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Peer-reviewed veterinary case report

Cat with low blood sugar had pancreatic tumor and accessory spleen

By Tomura, Shintaro et al.·Published in The Journal of veterinary medical science·2022·Japan Small Animal Medical Center, Japan·View original on PubMed

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Original publication title: Intrapancreatic accessory spleen mimicking pancreatic insulinoma with intrapancreatic metastasis in a cat.

Species:
cat

Plain-English summary

An 11-year-old neutered male Domestic Shorthair cat was brought in after experiencing low blood sugar, two seizures, and unusual twitching for three months. Tests showed he had very low blood sugar levels along with high insulin. A special scan of his abdomen revealed two masses in the pancreas. The vet performed surgery to remove part of the pancreas, and it turned out that one mass was a type of tumor called an insulinoma, while the other was extra spleen tissue. After surgery, the cat's condition improved, and he was treated for his blood sugar issues.

People also search for: cat seizures low blood sugar · insulinoma in cats · cat pancreas surgery recovery

Abstract

An 11-year-old neutered male Domestic Shorthair cat presented with a 3-month history of hypoglycemia, two episodes of seizure, and intermittent tick-like signs. Serum biochemistry revealed severe hypoglycemia associated with high insulin concentrations. Dynamic abdominal computed tomography (CT) indicated two pancreatic masses, which were enhanced most during the late arterial phase but had different degrees and variations of attenuation. Partial pancreatectomy was performed. Histopathology and immunohistochemistry confirmed that one mass was an insulinoma and the other was an ectopic splenic tissue, consistent with the differences in imaging findings. When an intrapancreatic lesion with hyper-attenuation on dynamic abdominal CT is detected, not only insulinoma or metastasis of malignancies but also intrapancreatic accessory spleen (IPAS) should be considered as differential diagnoses.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35110461/