<unk><unk>  can be differentiated by histology to determine whether the malignancy is due to squamous cell carcinoma, adenoid cystic carcinoma, or adenocarcinomas.
Bartholin gland carcinoma
Thecoma
Pilomatricoma
Ceruminous adenoma
Sebaceous carcinoma
Medulloepithelioma
Cylindroma
Adenoid cystic carcinoma