A Case of Gastric Adenocarcinoma in a Shih Tzu Dog: Successful Treatment of Early Gastric Cancer

A 9-year-old castrated male Shih Tzu dog was referred to us, because of chronic vomiting. The patient’s hematological, radiographic, ultrasonographic, endoscopic and histological examinations were evaluated for diagnosis. Hematologic analysis indicated moderate anemia and azotemia. Based on the imag...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2014, Vol.76(7), pp.1033-1038
Main Authors: LEE, Hee-Chun, KIM, Ji-Hyun, JEE, Cho-Hee, LEE, Jae-Hoon, MOON, Jong-Hyun, KIM, Na-Hyun, SUR, Jung-Hyang, CHO, Kyu-Woan, KANG, Byeong-Teck, HA, Jeongim, JUNG, Dong-In
Format: Article
Language:English
Subjects:
adenocarcinoma
Adenocarcinoma - diagnosis
Adenocarcinoma - drug therapy
Adenocarcinoma - pathology
Adenocarcinoma - surgery
Adenocarcinoma - veterinary
Animals
Antineoplastic Agents - therapeutic use
canine
Carboplatin - therapeutic use
Dog Diseases - diagnosis
Dog Diseases - drug therapy
Dog Diseases - pathology
Dog Diseases - surgery
Dogs
early gastric cancer (EGC)
gastric hyperplasia
Internal Medicine
Male
Stomach Neoplasms - diagnosis
Stomach Neoplasms - drug therapy
Stomach Neoplasms - pathology
Stomach Neoplasms - surgery
Stomach Neoplasms - veterinary
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Summary:A 9-year-old castrated male Shih Tzu dog was referred to us, because of chronic vomiting. The patient’s hematological, radiographic, ultrasonographic, endoscopic and histological examinations were evaluated for diagnosis. Hematologic analysis indicated moderate anemia and azotemia. Based on the imaging studies, an oval-shaped mass was identified in the gastric pylorus area. A proliferative mass was found on endoscopic examination, and we performed biopsy using grasping forceps. The histopathological findings of the biopsy specimens indicated hypertrophic gastritis, and Y-U pyloroplasty was performed. However, histopathological examination of the surgically resected mass revealed tubular adenocarcinoma of the stomach. Then, carboplatin chemotherapy was performed 4 times for 13 weeks. Clinical signs, such as vomiting, were resolved gradually after surgery and chemotherapy, and the patient’s condition was managed favorably until recently (30 months after surgery). This case report describes clinical features, imaging studies, endoscopic characteristics and histopathological and immunohistochemical features of gastric tubular adenocarcinoma as early gastric cancer in a dog.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.13-0315