Internal Iliac Arteries

Tunstall, Richard

doi:10.1002/9781118430309.ch56

Cited by 6 publications

(16 citation statements)

References 108 publications

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“…The abdominal aorta divides into the right and left common iliac arteries in the range of L3–L5, with the most common site being anterolateral to the left side of L4. Each CIA normally bifurcates into the EIA and IIA within the range of the L4–L5 disc and the mid-height of the S2 vertebra [ 11 , 13 , 27 , 28 ]. The EIA mainly supplies the lower limbs.…”

Section: Discussionmentioning

confidence: 99%

“…The OA is a parietal extrapelvic branch of the IIA that usually arises from its anterior division (21–88.9% occurrence rate) with the obturator vein (OV) draining into the internal iliac vein (IIV) [ 3 , 5 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 21 , 23 , 27 , 28 , 29 , 30 , 31 , 32 , 34 , 35 , 36 , 37 , 38 , 39 ]. The OA usually arises either on the lateral or dorsolateral surface of the anterior division.…”

Section: Discussionmentioning

confidence: 99%

“…Understanding the possible OA origin variations is important while performing pelvic and groin surgeries requiring appropriate ligation. In instances of acute pelvic or groin trauma, such varying origins may be a significant source of persistent hemorrhages that are difficult to manage [ 10 , 11 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 ]. Thus, OA origin variations are an important anatomical topic for a range of medical fields as varied as gynecology, orthopedics, and urology [ 25 , 26 ].…”

Section: Introductionmentioning

confidence: 99%

“…The abdominal aorta divides into the right and left common iliac arteries, which further subdivide into the external iliac artery (EIA) and the internal iliac artery (IIA) on each side [ 11 , 13 , 27 , 28 ]. The EIA mainly supplies the lower limbs.…”

Section: Introductionmentioning

confidence: 99%

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Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study

2020

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The occurrence of an aberrant obturator artery is common in human anatomy. Detailed knowledge of this anatomical variation is important for the outcome of pelvic and groin surgeries requiring appropriate ligation. Familiarity with the occurrence of an aberrant obturator artery is equally important for instructors teaching pelvic anatomy to students. Case studies highlighting this vascular variation provide anatomical instructors and surgeons with accurate information on how to identify such variants and their prevalence. Seven out of eighteen individuals studied (38.9%) exhibited an aberrant obturator artery, with two of those individuals presenting with bilateral aberrant obturator arteries (11.1%). Six of these individuals had an aberrant obturator artery that originated from the deep inferior epigastric artery (33.3%). One individual had an aberrant obturator artery that originated directly from the external iliac artery (5.6%).

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study

2020

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“…The ductus deferens (in males) or round ligament of the uterus (in females) loop around the inferior epigastric artery prior to passing through the inguinal canal (Standring ; Moore et al ), effectively anchoring the artery in place at the medial border of the deep ring. This makes the inferior epigastric artery a relatively reliable marker for the medial border of the deep inguinal ring in all age groups, despite the potential variability in its point of origin (Tunstall ). Furthermore, the position of the deep inguinal ring in the 18–19 year age group (Fig.…”

Section: Discussionmentioning

confidence: 99%

Age‐related changes in inguinal region anatomy from 0 to 19 years of age

et al. 2019

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Knowledge of the age-related changes in inguinal region anatomy is essential in pediatric urological and abdominal surgery, yet little is published. This study aimed to determine the position of inguinal region structures and growth of the surrounding pelvis and inguinal ligament in subjects from 0 to 19 years of age. Anonymized contrast-enhanced CT DICOM datasets of 103 patients (63 male: 40 female) aged from 0 to 19 years had left and right sides analyzed by three independent observers. Exclusion criteria were applied. Growth of the pelvis and inguinal ligament were determined using fixed bony reference points. The position of the deep inguinal ring and femoral vasculature were determined as ratio of inguinal ligament length, measured from the anterior superior iliac spine. Growth of the pelvis in vertical and horizontal dimensions and of the inguinal ligament followed a positive polynomial relationship with increasing age, with no observed increase in growth rate during puberty. From 0 to 19 years, the deep inguinal ring moved superolaterally with respect to the inguinal ligament (from 0.74 to 0.60 of the distance along the inguinal ligament) and the femoral artery and vein moved medially (from 0.50 to 0.58, and 0.61 to 0.65 of the distance along the inguinal ligament, respectively). The position of the femoral artery, vein, and deep inguinal ring followed a logarithmic relationship with age. No significant left:right side or male:female differences were observed. From 0 to 19 years of age the femoral vasculature and deep inguinal ring change position as the pelvis grows around them. Clin. Anat. 32:794-802, 2019.

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Human anatomic variations: common, external iliac, origin of the obturator, inferior epigastric and medial circumflex femoral arteries, and deep femoral artery course on the medial side of the femoral vessels

2017

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Probably, the most variable anatomic pattern relates to the iliac arteries system. There are reported here multiple rare anatomic variants found in a single case, at CT evaluation: (a) the unilaterally present common trunk of origin of the obturator, inferior epigastric, and medial circumflex femoral arteries and (b) the medial insertion of the deep femoral artery (DFA) onto the femoral artery, which placed the DFA initially on the medial side of the femoral vein. Such rare, but possible, anatomic variations should recommend surgeons to plan the procedures on a case-by-case basis.

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Internal Iliac Arteries

Cited by 6 publications

References 108 publications

Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study

Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study

Age‐related changes in inguinal region anatomy from 0 to 19 years of age

Human anatomic variations: common, external iliac, origin of the obturator, inferior epigastric and medial circumflex femoral arteries, and deep femoral artery course on the medial side of the femoral vessels

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