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Peer-reviewed veterinary case report

Facial swelling and mouth tumor in a young Labrador with alveolar

By Snyder, Laura A & Michael, Helen·Published in Journal of the American Animal Hospital Association·2011·Department of Veterinary Clinical Sciences, United States·View original on PubMed

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Original publication title: Alveolar rhabdomyosarcoma in a juvenile labrador retriever: case report and literature review.

Species:
dog

Plain-English summary

A 7-month-old Labrador retriever was taken to the vet because of facial swelling and a large oral mass near its upper teeth. Tests showed that the mass was a type of cancer called alveolar rhabdomyosarcoma, which is rare in dogs. The diagnosis was confirmed through a tissue sample that showed specific cell characteristics. Unfortunately, the report does not provide information on treatment or outcome for this puppy.

People also search for: dog oral mass · Labrador retriever facial swelling · puppy cancer treatment · alveolar rhabdomyosarcoma in dogs · dog tumor diagnosis

Abstract

A 7 mo old Labrador retriever presented for evaluation of facial swelling associated with a 5 cm oral mass extending caudally from the upper third premolar on the left side. Cytology revealed an atypical population of round cells of undetermined origin. A diagnosis of alveolar rhabdomyosarcoma (RMS) was reached via histopathology and confirmed with positive immunohistochemical staining for desmin. In humans, RMSs have a well-described round cell cytologic appearance. Few descriptions of veterinary cases of RMS exist. This report describes the cytologic appearance of alveolar RMS in a young dog and both summarizes and compares findings throughout the veterinary and human literature.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22058352/