Abstract:Trichogenic tumors are very rare in genital skin and often cause diagnostic problems because they are mitotically active and they share some histologic features with basal cell carcinomas (BCCs). We present the clinical and histologic features of 16 vulvar trichogenic tumors (6 plaque-like, 10 nodular; average age, 65 years) in comparison with 16 BCCs (11 plaque-like, 5 nodular; average age, 78 years). All trichogenic tumors, except 1 case with HSV infection, were nonulcerated tumors. Superficial plaque-like t… Show more
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