Solitary Intrarenal Cyst Causing Hypertension

Abstract

UNILATERAL renal cysts are a rare cause of hypertension. There are few published reports of this association in the English or foreign-language literature.1 2 3 4 5 6 7 In none of these patients has renin activity been measured. We have recently seen an adolescent with hypertension associated with a large unilateral renal cyst, renin production limited to the involved kidney, and cure of hypertension after decompression of the cyst.Case ReportA 14-year-old boy was found to have a blood pressure of 130/90 mm Hg during a follow-up examination for aseptic necrosis of the tibial tubercles. Seven months earlier his blood pressure had been 108/70 . . .