Peer-reviewed veterinary case report
Air sac cystadenoma causing wheezing in a pet chicken
By Murillo, Daniel Felipe Barrantes et al.·Published in Avian diseases·2023·Department of Pathobiology·View original on PubMed →
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Original publication title: Air Sac Cystadenoma in a Pet Chicken.
- Species:
- bird
Plain-English summary
A 2-year-old female Brahma chicken was brought in because she had been sneezing and wheezing for three weeks. The vet found a cyst near her crop, and unfortunately, her symptoms were getting worse. After examining her after she was euthanized, they discovered a benign tumor in her air sac called an air sac cystadenoma. This type of tumor is rare in birds, and there isn't much information about it in poultry literature.
People also search for: chicken sneezing treatment · chicken wheezing causes · air sac tumor in birds
Abstract
A 2-yr-old female Brahma chicken was presented to the Poultry Mobile Clinic of the College of Veterinary Medicine at North Carolina State University with a 3-wk onset of a wet sneeze that progressed to wheezing with a whistle-type sound. Upon observation, a cyst was found above the left clavicle in the area around the crop. The bird was euthanatized due to the progressive and chronic nature of the symptoms. Postmortem examination revealed an ovoid, soft to fluctuant, smooth, pale brown mass (2 × 0.9 × 0.8 cm), encased within the cranial membrane of the left cervical air sac. Histologically, focally expanding the left cervical air sac was a pedunculated, nonencapsulated, well-demarcated, moderately cellular neoplasm that consisted of cuboidal cells predominantly arranged in variably sized cystic structures lined by a single layer of cells. Neoplastic cells have strong cytoplasmic immunolabeling against cytokeratin AE1/AE3. Gross and histologic findings were consistent with an air sac cystadenoma. Primary respiratory neoplasia in birds is infrequent. Air sac carcinomas, adenocarcinomas, and cystadenocarcinomas have been described in Psittaciformes, Columbiformes, Falconiformes, and Cuculiformes. Benign air sac tumors are poorly documented, and detailed descriptions of this neoplasm in poultry literature are lacking.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39126416/