Benign prostatic hyperplasia (BPH) wani yanayi ne na likita wanda ke shafar glandar prostate a cikin maza. Yana da ba-karuwa girma na prostate gland shine yake, wanda zai iya haifar da matsaloli tare da fitsari. BPH wani yanayi ne na kowa wanda yawanci yakan faru a cikin maza sama da shekaru 50. Kalmar "mai kyau" tana nufin cewa girma ba ya haifar da ciwon daji ba, kuma "prostate" yana nufin glandan prostate. "Hyperplasia" yana nufin karuwa a cikin adadin kwayoyin halitta a cikin nama ko gabobin jiki, a wannan yanayin, karuwa a yawan adadin kwayoyin halitta a cikin glandar prostate.