RT Journal A1 Steinberg L, Klein S, Susman N T1 BLeeding renal vascular malformations JF JAMA JO JAMA YR 1969 FD August 18 VO 209 IS 7 SP 1084 OP 1085 DO 10.1001/jama.1969.03160200048020 UL http://dx.doi.org/10.1001/jama.1969.03160200048020 AB A renal arteriovenous malformation produced hematuria in a 28-year-old man. The vascular lesion was characterized and localized by renal arteriography. The site of bleeding was found in the nephrectomy specimen. Surgical intervention, although utilized for this patient, is not always necessary, as bleeding may stop spontaneously.