{"id":1896,"date":"2025-12-11T15:06:06","date_gmt":"2025-12-11T12:06:06","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/diseases\/uncategorized\/lampada-de-wood\/"},"modified":"2025-12-11T15:06:03","modified_gmt":"2025-12-11T12:06:03","slug":"exame-lampada-de-wood","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/dermatologicas\/exame-lampada-de-wood\/","title":{"rendered":"Diagn\u00f3stico da pele com luz ultravioleta de l\u00e2mpada de Wood: princ\u00edpio, indica\u00e7\u00f5es e aplica\u00e7\u00e3o"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p>A l\u00e2mpada de Wood (Wood\u2019s lamp) \u00e9 um dispositivo especializado para o diagn\u00f3stico n\u00e3o invasivo de doen\u00e7as cut\u00e2neas, amplamente utilizado para avaliar o estado da pele e do cabelo. O aparelho foi inventado em 1903 pelo f\u00edsico Robert Wood, e a sua primeira aplica\u00e7\u00e3o documentada em dermatologia ocorreu em 1925, quando foi recomendado para a dete\u00e7\u00e3o de doen\u00e7as f\u00fangicas. <\/p>\n<figure class=\"wp-block-video\" id=\"animacao-3d-diagnostico-da-pele-com-luz-ultravioleta-de-lampada-de-wood\"><video controls><source data-src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dermatology\/woods-lamp-examination\/woods-lamp-examination.webm\" type=\"video\/webm\"><\/source><\/video><figcaption class=\"wp-element-caption\">Anima\u00e7\u00e3o 3D \u2014 diagn\u00f3stico da pele com luz ultravioleta de l\u00e2mpada de Wood<\/figcaption><\/figure>\n<p>Inicialmente, a l\u00e2mpada era um dispositivo com um filtro especial que bloqueava a luz vis\u00edvel e deixava passar apenas a radia\u00e7\u00e3o ultravioleta de onda longa (UV-A). Os modelos modernos utilizam tecnologia LED com um comprimento de onda de 365 nm, o que proporciona uma densidade de pot\u00eancia muito mais elevada.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dermatology\/woods-lamp-examination\/example-of-modern-woods-lamp.webp\" alt=\"Exemplo de uma l\u00e2mpada de Wood moderna \"><figcaption class=\"wp-element-caption\">Exemplo de uma l\u00e2mpada de Wood moderna<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"como-funciona-a-lampada-de-wood\">Como funciona a l\u00e2mpada de Wood<\/h2>\n<p>Em algumas doen\u00e7as da pele, a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ultravioleta revela propriedades fluorescentes da pele, um processo f\u00edsico no qual determinadas subst\u00e2ncias (end\u00f3genas e ex\u00f3genas) absorvem os raios UV-A e emitem luz de comprimento de onda maior. Em v\u00e1rios microrganismos, essa rea\u00e7\u00e3o \u00e9 especialmente pronunciada. Dependendo da colora\u00e7\u00e3o espec\u00edfica na fluoresc\u00eancia, o especialista pode formular uma conclus\u00e3o preliminar sobre a natureza da les\u00e3o, dimens\u00f5es reais e caracter\u00edsticas da doen\u00e7a.<\/p>\n<h2 class=\"wp-block-heading\" id=\"indicacoes-e-coloracao-da-fluorescencia\">Indica\u00e7\u00f5es e colora\u00e7\u00e3o da fluoresc\u00eancia<\/h2>\n<p>A l\u00e2mpada de Wood \u00e9 utilizada em dermatologia para identificar diferentes patologias atrav\u00e9s da fluoresc\u00eancia caracter\u00edstica das les\u00f5es de pele.<\/p>\n<figure class=\"wp-block-table table-to-cards\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Les\u00f5es<\/strong><\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Pat\u00f3geno\/Condi\u00e7\u00e3o<\/strong><\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Fluoresc\u00eancia espec\u00edfica<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Pitir\u00edase versicolor<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Pityriasis versicolor<\/em> (micose)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Amarelada ou esverdeada<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Microsporia, dermatofitoses<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Infec\u00e7\u00f5es f\u00fangicas<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Azul esverdeado\/azulado<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Eritrasma<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Corynebacterium minutissimum<\/em> (bact\u00e9ria)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Coral-vermelho\/vermelho-alaranjado<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Infec\u00e7\u00e3o causada por Pseudomonas<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Pseudomonas aeruginosa<\/em> (bact\u00e9ria)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Avermelhado<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Acne<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Cutibacterium acnes<\/em> (bact\u00e9ria)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Vermelho-alaranjado (nos fol\u00edculos seb\u00e1ceos e pilosos)<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Vitiligo<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Dist\u00farbio da pigmenta\u00e7\u00e3o<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Luz branca e azul<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><strong>Porfirias<\/strong><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Ac\u00famulo de porfirinas<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">Rosa-avermelhado (sangue, urina, esmalte)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3 class=\"wp-block-heading\" id=\"infeccoes-fungicas\"><strong>Infec\u00e7\u00f5es f\u00fangicas<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Pitir\u00edase versicolor<\/strong>: produz fluoresc\u00eancia amarelo-esverdeada intensa.<\/li>\n<li><strong>Microsporia<\/strong> e outras dermatofitoses: por vezes, podem causar uma fluoresc\u00eancia azulada-esverdeada ou azulada.<\/li>\n<\/ul>\n<div class=\"carousel-block\">\n<div class=\"swiper carousel-swiper carousel-swiper-block_69ef4a47e63fb\">\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\/en\/dermatology\/woods-lamp-examination\/focus-of-microsporia-under-normal-lighting.webp\" alt=\"Foco de microsporia sob ilumina\u00e7\u00e3o natural\"><span class=\"small-text-article text-main-text-color\">Foco de microsporia sob ilumina\u00e7\u00e3o natural<\/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\/en\/dermatology\/woods-lamp-examination\/focus-of-microsporia-under-woods-lamp-lighting.webp\" alt=\"Foco de microsporia sob a luz emitida pela l\u00e2mpada de Wood\"><span class=\"small-text-article text-main-text-color\">Foco de microsporia sob a luz emitida pela l\u00e2mpada de Wood<\/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\/en\/dermatology\/woods-lamp-examination\/pityriasis-versicolor-under-normal-lighting.webp\" alt=\"Pitir\u00edase versicolor sob a luz vis\u00edvel convencional\"><span class=\"small-text-article text-main-text-color\">Pitir\u00edase versicolor sob a luz vis\u00edvel convencional<\/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\/en\/dermatology\/woods-lamp-examination\/pityriasis-versicolor-under-woods-lamp-lighting.webp\" alt=\"Pitir\u00edase versicolor sob a luz emitida pela l\u00e2mpada de Wood\"><span class=\"small-text-article text-main-text-color\">Pitir\u00edase versicolor sob a luz emitida pela l\u00e2mpada de Wood<\/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_69ef4a47e63fb\"><\/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_69ef4a47e63fb\"><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_69ef4a47e63fb\" 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_69ef4a47e63fb', {\n            slidesPerView: 1,\n            spaceBetween: 20,\n            loop: true,\n            pagination: {\n                el: '.swiper-article-carousel__pagination-container-block_69ef4a47e63fb',\n                clickable: true,\n            },\n            navigation: {\n                nextEl: '.carousel-swiper-button-next-block_69ef4a47e63fb',\n                prevEl: '.carousel-swiper-button-prev-block_69ef4a47e63fb',\n            },\n        })\n    })\n<\/script><\/p>\n<h3 class=\"wp-block-heading\" id=\"infeccoes-bacterianas\"><strong>Infec\u00e7\u00f5es bacterianas<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Eritrasma:<\/strong> caracterizado por uma fluoresc\u00eancia coral-vermelha ou vermelho-alaranjada.<\/li>\n<li><strong>Infec\u00e7\u00e3o causada por Pseudomonas<\/strong> produz uma fluoresc\u00eancia esverdeada.<\/li>\n<li><strong>Acne:<\/strong> manifesta-se como uma fluoresc\u00eancia vermelho-alaranjada nos fol\u00edculos seb\u00e1ceos e pilosos.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"disturbios-da-pigmentacao\"><strong>Dist\u00farbios da pigmenta\u00e7\u00e3o<\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Vitiligo:<\/strong> as \u00e1reas afetadas fluorescem <strong>com uma luz azul-esbranqui\u00e7ada<\/strong> com contornos bem definidos.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dermatology\/woods-lamp-examination\/vitiligo-spots-under-normal-lighting.webp\" alt=\"Manchas de vitiligo sob a luz vis\u00edvel normal\"><figcaption class=\"wp-element-caption\">Manchas de vitiligo sob a luz vis\u00edvel normal<\/figcaption><\/figure>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/dermatology\/woods-lamp-examination\/vitiligo-spots-under-woods-lamp-lighting.webp\" alt=\"Manchas de vitiligo sob a luz emitida pela l\u00e2mpada de Wood\"><figcaption class=\"wp-element-caption\">Manchas de vitiligo sob a luz emitida pela l\u00e2mpada de Wood<\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"recursos-complementares-de-diagnostico\"><strong>Recursos complementares de diagn\u00f3stico <\/strong><\/h3>\n<ol class=\"wp-block-list\">\n<li><strong>Porfirias:<\/strong>o diagn\u00f3stico das porfirias apresenta fluoresc\u00eancia rosa-avermelhada caracter\u00edstica.<\/li>\n<li><strong>Hiperpigmenta\u00e7\u00e3o e hipopigmenta\u00e7\u00e3o<\/strong> (cloasma, melasma): o exame com l\u00e2mpada de Wood ajuda a determinar a profundidade da pigmenta\u00e7\u00e3o.<\/li>\n<li><strong>Diagn\u00f3stico diferencial:<\/strong> leucoderma, melanoderma, altera\u00e7\u00f5es p\u00f3s-inflamat\u00f3rias da pigmenta\u00e7\u00e3o.<\/li>\n<li><strong>Avalia\u00e7\u00e3o da limpeza:<\/strong> detec\u00e7\u00e3o de desequil\u00edbrio da flora cut\u00e2nea e avalia\u00e7\u00e3o da limpeza da pele.<\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\" id=\"metodologia-de-diagnostico\">Metodologia de diagn\u00f3stico<\/h2>\n<p>A t\u00e9cnica \u00e9 n\u00e3o invasiva, r\u00e1pida e n\u00e3o requer prepara\u00e7\u00e3o complexa.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Local:<\/strong> o exame \u00e9 feito numa sala escura, sem nenhuma ilumina\u00e7\u00e3o.<\/li>\n<li><strong>Procedimento:<\/strong> o profissional acende a l\u00e2mpada e examina as \u00e1reas de interesse \u00e0 dist\u00e2ncia de cerca de 20 cm durante alguns minutos.<\/li>\n<li><strong>Avalia\u00e7\u00e3o:<\/strong> s\u00e3o avaliadas as caracter\u00edsticas da fluoresc\u00eancia: intensidade, cor, nitidez dos contornos e outros par\u00e2metros.<\/li>\n<li><strong>Diagn\u00f3stico:<\/strong> com base nos dados obtidos, \u00e9 feito um diagn\u00f3stico preliminar ou definitivo e, se necess\u00e1rio, s\u00e3o prescritos exames complementares.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"preparacao-para-o-exame\"><strong>Prepara\u00e7\u00e3o para o exame <\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Per\u00edodo de 24 horas:<\/strong> nas 24 horas que antecedem o exame, <strong>n\u00e3o limpar<\/strong> e <strong>n\u00e3o usar cremes, pomadas<\/strong> e quaisquer outros produtos terap\u00eauticos ou de cuidado.<\/li>\n<li><strong>Durante 1 a 2 dias antes:<\/strong> n\u00e3o visitar banhos termais, saunas nem sol\u00e1rios.<\/li>\n<\/ul>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Encontra mais conte\u00fados cientificamente exactos nas nossas redes sociais<\/p>\n<p><span class=\"social-banner-text text-grey\">Subscreve e n\u00e3o percas os recursos mais recentes<\/span><\/p>\n<div class=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" 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src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"vantagens-e-limitacoes\"><strong>Vantagens e limita\u00e7\u00f5es<\/strong><\/h2>\n<h3 class=\"wp-block-heading\" id=\"vantagens-do-uso-da-lampada-de-wood\"><strong>Vantagens do uso da l\u00e2mpada de Wood <\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Rapidez:<\/strong> o exame demora apenas alguns minutos.<\/li>\n<li><strong>Seguran\u00e7a:<\/strong> a l\u00e2mpada n\u00e3o emite ondas prejudiciais \u00e0 sa\u00fade.<\/li>\n<li><strong>Conforto:<\/strong> o procedimento \u00e9 totalmente indolor e n\u00e3o causa desconforto.<\/li>\n<li><strong>Disponibilidade:<\/strong> o m\u00e9todo \u00e9 utilizado na maioria dos consult\u00f3rios e cl\u00ednicas dermatol\u00f3gicas.<\/li>\n<li><strong>Visualiza\u00e7\u00e3o:<\/strong> permite identificar processos patol\u00f3gicos que n\u00e3o s\u00e3o vis\u00edveis sob a luz vis\u00edvel normal.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"limitacoes-do-diagnostico\"><strong>Limita\u00e7\u00f5es do diagn\u00f3stico <\/strong><\/h3>\n<ul class=\"wp-block-list\">\n<li><strong>Sensibilidade limitada:<\/strong> nem todas as infec\u00e7\u00f5es f\u00fangicas e bacterianas fluorescem sob luz ultravioleta.<\/li>\n<li><strong>Influ\u00eancia de fatores externos:<\/strong> cosm\u00e9ticos, pomadas e impurezas da pele podem distorcer os resultados.<\/li>\n<li><strong>Necessidade de experi\u00eancia cl\u00ednica:<\/strong> a interpreta\u00e7\u00e3o correta requer um especialista altamente qualificado.<\/li>\n<\/ul>\n<p><strong>Car\u00e1cter auxiliar:<\/strong> o m\u00e9todo \u00e9 auxiliar e n\u00e3o substitui um diagn\u00f3stico laboratorial completo.<\/p>\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. Como \u00e9 que fungo e pitir\u00edase versicolor brilham na luz de Wood?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A pitir\u00edase versicolor (<em>Pityriasis versicolor<\/em>) apresenta uma colora\u00e7\u00e3o amarelo-esverdeada caracter\u00edstica, enquanto outras infec\u00e7\u00f5es f\u00fangicas (micr\u00f3sporia) podem produzir uma colora\u00e7\u00e3o azul-esverdeada ou azulada.<\/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. Para que se utiliza a l\u00e2mpada de Wood na dermatologia?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">\u00c9 utilizada para diagnosticar doen\u00e7as cut\u00e2neas atrav\u00e9s da fluoresc\u00eancia espec\u00edfica de infec\u00e7\u00f5es f\u00fangicas e bacterianas (por exemplo, eritrasma, acne), bem como para determinar a profundidade das altera\u00e7\u00f5es da pigmenta\u00e7\u00e3o da pele (vitiligo, melasma).<\/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. Quais s\u00e3o as regras fundamentais para se preparar para um exame com l\u00e2mpada de Wood? <\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A principal condi\u00e7\u00e3o \u00e9 n\u00e3o utilizar quaisquer produtos de higiene, medicamentos, pomadas ou cosm\u00e9ticos nas 24 horas que antecedem o exame, pois podem distorcer o padr\u00e3o fluorescente.<\/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. A l\u00e2mpada de Wood pode prejudicar a pele ou os olhos? <\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">As l\u00e2mpadas de Wood modernas s\u00e3o consideradas n\u00e3o perigosas. Apenas emitem radia\u00e7\u00e3o UV-A de onda longa, que n\u00e3o causa danos quando utilizada por curtos per\u00edodos, mas durante o exame se recomenda evitar o contacto direto da luz com os olhos.<\/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. A l\u00e2mpada de Wood ajuda a determinar a profundidade da pigmenta\u00e7\u00e3o? <\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Sim. A l\u00e2mpada de Wood permite verificar a profundidade da pigmenta\u00e7\u00e3o (por exemplo, em casos de cloasma ou melasma), uma vez que as altera\u00e7\u00f5es superficiais se tornam mais vis\u00edveis sob a luz ultravioleta.<\/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. Por que raz\u00e3o \u00e9 necess\u00e1rio examinar um doente num ambiente escuro? <\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">O ambiente totalmente escuro \u00e9 necess\u00e1rio para excluir a entrada de luz vis\u00edvel, que pode mascarar o fraco brilho da fluoresc\u00eancia, caracter\u00edstico de muitas patologias.<\/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=\"referencias\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Refer\u00eancias<\/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>Cat\u00e1logo VOKA (VOKA Catalog). [Recurso eletr\u00f4nico] <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">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>Kimura Y, Tanemura A, Kurosaki Y, Takafuji M, Yokoi K, Kiyohara E, Arase N, Fujimoto M. Clinical Observation and Proposed Classification of Vitiliginous Patches by a Wood\u2019s Lamp. J Cosmet Dermatol Sci Appl. 2020;10:204\u2013211. doi:10.4236\/jcdsa.2020.104021.<\/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>Guo W, Qian G, Zhang C. Alopecia from tinea capitis in an 8-year-old boy. CMAJ. 2024 Apr 22;196(15):E526.<\/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>Al Aboud DM, Gossman W. Wood\u2019s Light. 2023 Aug 28. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan\u2013. PMID: 30725878.<\/cite><\/p>\n<\/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>Dyer\u202fJM, Foy\u202fVM. Revealing The Unseen: A Review of Wood\u2019s Lamp in Dermatology. J Clin Aesthet Dermatol. 2022 Jun;15(6):25\u201130<\/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>A l\u00e2mpada de Wood (Wood\u2019s lamp) \u00e9 um dispositivo especializado para o diagn\u00f3stico n\u00e3o invasivo de doen\u00e7as cut\u00e2neas, amplamente utilizado para avaliar o estado da pele e do cabelo. O aparelho foi inventado em 1903 pelo f\u00edsico Robert Wood, e a sua primeira aplica\u00e7\u00e3o documentada em dermatologia ocorreu em 1925, quando foi recomendado para a [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"template":"","diseases_category":[295],"class_list":["post-1896","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-dermatologicas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Diagn\u00f3stico da pele com luz ultravioleta de l\u00e2mpada de Wood: princ\u00edpio, indica\u00e7\u00f5es e aplica\u00e7\u00e3o | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Diagn\u00f3stico da pele com luz ultravioleta de l\u00e2mpada de Wood: princ\u00edpio, indica\u00e7\u00f5es e aplica\u00e7\u00e3o. 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