Oesophageal angioleiomyosarcoma in a cat
Lesley H W Teo1, Stephen D Cahalan2, Livia Benigni3
1Department of Veterinary Clinical Sciences, Small Animal Medicine and Surgery Group, Queen Mother Hospital for Animals, Royal Veterinary College, Hatfield, UK lesley_thw@hotmail.com.
Journal of Feline Medicine and Surgery
|March 14, 2014
Summary
This study reports the first case of feline esophageal angioleiomyosarcoma, a rare spindle cell tumor. Successful surgical removal led to a positive outcome for the affected cat.
Area of Science:
- Veterinary Medicine
- Surgical Oncology
- Comparative Pathology
Background:
- Esophageal tumors are uncommon in cats.
- Regurgitation and weight loss are non-specific clinical signs that can indicate serious underlying pathology.
Observation:
- A 3-year-old domestic longhair cat presented with chronic regurgitation and weight loss.
- Diagnostic imaging revealed a cranial mediastinal mass causing esophageal dilation.
- Exploratory surgery identified an intramural esophageal mass.
Findings:
- Histopathology and immunohistochemistry confirmed the mass as an angioleiomyosarcoma, a vascular spindle cell tumor.
- The tumor was positive for alpha-smooth muscle actin and von Willebrand factor, and negative for c-kit.
- Surgical excision and esophageal reconstruction were technically successful.
Implications:
- This case represents the first documented instance of feline esophageal angioleiomyosarcoma.
- Early diagnosis and surgical intervention are crucial for managing this rare esophageal neoplasm in cats.
- Further research into feline esophageal tumors is warranted to improve diagnostic and therapeutic strategies.
