| prevalence of corynebacterium urealyticum in urine specimens collected at a university-affiliated medical center. | corynebacterium urealyticum (formerly corynebacterium group d2) has been implicated as a cause of alkaline-encrusted cystitis and urinary tract struvite calculi. despite preselecting urine specimens with neutral and alkaline phs and using prolonged incubation on a selective medium, isolation of this organism was rarely observed in a population of hospitalized patients. we do not recommend routine cultures for this organism unless the urine is alkaline and struvite crystals, leukocytes, and eryth ... | 1994 | 8051278 |