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Abstract

Volume 8, Issue 1 (January 2006) 8, 107–110; 10.1111/j.1745-7262.2006.00101.x

Left testicular artery arching over the ipsilateral renal vein

Munekazu Naito, Hayato Terayama, Yoichi Nakamura, Shogo Hayashi, Takayoshi Miyaki and Masahiro Itoh

Department of Anatomy, Tokyo Medical University, Tokyo 160-8402, Japan

Correspondence: Dr Munekazu Naito, Department of Anatomy, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan. Fax: +81-3-3341-1137. E-mail: munekazu@tokyo-med.ac.jp

Received 11 April 2005; Accepted 26 September 2005.

Abstract

Aim: To report two cases of the left testicular artery arching over the left renal vein (LRV) before running downward to the testis.

Methods: The subjects were obtained from two Japanese cadavers. During the student course of gross-anatomical dissection, the anatomical relationship between the testicular vessels and the renal vein was specifically observed.

Results: The arching left testicular artery arose from the aorta below the LRV and made a loop around the LRV, which appeared to be mildly compressed between the arching artery and the psoas major muscle.

Conclusion: Clinically, compression of the LRV between the abdominal aorta and the superior mesenteric artery occasionally induces LRV hypertension, resulting in varicocele, orthostatic protenuria and hematuria. Considering that the incidence of a left arching testicular artery is higher than that of a right one, an arching left artery could be an additional cause of LRV hypertension.

Keywords: anatomy, testis, blood vessels

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