Can a Woods lamp help identify skin cancer?

A Woods lamp can aid in the detection of certain types of skin cancer, such as basal cell carcinoma and lentigo maligna melanoma. It is used to delineate surgical margins, helping surgeons to outline the borders and excise the full lesion. This method can accentuate the hyperpigmentation in the epidermis of the lesion, allowing for more precise excision and preservation of healthy skin. However, a confirmatory biopsy is often recommended for a definitive diagnosis. Woods lamp is a valuable tool in surgical procedures when visualizing cancerous margins, but it is not a standalone diagnostic method for skin cancer. Proper interpretation requires training and clinical knowledge, and it should be used in conjunction with other diagnostic techniques for accurate diagnosis.

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