Uncomplicated, Solitary, Serous Renal Cyst With Hypertension Relieved by Nephrocystectomy

T H E investigative impetus, from the brilliant researches by Goldblatt and his associates and others * » 2»8 on the establishment of elevated blood pressure by interference with the renal blood supply of animals and by various operative procedures on the kidneys and ureters of animals, has produced, in the past two years, a large clinical literature on the renal basis for hypertension.4 * 5 » e»24 Experimentally, removal of the diseased kidney has abolished the hyperten-sion.2 ' 7 This has been observed in man after nephrectomy.4'5 That the fall in blood pressure in long standing renal disease may not reach normal, after nephrectomy has been performed, has also been demonstrated.6 We feel that the following case is noteworthy because it demonstrates the production of hypertension from renal atrophy with interstitial fibrosis due to pressure from the growing cyst without antecedent infection. It is also worthy of recognition because the patient was normotensive three and one-half years after nephrocystectomy. CASE REPORT H. H., aged 40, male, Negro, was admitted to the surgical service of Dr. John O.