一只狗的胰腺腺癌伴有模仿慢性胰腺炎的非典型影像特征。

IF 0.6 4区 农林科学 Q3 VETERINARY SCIENCES Veterinarni Medicina Pub Date : 2022-06-29 eCollection Date: 2022-06-01 DOI:10.17221/132/2021-VETMED
Jinsun Jang, Hojung Choi, Youngwon Lee, Kija Lee, Yongsoo Choi, Inchul Park, Sooyoung Choi
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引用次数: 0

摘要

一只 11 岁的完整雌性博美犬因黄疸、厌食和呕吐而被转诊。血液分析显示丙氨酸氨基转移酶、碱性磷酸酶和γ-谷氨酰转肽酶升高。血清犬胰脂肪酶免疫反应在正常参考范围内。放射线检查没有发现明显异常。在超声波检查中,胆囊肿大,总胆管(CBD)明显膨胀,直径达 6 毫米。胰腺轮廓不规则,外周边缘低回声,多个高回声病灶伴有声影,邻近肠系膜回声增强。根据这些结果,诊断为继发于慢性胰腺炎的肝外胆道梗阻。计算机断层扫描(CT)图像显示,与早期肝脏相比,胰腺实质变薄,并有多处钙化。为了保留CBD的通畅性,患者接受了开腹手术。胰腺组织病理学检查显示为胰腺外分泌腺癌。虽然人类胰腺外分泌腺癌在 CT 上有各种表现,但狗的胰腺腺癌 CT 特征尚未得到很好的证实。本报告旨在描述胰腺腺癌的非典型成像特征,这些特征与狗慢性胰腺炎的特征相似。
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Pancreatic adenocarcinoma with atypical imaging features mimicking chronic pancreatitis in a dog.

An 11-year-old intact female Pomeranian dog was referred for jaundice, anorexia, and vomiting. The blood analysis revealed increased alanine aminotransferase, alkaline phosphatase, and gamma-glutamyl transpeptidase. The serum canine pancreatic lipase immunoreactivity was within the normal reference range. The radiography revealed no significant findings. On ultrasound, the gallbladder was enlarged with a markedly distended common bile duct (CBD) measuring up to 6 mm in diameter. The pancreas had an irregular contour, a hypoechoic peripheral rim, multiple hyperechoic foci with acoustic shadowing, and showed increased echogenicity of the adjacent mesentery. Based on these results, an extrahepatic biliary obstruction secondary to the presumed chronic pancreatitis was diagnosed. The computed tomography (CT) images showed a hypoattenuating pancreatic parenchyma compared to the liver in the early phase, as well as multiple calcifications. A laparotomy was performed to reserve the patency of the CBD. The histopathological examination of the pancreas revealed exocrine pancreatic adenocarcinoma. While various appearances of exocrine pancreatic adenocarcinoma on CT have been reported in humans, CT features of pancreatic adenocarcinoma have not been well-established in dogs. The purpose of this report is to describe the atypical imaging features of pancreatic adenocarcinoma that are similar to those of chronic pancreatitis in a dog.

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来源期刊
Veterinarni Medicina
Veterinarni Medicina Veterinary Sciences-兽医学
CiteScore
1.30
自引率
0.00%
发文量
62
审稿时长
18-36 weeks
期刊介绍: The journal Veterinarni Medicina publishes in English original papers, short communications, critical reviews and case reports from all fields of veterinary and biomedical sciences.
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