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Paraganglioma of the Tongue in a Chow Chow Dog: A Comparison With the Human Counterpart and Literature Review

2020; Frontiers Media; Volume: 7; Linguagem: Inglês

10.3389/fvets.2020.00422

2297-1769

F. R. N. Rodrigues, Jeniffer Mendes da Silva Freire, Luana de Aguiar Paes Fidelis, Alexandra A. B. G. Pereira, Davi Emanuel Ribeiro de Sousa, Taís Meziara Wilson, Benito Soto‐Blanco, Márcio Botelho de Castro,

Pituitary Gland Disorders and Treatments

Over the last 20 years, substantial knowledge has been developed in Veterinary oncology, and tumors previously reported only in humans have been identified in animals. Primary paragangliomas of the tongue are extremely rare tumors in human beings and have never been reported in animals. A Chow Chow dog showed an ulcerated nodule at the lingual body, deeply infiltrated, which extended to the base of the tongue. A full clinical and pathological investigation was conducted, and a post-surgical follow-up of 6 months did not detect recurrence. Cytological, histological, and immunohistochemical features are presented and support the diagnosis of lingual paraganglioma. The paraganglioma of the tongue reported in this Chow Chow dog shares many similarities with the human counterpart.