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Article
November 1960

Wilms' Tumor in the Isthmus of a Horseshoe KidneyCase Report and Review of Literature

Author Affiliations

Sayre, Pa.
From the surgical service, Guthrie Clinic.

Arch Surg. 1960;81(5):803-806. doi:10.1001/archsurg.1960.01300050125022
Abstract

The presence of a horseshoe kidney is relatively rare. Authors differ as to its occurrence, and various reports indicate that it occurs from 1 in 200, to 1 in 1,000 people. Consideration and treatment of this condition and its associated pathological complications have been discussed in literature.1

Of the many pathological conditions associated with horseshoe kidneys, Wilms' tumor has been previously reported only six times; the earliest report dated 1895.2-5 Five of the six previously reported revealed that the tumor involved the kidney proper (left kidney in all instances). The sixth case reported that the tumor involved the isthmus of the horseshoe kidney (Table).6

The following case report is of a large Wilms' tumor involving the isthmus of a horseshoe kidney in a 5-year-old white girl. The diagnosis was made preoperatively.

Report of Case  A 5-year-old white girl with a mass in the abdomen was referred to

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