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A single banal-appearing doubtful lesion on the arm - histology showed melanoma in situ
Keywords: 61 years, Arm, Brown pigmented macule, Clinical image, Histopathology-confirmed, Irregular border, Male, Melanoma of skin
Melanoma in situ is an early form of primary melanoma in which the malignant cells are confined to the tissue of origin, the epidermis. It is also known as in-situ melanoma and level 1 melanoma.
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Source: dermnetnz.org