Variations in internal iliac veins detected using multidetector computed tomography

Morita, Satoru; Saito, N.; Mitsuhashi, Norio

doi:10.1080/02841850701589308

Cited by 24 publications

(22 citation statements)

References 14 publications

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“…The anatomic variations and the congenital anomalies of these vessels have been well explained. 3 We reported a complex anatomic variation of retroperitoneal veins, which, to the best of our knowledge, has not been mentioned before in the literature. …”

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confidence: 85%

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Uncommon Complex Anomaly of Inferior Vena Cava and Left Iliac Vein Demonstrated by Multidetector-Row CT Angiography

Oğul

Yuce

Yalçın

et al. 2014

International Surgery

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Retroperitoneal venous anomalies have clinical importance in retroperitoneal and pelvic surgery. Multidetector-row computed tomography (CT) angiography is an important imaging method to be preferred in evaluating vascular structures in this locality. We describe a complex retroperitoneal venous anomaly with a multidetector-row CT angiography.Key words: Complex venous anomaly -Inferior vena cava -Iliac vein -Multidetector-row CT imaging C ongenital venous abnormalities in the retroperitoneal space are relatively infrequent, and are usually recognized incidentally. These anomalies have clinical importance in retroperitoneal and pelvic surgery.1 The inferior vena cava (IVC) is formed by the junction of the common iliac veins. Congenital anomalies of the IVC are uncommon, having an incidence of 0.5% to 3%. 2 The most common major venous anomalies occurring in the retroperitoneum include transposition of the IVC, the double IVC, the circumaortic renal collar, and the retroaortic renal vein. Less common anomalies include the absence of the IVC, the absence of the hepatic segment of the IVC with azygos continuation, and the absence of the infrarenal segment of the IVC with preservation of the suprarenal segment. The position of the iliac veins is described according to the corresponding arteries. The common iliac veins are formed by the junction of the internal and external iliac veins. The anatomic variations and the congenital anomalies of these vessels have been well explained. 3 We reported a complex anatomic variation of retroperitoneal veins, which, to the best of our knowledge, has not been mentioned before in the literature. Case ReportA 20-year-old man had a history of abdominal bloating for several months and recent occasional

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confidence: 85%

“…2 The interiliac communicating vein is considered to be originated from iliac anastomosis between posterior cardinal veins. 3 The IVC is composed of 4 segments: hepatic, suprarenal, renal, and infrarenal. The hepatic segment is derived from the vitelline vein.…”

Section: Discussionmentioning

confidence: 99%

Uncommon Complex Anomaly of Inferior Vena Cava and Left Iliac Vein Demonstrated by Multidetector-Row CT Angiography

Oğul

Yuce

Yalçın

et al. 2014

International Surgery

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“…Its tributaries include the gluteal, internal pudendal, obturator, lateral sacral, middle rectal, vesical, uterine, and vaginal veins (Standring 2008). Morita et al (2007) observed that the right separated internal iliac vein drained into a central right common iliac vein in 1.6% (Fig. These were more common in females, with a female/male ratio of 1.7:1.…”

Section: Internal Iliac Veinmentioning

confidence: 95%

“…The external and internal iliac veins can join at a higher level, forming a short common iliac vein (Lotz and Seeger 1982;Morita et al 2007). Formation of the left common iliac vein at a higher level was seen in 7.9% by Morita et al (2007) (Fig.…”

Section: High Junctionmentioning

confidence: 99%

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Iliac Veins

Onkar¹

2016

Bergman's Comprehensive Encyclopedia of Human Anatomic Variation

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Anatomical variations of the internal iliac veins in the presacral area: Clinical implications during sacral colpopepxy or extended pelvic lymphadenectomy

et al. 2014

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The purpose of this study was to classify anatomical variations of the internal iliac vein (IIV) in relation to robotic or laparoscopic extended lymphadenectomy. Between March 2011 and July 2012, 60 consecutive patients underwent robotic or laparoscopic extended lymphadenectomy. We retrospectively reviewed surgical video clips and analyzed the pattern of the IIVs in the presacral area. IIV variations were classified into seven types: Type A, normal (n = 39, 65.0%); Type A with a dilated middle sacral vein (n = 5, 8.3%); Type B, left IIV connecting centrally to the left external iliac vein (n = 5, 8.3%); Type C, a separated trunk of the left IIV draining into the left central common iliac vein (CIV; n = 1, 1.7%); Type D, a separated trunk of the right IIV draining into the left central CIV (n = 8, 13.3%); Type E, a separated trunk of the right IIV draining into the right central CIV (n = 0, 0%); and Type F, separated trunks of the bilateral IIV connecting with each other before draining into the left central CIV (n = 2, 3.3%). The prevalence of IIV anomalies was 26.7%; the incidence of separated IIV trunks was 18.3%. To prevent life-threatening IIV injury during extended lymphadenectomy or sacral colpopexy, the anatomical variations of the IIVs should be known exactly.

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Variations in internal iliac veins detected using multidetector computed tomography

Abstract: MDCT demonstrates six types of IIV variations; the prevalence rate of IIV anomalies is not low.

Cited by 24 publications

References 14 publications

Uncommon Complex Anomaly of Inferior Vena Cava and Left Iliac Vein Demonstrated by Multidetector-Row CT Angiography

Uncommon Complex Anomaly of Inferior Vena Cava and Left Iliac Vein Demonstrated by Multidetector-Row CT Angiography

Iliac Veins

Anatomical variations of the internal iliac veins in the presacral area: Clinical implications during sacral colpopepxy or extended pelvic lymphadenectomy

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