Hemangiosarcoma (HSA) is a malignant tumor derived from the endothelium of vessels, and primary renal HSA is a rare variant of the disease. This study aimed to report a case of unilateral primary renal HSA with pulmonary and brain metastasis in a dog. A 10-year-old mixed-breed male dog was treated at the Hospital Professor Ricardo Alexandre Hippler from Universidade Vila Velha (HV-UVV) with signs of hematuria. A mass in the left kidney was detected by ultrasound, and no metastasis was detected on chest radiography. Unilateral nephrectomy was performed, and the material underwent histopathological examination, which was concluded as HSA. The animal died 48 days after surgery, and a necropsy was performed, showing marked hemothorax and multifocal metastasis of HSA in the lung and brain. The absence of nodules at other sites before surgery indicates a primary renal origin. The late diagnosis of the disease may have contributed to the spread of metastasis and, consequently, the development of hemothorax. Histopathological and necroscopic examinations were essential to confirm the diagnosis.

Marina Possa dos Reys

Tayse Domingues de Souza

Adriano Stelzer Bindaco

Driéle Lutzke

Mayra Cunha Flecher

Brazilian Journal of Veterinary Pathology

The Brazilian Journal of Veterinary Pathology is the official electronic periodical of the Brazilian Association of Veterinary Pathology.    The purpose of the BJVP is to publish original full papers, short communications, case reports, letters, reviews (by invited experts) and abstracts of scientific meetings.    The preferable subjects  is natural and experimental pathology. All the articles are submitted to scientific reviewers.

The Brazilian Journal of Veterinary Pathology is the official electronic journal of the Brazilian Association of Veterinary Pathology. The purpose of the BJVP is to publish original full papers, short communications, case reports, letters, reviews (by invited experts), and abstracts of scientific meetings. The journal primarily focuses on natural and experimental pathology. All articles are subject to scientific review.

《Brazilian Journal of Veterinary Pathology》是巴西兽医病理学会的官方电子期刊。BJVP的目的是发表原创的完整论文、短篇通讯、病例报告、信件、专家邀请的综述以及科学会议的摘要。期刊主要关注自然病理学和实验病理学。所有文章均需经过科学审稿。

Primary renal hemangiosarcoma with brain and lung metastasis in a dog

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