Abstract
Usual clinical types of malignant melanoma (MM) are lentigo maligna, superficial spreading, nodular, and acral lentiginous MMs. Rarer variants of MM are amelanotic, neurotropic, desmoplastic, metastatic, invisible, pedunculatedmelanoma (PM), or nodal melanoma (NM), which constitute less than 5% of cases. Recognition and discrimination of these variants are important to avoid misdiagnosis of MM. We report a 42-year-old Caucasian woman presented with a superficial spreading malignant melanoma (SSM) with an amelanotic nodular center. The lesion simulated a NM or PM clinically, but its histopathology showed an SSM. This misleading appearance of SSM has not been reported previously.
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