIE DE L\u2019ECM<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover alignfull is-style-plain\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0);min-height:356px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"412\" class=\"wp-block-cover__image-background wp-image-410 size-large\" alt=\"\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/straighttalk_che_icons_bg.jpg?w=1024\" data-object-fit=\"cover\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/straighttalk_che_icons_bg.jpg 1440w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/straighttalk_che_icons_bg.jpg?resize=300,86 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/straighttalk_che_icons_bg.jpg?resize=768,220 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/straighttalk_che_icons_bg.jpg?resize=1024,293 1024w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#1c1d3e\"><\/span><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\"><div class=\"cover-content-wrapper\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-b68c6776 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-b68c6776 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"546\" height=\"549\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-1.png?w=546\" alt=\"\" class=\"wp-image-412\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-1.png 546w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-1.png?resize=150,150 150w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-1.png?resize=298,300 298w\" sizes=\"auto, (max-width: 546px) 100vw, 546px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">L&rsquo;ecz&eacute;ma chronique des mains est associ&eacute; &agrave; un dysfonctionnement des r&eacute;ponses inflammatoires, &agrave; une perturbation de la barri&egrave;re cutan&eacute;e et &agrave; des alt&eacute;rations du microbiome cutan&eacute;.<sup>7<\/sup><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-b68c6776 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"536\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-2.png?w=532\" alt=\"\" class=\"wp-image-411\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-2.png 532w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-2.png?resize=150,150 150w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/mod-2.png?resize=298,300 298w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Sa pathog&eacute;n&egrave;se est encore plus compliqu&eacute;e en raison du potentiel de chevauchement des voies immunitaires, guid&eacute; par la signalisation JAK-STAT.<sup>2,7<\/sup><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n\n\n<figure class=\"wp-block-image alignfull size-large\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0)\"><img loading=\"lazy\" decoding=\"async\" height=\"667\" width=\"1024\" src=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png?w=1024\" alt=\"\" class=\"wp-image-413\" srcset=\"https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png 2048w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png?resize=300,195 300w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png?resize=768,500 768w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png?resize=1024,667 1024w, https:\/\/chronichandeczema.ca\/fr-ca\/wp-content\/uploads\/sites\/49\/2026\/09\/enough-is-enough.png?resize=1536,1001 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group alignfull has-white-color has-primary-background-color has-text-color has-background has-link-color wp-elements-17 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--0);margin-bottom:var(--wp--preset--spacing--0);padding-top:var(--wp--preset--spacing--xxxxl);padding-bottom:var(--wp--preset--spacing--xxxxl)\">\n<p class=\"is-style-footnote wp-block-paragraph\">ECM = ecz\u00e9ma chronique des mains; JAK-STAT = transducteur de signal et activateur de transcription de la Janus kinase.<\/p>\n\n\n\n<div style=\"height:84px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"is-style-footnote wp-block-paragraph\"><strong>References:<\/strong> <strong>1.<\/strong>&nbsp;Apfelbacher C, et al. <em>Acta Derm Venereol<\/em>. 2014;94(2):163-167. doi:10.2340\/00015555-1632 <strong>2.<\/strong>&nbsp;Dubin C, et al. <em>Ther Clin Risk Manag<\/em>. 2020;16:1319-1332. doi:10.2147\/TCRM.S292504 <strong>3.<\/strong>&nbsp;Diepgen TL, et al. <em>J Dtsch Dermatol Ges<\/em>. 2009;7(suppl 3):S1-S16. doi:10.1111\/j.1610-0387.2009.07061.x <strong>4.<\/strong>&nbsp;Thyssen JP, et al. <em>Contact Dermatitis<\/em>. 2022;86(5):357-378. doi:10.1111\/cod.14035 <strong>5.<\/strong>&nbsp;Tauber M, et al. <em>J Eur Acad Dermatol Venereol<\/em>. 2024;38(6):997-998. doi:10.1111\/jdv.20023 <strong>6.<\/strong>&nbsp;Agner T, et al. <em>J Eur Acad Dermatol Venereol<\/em>. 2015;29(12):2417-2422. doi:10.1111\/jdv.13308 <strong>7.<\/strong>&nbsp;Lee GR, et al. <em>Dermatol Ther<\/em>. 2019;32(3):e12840. doi:10.1111\/dth.12840<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DIAGNOSTIC DE L\u2019ECM &#8211; LE D\u00c9FI Les patients atteints d\u2019ecz\u00e9ma chronique des mains (ECM) peuvent pr\u00e9senter de multiples sous-types ayant chacun des particularit\u00e9s immunitaires uniques1,2 L\u2019ECM n\u2019est pas seulement une dermatite atopique (DA) des mains2 SOUS-TYPES D\u2019ECM L\u2019ecz\u00e9ma chronique des mains est souvent multifactoriel et la relation entre les sch\u00e9mas cliniques et les diagnostics \u00e9tiologiques [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-no-title","meta":{"_user_content_segmentation__post_segment_selection":[],"_trash_the_other_posts":false,"style_variation":"che-dark","breadcrumbs_enabled":false,"editor_notices":[],"leo_pharma_teaser_title":"","footnotes":""},"content_tag":[],"class_list":["post-144","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diagnostic de l\u2019ecz\u00e9ma chronique des mains | Hand Eczema<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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