Oesophageal squamous cell carcinoma in a blue‐fronted Amazon parrot (Amazona aestiva)

IF 0.3 Q4 VETERINARY SCIENCES

Veterinary Record Case Reports Pub Date : 2024-07-10 DOI:10.1002/vrc2.943

Sabrina Vieu, Jeremy Mortier, Marine Le Dudal, Charly Pignon, Mélanie Coquelle, Thomas Coutant

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引用次数: 0

Abstract

A 14‐year‐old, female, blue‐fronted Amazon parrot was referred for episodes of regurgitation. The differential diagnosis mainly included bornavirus infection, infectious or traumatic ingluvitis, gastro‐oesophageal reflux, gastritis/enteritis, heavy metal poisoning, metabolic disease (severe hepatic or renal disease), coelomitis, digestive neoplasia, extra‐digestive masses, organomegaly or foreign body. No improvement was noted with symptomatic treatment. Radiographs, avian bornavirus polymerase chain reaction and serology, biochemistry, haematology, crop cytology and ultrasonography failed to provide a definitive diagnosis. Lethargy, weight loss and crop stasis after 1 month motivated computed tomography, which revealed focal thickening of the oesophageal wall. Fine‐needle aspiration under computed tomography guidance of the mass was non‐diagnostic, and the bird died during recovery from anaesthesia. Oesophageal squamous cell carcinoma was confirmed by histopathology. This case illustrates the benefit of advanced diagnostic imaging to investigate chronic refractory regurgitations and describes the use of computed tomography‐guided fine‐needle aspiration in an avian patient.

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蓝额亚马逊鹦鹉（Amazona aestiva）的食道鳞状细胞癌

一只 14 岁的雌性蓝额亚马逊鹦鹉因出现反胃症状而被转诊。鉴别诊断主要包括天生病毒感染、感染性或外伤性摄食道炎、胃食道反流、胃炎/肠炎、重金属中毒、代谢性疾病（严重肝病或肾病）、肠套叠炎、消化道肿瘤、消化道外肿块、器官肿大或异物。对症治疗未见好转。X光片、禽流感病毒聚合酶链式反应和血清学、生化学、血液学、嗉囊细胞学和超声波检查均未能给出明确诊断。1 个月后，患者出现嗜睡、体重减轻和嗉囊淤血，促使其接受计算机断层扫描，结果显示食道壁有局灶性增厚。在计算机断层扫描引导下对肿块进行细针穿刺，但未能确诊，该鸟在麻醉恢复期间死亡。经组织病理学检查，确诊为食道鳞状细胞癌。本病例说明了先进的诊断成像技术对检查慢性难治性反胃的益处，并介绍了在计算机断层扫描引导下细针抽吸术在禽类患者中的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Veterinary Record Case Reports Veterinary-Veterinary (all)

CiteScore

0.50

自引率

33.30%

发文量

266

期刊介绍： Vet Record Case Reports is an online resource that publishes articles in all fields of veterinary medicine and surgery so that veterinary professionals, researchers and others can easily find important information on both common and rare conditions. Articles may be about a single animal, herd, flock or other group of animals managed together. Common cases that present a diagnostic, ethical or management challenge, or that highlight aspects of mechanisms of injury, pharmacology or histopathology are deemed of particular educational value. All articles are peer reviewed and copy edited before publication.