Merck Manual

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Neoplastic Diseases of Marine Mammals


Michael K. Stoskopf

, DVM, PhD, DACZM, College of Veterinary Medicine, North Carolina State University

Last full review/revision Oct 2015 | Content last modified Jun 2016

Tumors in marine mammals are infrequent, although a wide variety has been reported. They are of little consequence except for malignant lymphoma in harbor seals, in which horizontal transmission can occur in a closed population, and transmissible venereal tumor of California sea lions.

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