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International Urogynecology Journal

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22-04-2023 | Computed Tomography | Original Article

Anatomy of the internal iliac vein around the sacral promontory based on CT three-dimensional (3D) reconstruction

Authors: Ping Shen, Jiaxin Fu, Wenling Zhang, Ting Wen, Chunlin Chen, Ping Liu

Published in: International Urogynecology Journal | Issue 9/2023

Abstract

Introduction and hypothesis

The area around the sacral promontory (SP) is the targeted location of various pelvic operations. We examined the internal iliac vein (IIV) configurations around the SP by computed tomography angiography (CTA) three-dimensional (3D) reconstruction to describe its anatomy and provide accurate anatomical parameters for relevant operations to reduce intraoperative vascular injury.

Methods

We retrospectively studied 2078 CTA 3D model datasets from Nanfang Hospital patients examined for gynecological diseases from December 2009 to October 2020. The IIVs of the above cases were divided into standard and variant IIVs, and variant IIVs were subdivided into different subtypes. To compare the size of the avascular area around the SP between standard and variant IIVs, we selected the two subtypes with the highest variation rate for comparison with the standard IIV type.

Results

The most common types of variant IIVs were 5a (5.15%) and 3a (5.05%). The results showed larger values in the standard group than in the 3a and 5a groups for the confluence of common iliac vein (CCIV) height (37.73±12.05 vs. 28.93±10.17 vs. 27.27±7.58 mm, P < 0.05), distance between the iliac vessels (49.47±9.47 mm vs. 37.08±9.36 vs. 37.73±8.94 mm, P < 0.05), and SP exposure width (44.94±6.39 mm vs. 36.83±8.29 vs. 36.93±7.91, P < 0.05).

Conclusions

Variant IIVs may increase the risk of surgery by reducing the avascular area compared with standard IIVs. Therefore, when operating around the SP, special attention should be given to variant IIVs and avoiding vascular injury.

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Title: Anatomy of the internal iliac vein around the sacral promontory based on CT three-dimensional (3D) reconstruction
Authors: Ping Shen
Jiaxin Fu
Wenling Zhang
Ting Wen
Chunlin Chen
Ping Liu
Publication date: 22-04-2023
Publisher: Springer International Publishing
Keywords: Computed Tomography
Computed Tomography
CT Angiography
Published in: International Urogynecology Journal / Issue 9/2023
Print ISSN: 0937-3462
Electronic ISSN: 1433-3023
DOI: https://doi.org/10.1007/s00192-023-05500-w

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Anatomy of the internal iliac vein around the sacral promontory based on CT three-dimensional (3D) reconstruction

Abstract

Introduction and hypothesis

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Introduction and hypothesis

Methods

Results

Conclusions

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