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Reese, Sven ORCID: 0000-0002-4605-9791; Frings, B. (2004): Die abdominale Ultraschalluntersuchung beim Frettchen (Mustela putorius f. furo L. 1758). In: Tierärztliche Praxis / K, Kleintiere, Vol. 32, No. 3: pp. 182-189
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Objective: The aim of this study was to give an overview in the sonographic anatomy of the abdominal organs in the ferret and to demonstrate frequent pathologic findings. Material and methods: Ultrasonography of the abdomen was performed in 26 clinically healthy and 17 diseased ferrets revealing signs such as apathy, alopecia,diarrhoea and permanent rancidity. The ferrets were examined in dorsal recumbency without sedation by using a 12 MHz linear transducer. Results: All abdominal organs with the exception of the pancreas could be clearly visualized. A special anatomical characteristic in ferrets was the big cranial mesenteric lymphnode (size: 7-15 mm) which could be easily recognized by the marked differentiation in cortex and medulla and should not be taken for a neoplastic process. The most frequentdiagnoses in both clinically healthy and diseased animals were as following: multiple renal cysts (27 animals), hyperechogenicity of the renal medulla (23 animals), splenomegaly (15 animals), ascites (seven animals), neoplasia of the adrenal gland (six animals), and lymphadenosis (five animals). In one female ferret showing signs of hyperestrogenism cystic ovaries were detected. Conclusion: In summary, abdominal ultrasonography in the ferret is a very valuable and highly informative diagnostic tool that can be performed easily. Clinical relevance: A sonographic examination of the abdomen should be ranked inthe clinical diagnostic in ferrets as highly as in dogs and cats.