Juxtaglomerular cell tumor

Medical condition

Juxtaglomerular cell tumor is an extremely rare kidney tumour of the juxtaglomerular cells, with fewer than 100 cases reported in literature. This tumor typically secretes renin, hence the former name of reninoma. It often causes severe hypertension that is difficult to control, in adults and children, although among causes of secondary hypertension it is rare. It develops most commonly in young adults, but can be diagnosed much later in life. It is generally considered benign, but its malignant potential is uncertain.

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