Endocrinol Metab > Volume 20(2); 2005 > Article
Journal of Korean Endocrine Society 2005;20(2):168-173.
DOI: https://doi.org/10.3803/jkes.2005.20.2.168    Published online April 1, 2005.
A Case of Primary Reninism Manifested by Hypertension with Hypokalemia.
Hyung Jin Choi, Eui Sil Hong, Young Min Cho, Do Joon Park, Chan Soo Shin, Kyong Soo Park, Seong Yeon Kim, Bo Youn Cho, Hong Kyu Lee
Department of Internal medicine, Seoul National University College of Medicine, Korea.
Abstract
Primary reninism is a rare cause of hypertension manifesting along with hypokalemia. A high level of plasma renin activity and a high level of serum aldosterone are the whole markers of primary reninism. Upon making the diagnosis of primary reninism, other more common causes of aldosteronism must be differentiated, such as renovascular hypertension and primary aldosteronism. Primary reninism is commonly caused by juxtaglomerular cell tumor, which is one of the curable causes of hypertension, and this can be successfully treated by conservative surgery. We report here on a case of primary reninism that was caused by juxtaglomerular cell tumor that developed in a 22-year-old female patient. She was recently diagnosed with hypertension and hypokalemia. She had markedly elevated plasma renin activity and an increased serum aldosterone concentration. Computed tomography revealed a mass located in the right kidney and selective renal vein sampling suggested that the mass was secreting an excess of renin. Right nephrectomy was done and her hypertension with hypokalemia was successfully treated. We report here a case of primary reninism that presented with juxtaglomerular cell tumor along with a review of the literature
Key Words: Primary reninism, Juxtaglomerular cell tumor, Renin, Aldosterone, Hypertension, Hypokalemia


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