{"id":126728,"date":"2025-03-14T08:47:40","date_gmt":"2025-03-14T08:47:40","guid":{"rendered":"https:\/\/nailknowledge.org\/?p=126728"},"modified":"2025-03-14T08:47:43","modified_gmt":"2025-03-14T08:47:43","slug":"como-detectar-melanoma-nas-unhas","status":"publish","type":"post","link":"https:\/\/nailknowledge.org\/pt\/blog\/how-to-spot-nail-melanoma","title":{"rendered":"Como identificar um melanoma nas unhas"},"content":{"rendered":"

A Podiatrist\u2019s Guide to Catching This Silent Threat<\/strong><\/h2>\n\n\n\n

As a podiatrist, I spend my days knee-deep (or should I say toe-deep?) in everything from ingrown toenails to verrucas. But every so often, I see something far more sinister, something that could quite literally be a matter of life or death: nail melanoma. The challenge? Many people don\u2019t know how to spot nail melanoma, making early detection difficult and increasing the risk of late diagnosis.<\/p>\n\n\n\n

Now, I know what you’re thinking. “Melanoma? In the nail?” Yes, it happens. It is what famous musician Bob Marley suffered from and what led to his unfortunate passing. And the tricky part? It\u2019s shockingly easy to miss. That\u2019s why whether you’re a fellow podiatrist, a nail technician, or just someone who loves a good pedicure, you need to know what to look out for.<\/p>\n\n\n\n

So, let\u2019s get into it\u2014what does nail melanoma look like, and when should you be sending that client or patient straight to a dermatologist?<\/p>\n\n\n\n

O que exatamente \u00e9 o melanoma de unha e como identific\u00e1-lo?<\/strong><\/h2>\n\n\n\n

Nail melanoma (or subungual melanoma, if we\u2019re getting fancy) is a rare but aggressive type of c\u00e2ncer de pele<\/a> que se forma sob a unha. Geralmente come\u00e7a na matriz da unha (a parte oculta sob a cut\u00edcula), o que dificulta a detec\u00e7\u00e3o em seus est\u00e1gios iniciais.<\/p>\n\n\n\n

Unlike the more common superficial spreading melanoma that you might see on sun-exposed skin, nail melanoma doesn\u2019t need sunlight to thrive. It\u2019s sneaky, slow-growing, and often ignored until it\u2019s too late.<\/p>\n\n\n\n

Como identificar o melanoma de unha: os sinais sutis que podem passar despercebidos<\/strong><\/h2>\n\n\n\n

Here\u2019s where things get tricky. Nail melanoma can masquerade as a bruise, fungal infection, or even just a natural pigmentation change\u2014especially in people with darker skin tones, where nail pigmentation is more common. However, it is crucial to remember: never attempt to self-diagnose a nail melanoma. If you notice any of these changes and are unsure, seek medical evaluation rather than assuming it is harmless. Early professional assessment could be life-saving. Key Signs to Watch For:<\/p>\n\n\n\n

1. A Dark Streak That Doesn’t Grow Out<\/strong><\/h3>\n\n\n\n

A dark brown or black stripe running vertically down the nail is the most common sign. But here\u2019s the catch\u2014it doesn\u2019t move up or grow out as the nail does. If that \u201cbruise\u201d isn\u2019t budging after a few months, it\u2019s time to investigate.<\/p>\n\n\n\n

2. Pigment That Extends Onto the Skin (Hutchinson\u2019s Sign)<\/strong><\/h3>\n\n\n\n

If the pigmentation spills over onto the cuticle or surrounding skin (called Hutchinson\u2019s sign), consider it a red flag. This is a classic sign of melanoma creeping beyond the placa ungueal<\/a>.<\/p>\n\n\n\n

3. Uma faixa de unha nova ou em mudan\u00e7a<\/strong><\/h3>\n\n\n\n

If someone has had a faint nail streak for years without any change, it\u2019s probably benign. But if a new streak appears, gets wider, darkens, or changes shape, that\u2019s when alarm bells should start ringing.<\/p>\n\n\n\n

4. Distrofia ou destrui\u00e7\u00e3o das unhas<\/strong><\/h3>\n\n\n\n

Melanoma doesn\u2019t always stay neatly under the nail\u2014it can distort, split, or destroy the nail plate. If a nail is lifting, crumbling, or disintegrating without obvious trauma or infection, you need to dig deeper (not literally, please).<\/p>\n\n\n\n

5. A Persistent \u201cInfection\u201d That Won\u2019t Clear<\/strong><\/h3>\n\n\n\n

Think it\u2019s a fungal nail? Maybe. But if antifungals aren\u2019t working, and the nail is getting worse, reconsider your diagnosis. Melanoma can sometimes mimic onicomicose<\/a> (unhas com fungos), e confundir as duas pode atrasar o tratamento que salva vidas.<\/p>\n\n\n\n

6. Dor, sangramento ou crescimento irregular sob a unha<\/strong><\/h3>\n\n\n\n

Melanoma doesn\u2019t always come in neat, stripey packages. It can present as a lump, ulceration, or spontaneous bleeding under the nail. If a client says, \u201cI don\u2019t remember injuring it, but it just won\u2019t stop bleeding,\u201d levar isso a s\u00e9rio.<\/strong><\/p>\n\n\n\n

Who\u2019s at Risk?<\/strong><\/h2>\n\n\n\n

Melanoma doesn\u2019t discriminate, but some people are at maior risco<\/strong> do que outros:<\/p>\n\n\n\n

    \n
  • Pessoas com tons de pele mais escuros<\/strong> (they\u2019re more likely to develop subungual melanoma than fair-skinned individuals).<\/li>\n\n\n\n
  • Pessoas com hist\u00f3rico de trauma na unha<\/strong> (though it\u2019s not always linked).<\/li>\n\n\n\n
  • Indiv\u00edduos com hist\u00f3rico familiar de melanoma<\/strong>.<\/li>\n\n\n\n
  • Pessoas que passam muito tempo ao sol sem protetor solar<\/strong>.<\/li>\n\n\n\n
  • Qualquer pessoa com mais de 50 anos<\/strong> (embora possa ocorrer em qualquer idade).<\/li>\n<\/ul>\n\n\n\n

    Quando encaminhar? Como identificar o melanoma de unha e agir rapidamente<\/strong><\/h2>\n\n\n\n

    If you are a practitioner or technician and spot any of the warning signs above, do not hesitate\u2014always refer to a medical doctor (MD) or dermatologist immediately. A delay in diagnosis significantly increases the risk of melanoma spreading, making early referral critical. Even if you are uncertain, it is far better to be overly cautious than to miss a potentially life-threatening condition.<\/p>\n\n\n\n

    Os encaminhamentos urgentes devem ocorrer quando:<\/strong><\/h3>\n\n\n\n
      \n
    • Aparece uma faixa escura nova ou vari\u00e1vel, especialmente em uma unha.<\/li>\n\n\n\n
    • Pigmentation extends onto the skin (Hutchinson\u2019s sign).<\/li>\n\n\n\n
    • A unha est\u00e1 se levantando, quebrando ou ulcerando sem uma causa clara.<\/li>\n\n\n\n
    • There\u2019s a persistent \u201cinfection\u201d that doesn\u2019t respond to treatment.<\/li>\n\n\n\n
    • Uma les\u00e3o na unha \u00e9 dolorosa, sangra ou muda rapidamente.<\/li>\n<\/ul>\n\n\n\n

      Time is of the essence. Melanoma under the nail is often diagnosed late, meaning it has a higher risk of spreading (metastasising). Learning to spot nail melanoma early, whether you\u2019re a podiatrist, nail technician, or simply monitoring your own health, could be life-saving.<\/p>\n\n\n\n

      Considera\u00e7\u00f5es finais: Confie em seu instinto<\/strong><\/h2>\n\n\n\n

      If something about a nail doesn\u2019t sit right with you, refer it. No one will fault you for being cautious\u2014but missing a melanoma could have devastating consequences.<\/p>\n\n\n\n

      For podiatrists and nail techs, we\u2019re often the first line of defence. The average person isn\u2019t inspecting their own toenails with a magnifying glass, so if we don\u2019t spot it, who will?<\/p>\n\n\n\n

      So next time you see a stubborn nail streak, don\u2019t dismiss it. It could be a bruise\u2026 or it could be something much worse.<\/p>\n\n\n\n

      E no mundo do melanoma, A detec\u00e7\u00e3o precoce \u00e9 tudo.<\/strong><\/p>\n\n\n\n

      Voc\u00ea j\u00e1 viu uma unha suspeita?<\/strong><\/h3>\n\n\n\n

      If you\u2019ve ever come across a case that turned out to be something serious, let\u2019s talk about it. Awareness saves lives, and the more we share, the better we get at spotting these silent threats.<\/p>\n\n\n\n

      Fique atento, fique curioso e mantenha as unhas sob controle!<\/strong><\/h4>\n\n\n\n

      <\/p>","protected":false},"excerpt":{"rendered":"

      A Podiatrist\u2019s Guide to Catching This Silent Threat As a podiatrist, I spend my days knee-deep (or should I say toe-deep?) in everything from ingrown toenails to verrucas. But every so often, I see something far more sinister, something that could quite literally be a matter of life or death: nail melanoma. The challenge? Many […]<\/p>\n","protected":false},"author":6156,"featured_media":126730,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[236,74],"tags":[],"class_list":{"0":"post-126728","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-foot-care-anatomy","8":"category-nail-conditions","9":"entry"},"yoast_head":"\nHow to Spot Nail Melanoma - NailKnowledge<\/title>\n<meta name=\"description\" content=\"Learn how to spot nail melanoma early. Watch for dark streaks, nail changes, or bleeding. 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