<unk>  <unk>  is a rare type of aggressive cancer that arises from the<unk>  glands. It is predominantly seen in men and, generally, has a poor prognosis. Other high grade<unk> s can mimic<unk> . About 40-60% of<unk>  arise in pleomorphic adenomas. Most, if not all,<unk> s express androgen receptor by immunohistochemistry. Therapeutically relevant genetic alterations include ERBB2/Her2 amplification, PIK3CA and/or HRAS mutations.
Salivary duct carcinoma
Bartholin gland carcinoma
Thecoma
Ceruminous adenoma
Apocrine gland carcinoma
Pilomatricoma
Adenoid cystic carcinoma
Adenoacanthoma