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Korean Circ J. 2015 Nov;45(6):531-534. English. Case Report. https://doi.org/10.4070/kcj.2015.45.6.531
Choi JH , Park TH , Kim MH , Kim YD , Rhyou HI , Rha SH , Park KJ , Woo JS .
Division of Cardiology, Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea. thpark65@dau.ac.kr
Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea.
Department of Pathology, Dong-A University College of Medicine, Busan, Korea.
Department of Cardiovascular Surgery, Dong-A University College of Medicine, Busan, Korea.
Abstract

Reninoma is a rare, renin-secreting, benign renal neoplasm that can cause secondary hypertension. We report a case of a 21-year-old man who suffered from progressively worsening headache for 2 months with a history of hypertension for 7 years. Laboratory studies showed normal potassium level, increased basal plasma renin activity, and normal serum aldosterone level. Abdominal computed tomography and magnetic resonance imaging revealed a small mass in the middle region of the right kidney. Partial nephrectomy was performed; immunohistochemical results demonstrated typical features of reninoma. Postoperatively, blood pressure and potassium level were normal at the 2-month follow-up.

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