HYPERNEPHROMA of the kidney in children is a true rarity, and was first described by Grawitz in 1883.1 It has been thought to be a renal tumor of adults originating from aberrant adrenal tissue in the kidney. This neoplasm is so seldom seen in children that some investigators2-4 believe that it is not a true carcinoma of the kidney when found in this age group. Others5,6 believe that it may originate from renal tubular epithelium.
We have observed hypernephroma at G. W. Hubbard Hospital in a 3-year-old Negro boy who underwent a right nephrectomy, and who has had no evidence of metastasis or recurrence during a 50-month follow-up period.
Report of a Case
A 3-year-old Negro boy was admitted to the pediatric inpatient service on May 17, 1964, with a chief complaint of "passing blood in his urine." According to his grandmother, the child had fallen from