Peer-reviewed veterinary case report
Cat with abdominal cancer mimicking encapsulating peritoneal sclerosis
By Nam, So-Jeong et al.·Published in Frontiers in veterinary science·2023·VIP Animal Medical Center KR, South Korea·View original on PubMed →
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Original publication title: Peritoneal carcinomatosis with desmoplasia and osseous metaplasia mimicking encapsulating peritoneal sclerosis in a cat: case report.
- Species:
- cat
Plain-English summary
A 13-year-old neutered male Korean short-hair cat was brought to the vet because he was not eating, seemed very tired, and had a swollen belly. Tests showed fluid in his abdomen, and imaging revealed thickening of the abdominal lining and calcification, which can mimic a condition called encapsulating peritoneal sclerosis. During surgery, the vet found fibrous membranes around the organs and several calcified areas. Unfortunately, further tests confirmed that the cat had a serious type of cancer called carcinomatosis.
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Abstract
A 13-year-old neutered male Korean short-hair cat presented with anorexia, lethargy, and a severely distended abdomen, suggestive of ascites. Abdominocentesis yielded serosanguineous fluid. A subsequent diagnostic workup, including blood tests, ascitic fluid analysis, imaging studies [radiography, ultrasound, and computed tomography (CT)], and histopathological examination, was performed to identify the underlying cause. Imaging studies revealed characteristics of encapsulating peritoneal sclerosis (EPS) such as peritoneal thickening, fat stranding, and calcification. During laparotomy, fibrous membranes encapsulating the abdominal organs and ascites were observed, and multiple calcified regions were detected on the abdominal wall. Histopathological analysis confirmed the diagnosis of poorly differentiated invasive malignant neoplasms, which were further classified as carcinomatosis based on positive cytokeratin and negative vimentin immunohistochemistry results. To our knowledge, this is the first report of sclerosing peritoneal carcinomatosis with osseous metaplasia in a cat.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/38105775/