Juvenile rhabdomyosarcomas in two dogs
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Updated: Oct 14, 2026

Tumorsphere Derivation and Treatment from Primary Tumor Cells Isolated from Mouse Rhabdomyosarcomas
Published on: September 13, 2019
1Department of Veterinary Pathology, School of Veterinary Medicine, Louisiana State University, Baton Rouge 70803, USA.
Abstract:
Juvenile rhabdomyosarcomas were diagnosed in two young dogs based on the results of histopathology, phosphotungstic acid-hematoxylin stain, immunohistochemistry, and the age of the dogs. One dog, an 11-month-old Rottweiler, had tumor masses in the maxillary gingiva and the urinary bladder. Histologically, the gingival mass was an alveolar type of rhabdomyosarcoma and the urinary bladder mass was an embryonal type. The other dog, a 1.5-year-old Basset Hound, had an embryonal rhabdomyosarcoma involving the oropharynx and the temporal muscles, with metastasis to the regional lymph node and lungs.
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