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Melanoma In Situ

Radical Excision of Melanoma in Situ

Acceptance of Residual Melanoma-In-Situ: Avoiding Cosmetic and Functional Deformation

Acceptance of residual melanoma-in-situ (lentigo maligna) after an excision can avoid cosmetic and functional deformation. Is the residual risk of recurrence and transformation into invasive melanoma low enough to warrant observation? Melanoma-in-situ (MIS) is a high risk lesion due to three primary reasons. The first is that a partially biopsied melanocytic lesion with a diagnosis…

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Melanoma-in-situ of the Chin

A middle-age man with previous melanoma-in-situ of the back presents with new chin lesion biopsied as melanoma-in-situ on a deep shave biopsy. Subsequent surgical excision with 2 mm margins revealed no evidence of residual melanoma. Observation was chosen as the course of management. Should additional wider margin resection be performed? Melanoma-in-situ (MIS) is a high…

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