Congenital Renal Arteriovenous Malformation Presenting With Gross Hematuria After a Routine Jog: A Case Report

Erin L Dames; Lay Guat Ng; Kiang Hiong Tay

Disclosures

J Med Case Reports. 2014;8(65) 

In This Article

Abstract and Introduction

Abstract

Introduction Congenital renal arteriovenous malformations are abnormal communications between the intrarenal venous and arterial systems. An unusual cause of massive gross hematuria and an even rarer cause of hemodynamically significant anemia, its presentation remains variable from incidental imaging findings to severe hypertension and congestive heart failure.

Case presentation We present a case of a 44-year-old Chinese man with no personal or familial history of bleeding diasthesis that presented with gross hematuria leading to clot retention after routine physical activity.

Conclusions We have presented this case in an effort to highlight the possibility of this entity as a cause of acute upper urinary tract hemorrhage and the need for a computed tomography angiogram to clinch the diagnosis.

Introduction

Congenital renal arteriovenous malformations (AVMs) are abnormal communications between the intrarenal venous and arterial system. Such anomalies in the renal vasculature are rare causes of gross hematuria. A significant number of patients with renal AVMs are hypertensive,[1] and its clinical presentation is variable, ranging from incidental finding in an asymptomatic patient to congestive cardiac failure due to high output from a giant AVM. Its classical presentation is that of gross hematuria, occasionally associated with the passage of blood clots and flank pain. We present a case of a renal AVM presenting as gross hematuria after routine physical activity with multiple episodes of clot retention.

Comments

3090D553-9492-4563-8681-AD288FA52ACE

processing....