Tumors of the Ferret (excluding adrenal tumors).
Two case studies of gastric tumors (one lymphoma and one adenocarcinoma) where surgery was performed.
Authors: Hiroshi Sasai, Daisuke Fujita, Yohei Ueda, Hideko Okuda. Maki Kishimoto, Nao Ijima, Kensaku Okamura, Ryoko Yamazaki (Kitasuma Animal Hospital)
Publication Date: 12/01/2006
Abstract:
We report on two case studies of gastric tumors of the ferret.
Case 1) Male ferret, three years, 6 months of age, presented the following symptoms: lethargy and loss of appetite, vomiting, emaciation. A tumor of approximately 2cm in diameter was palpated in the upper abdomen. The results of a GI tract series suggested tumors in the pyloric region and gastrointestinal perforation. An ascites also hinted at peritonitis. An exploratory laparotomy was performed during which perforations in the gastric lining of the pyloric region and pronounced hypertrophy resulting from tumorigenesis were recognized. After excision of the lesioned area, a gastrojejunostomy was performed; however, the patient passed away three days post-op. Hyperplasia involving neoplastic lymphcytes was seen throughout the mucosal layer and proper mucosal layer of the stomach.
Case 2) Neutered male ferret, 6 years of age, presented the following symptoms: abrupt and severe emaciation, lethargy, reduced appetite, and chronic emesis. A tumor of approximately 1.5 cm in diameter was palpated in the upper abdomen. X-rays showed gastric dilation and pyloric calcification. An obstruction of the GL tract was suspected. An exploratory laparotomy was performed during which tumorigenesis across the pyloric region to the duodenum was recognized. As isolation and extraction of the lesioned area was judged to be extremely difficult, a gastrojejunostomy was performed. A biopsy of the tumorous lesion resulted in a diagnosis of adenocarcinoma. Patient was doing well post-op until day 51. On the 51st day post-op, the patient's condition abruptly worsened with death following.
These two cases suggest that in the diagnosis of ferret gastric tumors, there is a necessity to perform endoscopy, GI tract series, along with other tests more aggressively and in even earlier stages.
Key words:
ferret, pet, animal disease, case report, gastric tumor, lymphoma, adenocarcinoma, male, gastroenterography, medical imaging, palpation, excision, tumorigenesis, biopsy, ultrasonography, pathology, histological diagnosis, hyperplasia, hypophagia, emesis
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