The double retro-aortic left renal vein

Kyung, Dong-Soo; Lee, Jae-Ho; Shin, Deuk-Yong; Kim, Dae-Kwang; Choi, In‐Jang

doi:10.5115/acb.2012.45.4.282

Cited by 21 publications

(12 citation statements)

References 10 publications

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“…However, the partial duplication type in this study differs from that of the previous study in its traversing dorsal to the aorta. The partial duplication type could relate to the origin of the supracardinal veins in the dorsolateral aspect of the aorta; this is feasible considering the possible persistence of the supracardinal veins at the caudal portion of the prerenal segment, as in the developments of different anomalies reported in humans . In addition, the previous study reported that in 50% of the partial duplication types, the left gonadal vein directly joins the left CVC .…”

Section: Discussionmentioning

confidence: 94%

“…The partial duplication type could relate to the origin of the supracardinal veins in the dorsolateral aspect of the aorta 33 ; this is feasible considering the possible persistence of the supracardinal veins at the caudal portion of the prerenal segment, as in the developments of different anomalies reported in humans. 34 In addition, the previous study reported that in 50% of the partial duplication types, the left gonadal vein directly joins the left CVC. 14 However, in our study, all of the partial duplication types showed the left gonadal vein joining the left renal vein.…”

Section: Single Left-sided Caudal Vena Cava Type: Left-sidednessmentioning

confidence: 98%

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CT variants of the caudal vena cava in 121 small breed dogs

Ryu

Choi

et al. 2019

Vet Radiology Ultrasound

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Computed tomography is increasingly used as a treatment planning method in canine patients with diseases of the retroperitoneum, however, published information on normal variations in the caudal vena cava (CVC) are currently lacking. The objectives of this retrospective descriptive study were to characterize CVC variants using CT angiography in a sample of small breed dogs and localize the CVC bifurcations for each variant. Inclusion criteria were small breed dogs (weight ≤ 15) that underwent contrast‐enhanced CT scans of the CVC, abdominal aorta, and CVC tributaries. A total of 121 small breed dogs were sampled. Four right‐sided and one left‐sided CVC variations were identified: normal (88/121, 72.7%), caudal‐partial split (17/121, 14.0%), partial duplication (8/121, 6.6%), complete duplication (7/121, 5.8%), and left‐sidedness (1/121, 0.8%). The mean lumbar vertebral levels of the CVC bifurcation were L6.39 ± 0.41, L5.70 ± 0.35, L4.39 ± 0.42, L2.74 ± 0.38, and L6.4 in the normal, caudal‐partial split, partial duplication, complete duplication, and left‐sidedness types, respectively. The location of the CVC bifurcation, the relationship between the aortic trifurcation and the CVC bifurcation, and the location of the bilateral deep circumflex iliac veins with respect to the CVC bifurcation were significantly different among the right‐sided types (P ≤ .001). Bilateral deep circumflex iliac veins joined to the ipsilateral common iliac veins and the CVC in the caudal‐partial split and duplication types, respectively. The results of this study indicated that canine CVC variants may be frequent and should be considered during surgery or diagnostic imaging of the retroperitoneum.

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Section: Discussionmentioning

confidence: 94%

Section: Single Left-sided Caudal Vena Cava Type: Left-sidednessmentioning

confidence: 98%

CT variants of the caudal vena cava in 121 small breed dogs

Ryu

Choi

et al. 2019

Vet Radiology Ultrasound

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“…The mechanisms underlying left renal vein variations seem to be closely associated with the embryologic development of the abdominal renal vein. During the embryological period, two cardinal veins develop, forming an anastomosis ventral and dorsal to the aorta [10] , [11] . Usually, during the embryologic development and regression, the distal part of the IVC develops from the right subcardinal vein, and the left renal vein from the transverse ventral anastomosis.…”

Section: Discussionmentioning

confidence: 99%

A rare anomaly of left renal vein drainage into the left common iliac vein: A case report

Kawai

Tanaka

Watanabe

2016

International Journal of Surgery Case Reports

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“…Renal vessels demonstrate huge anatomical variability as regards to their number, level of origin, diameter and topographical relationships [2, 8-10, 17, 19, 25, 26, 30-36]. In particular, it applies to the left renal vein which can present retroaortic [1,10,12,15] or even circumaortic placement [7,11,13,20,27]. Thus, the left renal vein may be a single vessel or double -with two limbs: one located anterior and the second posterior to the abdominal aorta [5,19,33].…”

Section: Introductionmentioning

confidence: 99%

Circumaortic left renal vein (circumaortic renal collar) associated with the presence of vascular anomalies: a case series and review of literature

et al. 2019

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Renal vessels exhibit a high degree of anatomical variations in terms of their number, level of origin, diameter and topographical relationships. In particular, it applies to the left renal vein which can take retroaortic or even circumaortic placement. Anatomical variations of the left renal vein may be of great clinical significance, particularly in the case of renal transplantation, retroperitoneal surgery as well as vascular or diagnostic procedures. Thus, the aim of this report was to present a complete anatomical description of two cases of the circumaortic left renal vein (CLRV; circumaortic renal collar) co-existing with the presence of various vascular anomalies. In the first case, the circumaortic renal collar was connected via a large anastomosis with the hemiazygos vein and was associated with the presence of the supernumerary left renal artery located below the main left renal artery. In the second case, the circumaortic renal collar was accompanied by the renal artery dividing close to its origin. Moreover, in the latter case, the fusiform aneurysm of the abdominal aorta was observed. In both cases, the CLRV began as a single and short trunk. On its further course, the initial segment of the CLRV was divided into two limbs-anterior (anterior left renal vein) and posterior (posterior left renal vein). Both anterior and posterior limb of the CLRV opened into the inferior vena cava.

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The double retro-aortic left renal vein

Cited by 21 publications

References 10 publications

CT variants of the caudal vena cava in 121 small breed dogs

CT variants of the caudal vena cava in 121 small breed dogs

A rare anomaly of left renal vein drainage into the left common iliac vein: A case report

Circumaortic left renal vein (circumaortic renal collar) associated with the presence of vascular anomalies: a case series and review of literature

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