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Liposarcoma in a Common Quail (Coturnix coturnix): A Case Report.

Mohammad Barari^1,2, Mohammad Fallah¹, Sara Shokrpoor³

¹Department of Avian Diseases, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.

Veterinary Medicine and Science

|August 9, 2025

Summary

A rare liposarcoma, a type of soft tissue tumor, was found near the uropygial gland in a common quail. This case highlights the importance of accurate diagnosis and management of avian liposarcoma.

Keywords:

Coturnix avian oncology common quail histopathology neoplasia liposarcoma

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Area of Science:

Veterinary Oncology
Avian Pathology

Background:

Liposarcoma is a rare malignant soft tissue tumor occasionally reported in birds.
Understanding avian liposarcoma presentation, diagnosis, and management is crucial due to its rarity.

Observation:

A 2-year-old female common quail presented with a rapidly growing abdominal mass near the uropygial gland.
The mass recurred post-surgery, and diagnostic tests indicated an inflammatory response and tumor-related metabolic disturbances.
Histopathology and immunohistochemistry confirmed a well-differentiated liposarcoma.

Findings:

A 3.5 cm liposarcoma composed of lipid-rich neoplastic cells was identified.
Immunohistochemical markers Vimentin and S-100 confirmed the liposarcoma diagnosis.
Surgical excision, the primary treatment, showed high recurrence rates in avian cases.

Implications:

Accurate diagnosis of avian liposarcoma relies on histopathology and immunohistochemistry.
Further research is needed to develop effective therapeutic strategies for avian liposarcoma.
This case underscores the challenges in managing liposarcomas in birds, emphasizing the need for advanced diagnostic and treatment protocols.