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Peer-reviewed veterinary case report

Dog with abdominal aortic tumor causing hindlimb pain and weakness

By Lee, Bo-Ram et al.·Published in The Journal of veterinary medical science·2011·Department of Veterinary Pathology, South Korea·View original on PubMed

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Original publication title: Abdominal aortic chondrosarcoma in a dog.

Species:
dog

Plain-English summary

A 14-year-old mixed breed dog was brought in with sudden pain and weakness in its back legs. An ultrasound showed a mass blocking blood flow in the abdominal aorta, which is a major blood vessel. After further tests, the dog was diagnosed with a rare type of tumor called aortic chondrosarcoma. Unfortunately, due to the severity of the condition, the outcome was not favorable, and the dog likely required supportive care.

People also search for: dog hind leg weakness · dog abdominal mass treatment · mixed breed dog tumor diagnosis

Abstract

A 14-year-old, mixed breed dog was presented with acute pain and paresis of the hindlimbs. Ultrasonography revealed an intraluminal mass and an abrupt halt of blood flow signal in the distal abdominal aorta. The mass had homogeneous hyperechoic echotexture compared with blood flow. Although clinical presentation suggested a thromboembolism and pituitary dependent hyperadrenocorticism was suspected as a predisposing cause based on adrenal function tests and ultrasonography, an aortic chondrosarcoma originating from the distal abdominal aorta was diagnosed with histologic examination. Primary aortic sarcoma is extremely rare, and extraskeletal chondrosarcoma is only reported in 2 cases previously. Aortic neoplasm should be included in differential diagnosis when an intraluminal aortic mass is observed on ultrasonography and acute paresis of hindlimbs is shown.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21705848/