A mixed tumour and an adenoma both of ceruminous gland origin in a dog

Ceruminous gland tumours are uncommon in the dog and this paper reports a case of two such tumours which arose in either ear of a 12 year old male long-haired Dachshund. Histologically, one tumour was a ceruminous adenoma and the other a rare ceruminous mixed tumour of borderline malignancy.