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Pubmed for Handhelds

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  • Title: Pigmented Nail Lesions: When to Observe, When to Biopsy, When to Widely Excise, and When to Amputate?
    Author: Das De S, Tan KB, Ho SJE, Athanasian EA, Puhaindran ME.
    Journal: J Hand Surg Am; 2022 Oct; 47(10):988-997. PubMed ID: 36050195.
    Abstract:
    Pigmented nail lesions are challenging problems. The differential diagnosis is broad and ranges from common self-limiting conditions, such as subungual hematoma and infection, to potentially fatal conditions, such as subungual melanoma. Clinical assessment and adjuncts, such as dermoscopy and imaging, are usually insufficient to establish a diagnosis, and a nail bed biopsy is often required. However, this is not an innocuous procedure and may result in permanent nail deformity. In addition, subjecting every patient with nail pigmentation to a biopsy will result in an unacceptably high rate of negative test results. Furthermore, histopathologic diagnosis of subungual melanoma remains challenging for several reasons. Once the diagnosis of subungual melanoma is established, the definitive treatment is controversial because the existing guidelines have largely been adapted from those for cutaneous melanoma. This review presents an approach to the diagnosis and management of pigmented subungual lesions and subungual melanoma, in particular, on the basis of the latest available evidence.
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