Vol 74, No 4 (2015)
Case report
Published online: 2015-11-27

open access

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Anomalous connection of the left posterior renal vein with the left ascending lumbar vein in a Japanese cadaver

H. Terayama, S.-Q. Yi, S. Shoji, O. Tanaka, T. Kanazawa, N. Kosemura, M. Tamura, M. Sekiguchi, M. Naito, T. Akamatsu, K. Sakabe
DOI: 10.5603/FM.2015.0121
Pubmed: 26620520
Folia Morphol 2015;74(4):544-547.


A rare variation was found in one of the two left renal veins in a 94-year-old male cadaver undergoing routine dissection. The characteristic findings in the cadaver included, in addition to the primary left renal vein, the presence of a posterior left renal vein draining to the left ascending lumbar vein without communicating with the inferior vena cava and other renal veins. Variations in the number and arrangement of the vessels terminating in the renal veins are common, but to our knowledge, variation similar to our findings has not been previously reported. This variation may represent an immature form of the complicated development of the renal vessels.