Source:http://linkedlifedata.com/resource/umls/id/C1333488
NCI: A benign epithelial neoplasm derived from ceruminous glands in the external auditory canal.,NCI: A benign epithelial neoplasm derived from ceruminous glands in the external auditory canal. It presents as a grey mass covered by skin. It is characterized by a proliferation of glands composed of cells with abundant eosinophilic and granular cytoplasm.