Renal clear-cell carcinoma with X;1 translocation revealed by microscopic hematuria in a 23-year-old woman.

Microscopic hematuria is an uncommon inaugural sign of kidney tumors in you ng asymptomatic patients. Renal clear-cell carcinoma,vas diagnosed in a 23- year-old female explored for microscopic hematuria. Radical nephrectomy rem oved a 7cm tumor without local extension. The cytogenic study of the tumor disclosed X;1 translocation. The patient also had IgA deficiency. Von Hippel-Lindau disease or a cytogenetic abnormality in the tumor are to be searched for in young adults with renal clear-cell carcinoma.