Papillary Renal Cell Carcinoma in the Horseshoe Kidney

Sa Ying-Long, MD; Xu Yue-Min; Xie Hong; Xu Xiao-Lin

Disclosures

South Med J. 2010;103(12):1272-1274. 

In This Article

Abstract and Introduction

Abstract

Papillary renal cell carcinoma in the horseshoe kidney is uncommon. We report a case of papillary renal cell carcinoma in the horseshoe kidney and discuss its incidence, diagnosis, and treatment.

Introduction

The horseshoe kidney was recognized as an anomaly of the upper tract as early as the 16th century. In most cases, the kidneys are linked at the lower poles by an isthmus of parenchyma. This renal abnormality results from fusion of the nephrogenic blastema at about the fourth week of fetal life and is often associated with other severe congenital abnormalities which cause death in utero or shortly after birth. In patients who survive infancy, complications are common. Urinary infection occurs in 33%, renal calculi in 21%, and pelviureteric junction obstruction in 16%. But papillary renal cell carcinoma in the horseshoe kidney is not common.[1] We report a case of papillary renal cell carcinoma in the horseshoe kidney.

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