Peer-reviewed veterinary case report
Benign skin tumor removed from female budgerigar's belly
By Jakab, Csaba et al.·Published in Avian pathology : journal of the W.V.P.A·2013·a Department of Pathology and Forensic Veterinary Medicine·View original on PubMed →
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Original publication title: A case of cutaneous angiolipoleiomyoma (angiomyolipoma) in a budgerigar (Melopsittacus undulatus).
Plain-English summary
A 3-year-old female budgerigar was found to have a small tumor on her abdomen. The tumor was surgically removed and examined, revealing it was a benign growth made up of blood vessels, smooth muscle, and fat tissue, meaning it wasn't cancerous. This type of tumor, called an angiolipoleiomyoma, is quite rare in birds. The bird recovered well after the surgery, and there were no signs of malignancy.
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Abstract
We report a case of cutaneous angiolipoleiomyoma (angiomyolipoma) found on the anterior wall of the ventral part of the abdomen of a three-year-old female budgerigar (Melopsittacus undulatus). Histologic examination of the well-circumscribed, surgically removed tumour (1.5 cm in diameter) showed a benign admixed proliferation of blood vessels of different size, smooth muscle bundles, and mature adipose tissue, without evidence of malignancy. Endothelial cells of the haemangioma component were positive for claudin-5 endothelium-specific immunohistochemical marker, and the leiomyoma component was positive for α-smooth muscle actin. The differentiated lipocytes showed S-100 protein positivity. The Ki-67 labelling index was 2 to 3%. The mesenchymal tumour was negative for HMB45 melanocytic immunhistochemical marker. To the best of our knowledge, this is the first report describing a cutaneous angiolipoleiomyoma in a budgerigar with histological and immunohistochemical analyses.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/24106747/