Pigmented epithelioid melanocytoma (PEM) is a rare and diagnostically challenging skin neoplasm. Differentiating this lesion from melanoma is challenging due to overlapping clinical, histopathological, and immunohistochemical features. Some PEMs have a benign course, while others may be associated with more aggressive behaviour and have potential for local recurrence or distant metastasis. So, careful evaluation and follow-up are crucial for individuals with a diagnosis of PEM. This case study focuses on a 42-year-old woman with a gradually enlarging, dark, pigmented gluteal lesion. Histopathological analysis following complete excision showed nodular proliferation of spindled and epithelioid melanocytes in the dermis, extending into subcutaneous fat. Cellular atypia or mitotic figures were absent, confirming the diagnosis as PEM. This case underscores the intricate balance between monitoring and intervention in complex dermatological cases, shedding light on diagnostic challenges and ultimately striving for improved patient care.
Keywords: Melanocytes; melanoma; skin.
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