MSD Manual

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MSD Manual
Veterinary Manual
The trusted provider of veterinary information since 1955

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VETERINARY PET
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

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using leading-edge science to save and improve lives around the world.  The Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues in the online and mobile app versions today.

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