Myxoid Onychomatricoma with Unusual CD99 Expression: A Report of a Rare Case and Literature Review
Abstract Onychomatricoma (OM) is a rare, benign fibroepithelial tumor originating from the nail matrix, with different clinical and histological variants documented in existing studies. Myxoid OM is an even rarer subtype, characterized by a prominent fibromyxoid component in histopathology. We report a case of a 34-yea...