Synonyms have included cylindroma, ceruminoma, ceruminous adenocarcinoma, not otherwise specified ( NOS ), ceruminous adenoid cystic carcinoma ( ACC ), and ceruminous mucoepidermoid carcinoma.
2.
Other skin lesions that may need to be considered include cylindroma, lipoma, poroma and trichoepithelioma; these tend to be painless and have other useful distinguishing features.