MSD Manual

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Common Ear Tumors in Dogs and Cats

Common Ear Tumors in Dogs and Cats

Species

Location and Tumor Type

Pinna

External Ear Canal

Dog

Sebaceous gland tumor, histiocytoma, mast cell tumor

Ceruminous gland adenoma, adenocarcinoma

Cat

Squamous cell carcinoma, basal cell tumor, hemangiosarcoma, melanocytic tumor

Nasopharyngeal polyp, squamous cell carcinoma, ceruminous gland adenocarcinoma