UNILATERAL NEPHROLITHIASIS AND HYDRONEPHROSIS TREATED WITH NEPHRECTOMY IN A CAPTIVE MOUNTAIN TAPIR (TAPIRUS PINCHAQUE).

IF 0.7 4区农林科学 Q3 VETERINARY SCIENCES

Journal of Zoo and Wildlife Medicine Pub Date : 2025-06-01 DOI:10.1638/2024-0069

Brad B Nelson, Eric Klaphake, Khursheed R Mama, Elizabeth V Acutt, Yvette S Nout-Lomas, Matthew S Johnston

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Abstract

Mountain tapirs (Tapirus pinchaque) are endangered land mammals and there are few descriptions of urinary diseases that affect them. This report describes a 17-year-old mountain tapir presenting with hyporexia and chronic weight loss caused by unilateral nephrolithiasis and hydronephrosis. Unilateral nephrectomy returned this mountain tapir to normal weight with resolution of clinical signs. Characteristics of the smooth circular uroliths found in this mountain tapir were consistent with the rarer type II variant found in horses and was composed of 100% calcium carbonate. Type II uroliths in horses typically have amorphous shapes and include phosphate. This case showed that mountain tapirs are susceptible to nephrolithiasis, which may progress to hydronephrosis, and that unilateral nephrectomy is a feasible treatment. Despite the success of nephrectomy in this case, further investigation is required in captive mountain tapirs to more clearly understand management of nephrolithiasis and how it equates with what is known in horses.

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单侧肾结石和肾积水的治疗与肾切除术在圈养貘（貘pinchaque）。

山貘是一种濒临灭绝的陆地哺乳动物，对它们的泌尿系统疾病的描述很少。本报告描述一只17岁的山貘，表现为单侧肾结石和肾积水引起的缺氧和慢性体重减轻。单侧肾切除使这只山貘恢复到正常体重，临床症状得到缓解。在这只山貘身上发现的光滑圆形尿石的特征与在马身上发现的罕见的II型尿石一致，并且由100%的碳酸钙组成。马II型尿石通常呈无定形，并含有磷酸盐。本病例提示，貘易患肾结石，可能发展为肾积水，单侧肾切除术是一种可行的治疗方法。尽管在这种情况下肾切除术成功，但需要对圈养貘进行进一步的研究，以更清楚地了解肾结石的管理，以及它如何与马的已知情况等同。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Zoo and Wildlife Medicine 农林科学-兽医学

CiteScore

1.70

自引率

14.30%

发文量

审稿时长

9-24 weeks

期刊介绍： The Journal of Zoo and Wildlife Medicine (JZWM) is considered one of the major sources of information on the biology and veterinary aspects in the field. It stems from the founding premise of AAZV to share zoo animal medicine experiences. The Journal evolved from the long history of members producing case reports and the increased publication of free-ranging wildlife papers. The Journal accepts manuscripts of original research findings, case reports in the field of veterinary medicine dealing with captive and free-ranging wild animals, brief communications regarding clinical or research observations that may warrant publication. It also publishes and encourages submission of relevant editorials, reviews, special reports, clinical challenges, abstracts of selected articles and book reviews. The Journal is published quarterly, is peer reviewed, is indexed by the major abstracting services, and is international in scope and distribution. Areas of interest include clinical medicine, surgery, anatomy, radiology, physiology, reproduction, nutrition, parasitology, microbiology, immunology, pathology (including infectious diseases and clinical pathology), toxicology, pharmacology, and epidemiology.