Sarcomatoid pilomatrix carcinoma

Pilomatrix (pilomatrical) carcinoma is a rare cutaneous adnexal tumor with matrical differentiation and recurrent and metastatic potential. Sarcomatoid pilomatrix carcinoma is a rare variant which shows a sarcomatoid component intermingling with the epithelial one. There are only 4 cases previously published. We present an additional case on the hand of a 78 year‐old man which appeared as a 6 mm hyperkeratotic, focally ulcerated plaque. A shave...