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Peer-reviewed veterinary case report

Dog with intestinal tumor linked to bowel hole after constipation

By H. Avci et al.·Published in Veterinární Medicína·2012·Faculty of Veterinary Medicine, University of Adnan Menderes, Aydin, Turkey, CZ·View original on DOAJ

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Original publication title: Primary intestinal fibrosarcoma caused by intestinal perforation in a dog: a case report

Species:
dog

Plain-English summary

An 11-year-old male Cocker Spaniel was brought to the vet after showing signs of not eating and having constipation for several weeks. The vet found a large mass in the dog's abdomen, which was confirmed to be a tumor in the intestine. The tumor was surgically removed, and it was diagnosed as a fibrosarcoma, a type of cancer. This case is unusual because the tumor was linked to a perforation in the intestine. After surgery, the dog was monitored for recovery, and the outcome will depend on further treatment and follow-up care.

People also search for: dog abdominal mass · Cocker Spaniel constipation · fibrosarcoma treatment in dogs

Abstract

An 11-year-old male Cocker Spaniel was examined for a palpable abdominal mass located in the jejunum after presenting with a history of anorexia and constipation for several weeks. In a contrast radiogram, a structure with well-defined borders adjacent to the intestine was determined. The intestinal mass, measuring 16 × 9.19 × 8.6 cm and weighing 900 g was surgically removed. At gross examination, when the lumen of a portion of the intestine excised together with the tumour mass was exposed, an ulcerated, oval-shaped area 1.2 × 0.6 cm in size was observed on the mucosa. The outer surface of the tumour was homogenous and expanded outwards from the intestinal wall. Histologically, the tumour was composed of fusiform-elongated spindle-shaped to polygonal neoplastic cells forming interlacing fascicles or interwoven bundles in an atypical herringbone pattern. Immnunohistochemically, neoplastic cells stained intensely positive for vimentin, and negative for α-SMA, desmin, cyotokeratin (AE1/AE3), S-100 protein, glial fibrillary acidic protein, neuron specific enolase and synaptophsin. On the basis of the histopathological and immunohistochemical results, the tumour was diagnosed as a fibrosarcoma. The present report is a very rare description of fibrosarcoma of the dog intestine associated with intestinal perforation.

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Original publication on DOAJ: https://doi.org/10.17221/6019-VETMED