A<unk>  (also known as<unk>  poroma," "Porocarcinoma":666, and "Spiradenocarcinoma") is a sweat gland carcinoma of the hand, which may recur locally in 50% of patients after excision, with distant metastases occurring in 60% of patients.
Malignant acrospiroma
Ganglion cyst
Epidermoid cyst
Acrospiroma
Warty dyskeratoma
Littoral cell angioma
Pilomatricoma
Sebaceous cyst