To analyze the prevalence and incidence of clinical symptoms of retroaortic left renal vein (RLRV) diagnosed incidentally over 10 years by computed tomography (CT).
7,929 consecutive patients (out- and inpatients) were studied with multidetector CT from January 2000 to April 2011. We retrospectively reviewed RLRV patients" medical records and analyzed their clinical characteristics.
A total of 61 out of 7,929 patients had a RLRV, therefore the prevalence was 0.77%. Only 4 of 61 (6.6%) RLRV patients diagnosed by CT scan were clinically symptomatic. RLRV was associated with flank pain and microhematuria in one patient (1.6%), in another one with microhematuria only and in one with ureteropelvic junction obstruction. Furthermore, one patient suffered from arterial hypertension associated with a RLRV.
RLRV is a rare finding, and only a small minority of RLRVs causes symptoms. © 2015 S. Karger AG, Basel.
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