... hypertension Plasma renin activity Abstract. To study the role of renal prostaglandins (PGs) in renovascular hypertension, PGE2 and PGF2a concentrations in both inner and outer medullae of the kidney were mea­ sured by radioimmunoassay in rabbits with hypertension produced by left renal artery con­ striction...

... and an elevated level of plasma renin activity was seen at the initial evaluation. Computerized tomographic angiography revealed tumor vessels in the low-density mass in the right kidney. The preoperative diagnosis was renin-secreting tumor of the kidney, and nephron-sparing surgery was performed...