Four left renal arteries — a rare variant of kidney arterial supply

Wróbel, Grzegorz; Spałek, Michał; Kuchinka, Jacek; Kuder, T

doi:10.5603/fm.a2018.0046

Cited by 5 publications

(5 citation statements)

References 17 publications

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“…Bilateral variation in the arterial patterning was approximately 10% [23]. Wróbel G et al [39] found four left renal arteries in a 75-year-old female volunteer body donor. Kinnunen et al…”

Section: Discussionmentioning

confidence: 99%

Concomitant multiple anomalies of renal vessels and collecting system

et al. 2020

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Although anomalies of renal vessels and collecting system are relatively frequent, their concomitant occurrence is a rare event. During dissection of a 75-year-old male formalinembalmed cadaver, we found multiple variations in the renal vessels and renal collecting system. Both kidneys were normal in size and anteriorly malrotated, with duplex collecting system and duplex ureter. One ureter drained the upper part of the kidney and the second ureter drained the lower part of the kidney. Superior and inferior collecting systems were separated by renal parenchyma. The right kidney had two renal arteries, the first renal artery (main renal artery) originating from the abdominal aorta, passing behind the inferior vena cava and entering the kidney through the superior and inferior renal hilum. The second artery was the inferior polar artery. In addition, the right kidney had two renal veins as well. Three renal tributaries emerged from the upper and lower portion of the right renal hilum, and they joined to form the main renal vein which drained into the inferior vena cava. The lower renal vein was the inferior polar vein. The left kidney had four renal arteries (two hilar arteries and two polar arteries). The main left renal vein emerged from both superior and inferior left renal hilum, passed in front of the abdominal aorta and drained into the inferior vena cava. The left kidney also had the inferior polar vein which was divided behind the aorta (retro aortic vein) into two venous trunks. These venous trunks drained separately into posteromedial aspect of the inferior vena cava. Finally, the right testicular vein was formed by two tributaries and drained into the inferior vena cava, whereas the two left testicular veins drained separately into the left main renal vein.

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“…Bilateral variation in the arterial patterning was approximately 10% [23]. Wróbel G et al [39] found four left renal arteries in a 75-year-old female volunteer body donor. Kinnunen et al…”

Section: Discussionmentioning

confidence: 99%

Concomitant multiple anomalies of renal vessels and collecting system

et al. 2020

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“…The current case is classified as an incomplete rotation as the renal hilum is anteriorly positioned. In the case reported by Wrobel et al [15], the left renal artery was crossing anteriorly in the transverse direction to the kidney forming a loop to reach the hilum, and the hilum of the left kidney was observed along the lateral border of the organ. The extra-renal calyx is a rare congenital defect and its development mechanism is still unclear [16].…”

Section: Discussionmentioning

confidence: 86%

Kidney malrotation with aberrant renal arteries and extra-renal calyces - case report

Hbumuremyi,

Niyibigira,

Archibong

et al. 2024

rmj

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Variations in the ureteral patterning, venous, and arterial of the kidneys are common; however, concomitant involvement with two systems is rare. The current case was discovered during a routine dissection course that took place in the Human Anatomy laboratory of the University of Rwanda. While dissecting the retroperitoneal space of one specimen, it was realized that the right kidney was mal-rotated with a ureter connected to the anterior side. That right kidney also had two aberrant arteries in addition to the main renal artery, those two aberrant arteries emerged from the inferior pole of the kidney. Renal arterial variants may be grouped as supernumerary, multiple, and aberrant, in the current case it is aberrant. It is expected that the kidney rotates from anterior to medial around the longitudinal axis during development, and the renal hilum turns toward the medial direction. However, in the current case, the hilum faced anteriorly.

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“…According to Gulas et al, the range of the frequency of multiple renal arteries depending on ethnicity is between 4% (Malaysians) and 61.5% (Indians) [14]. In the Polish population, the variability of multiple renal arteries seems to be between 11.2% and 38.3% [15]. This difference can be explained by the wide range of the prevalence of aRAs as showed by Satyapal et al (9-76%, average 28%) [13].…”

Section: Discussionmentioning

confidence: 95%

Incidence and Variations of Aberrant Renal Arteries in Kidney Donors Cases

2020

MLU

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The origin of renal arteries, vessel diameter, and point of entry to the kidney has all been analyzed as potential parameters which are a clinically relevant issue. This anatomical feature may be essential for fully understanding the process of renal perfusion, as it is not only the number of renal arteries that influences the extent of renal blood supply, also their diameter. The aberrant renal arteries that supply the inferior pole are more important because it provides arterial supply to the proximal part of the ureter. The objective of this study is to identify influences and prevalence of aberrant renal arteries of the kidney donors' cases to perform role of the aberrant renal artery.Prevalence of aberrant renal artery was identified in 26.3% of the cases, incidence was more frequent in left than right side; about 78.7 % of cases presented unilaterally. The remaining cases 21.2 % were RAs presented bilaterally. Diameter of main RA in kidney presenting the RA was 5.73 mm and that of kidney with only single renal artery was 6.19 mm.

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Four left renal arteries — a rare variant of kidney arterial supply

Cited by 5 publications

References 17 publications

Concomitant multiple anomalies of renal vessels and collecting system

Concomitant multiple anomalies of renal vessels and collecting system

Kidney malrotation with aberrant renal arteries and extra-renal calyces - case report

Incidence and Variations of Aberrant Renal Arteries in Kidney Donors Cases

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