Anatomic study of corona mortis artery by CT angiography combined with three-dimensional reconstruction technology
Yang Guoqing1, Rui Min2, Du Xingye2, Yin Xiaojun2, Zhang Yunqing2
1Affiliated Jiangyin Clinical College of Xuzhou Medical University, Jiangyin 214400, China; 2Department of Orthopaedics, Jiangyin People's Hospital, Jiangyin 214400, China
Abstract:Objective This study aimed to investigate the incidence, origin, course, and location of corona mortis (CMOR) artery to provide morphological basis for anterior pelvic approach surgery.Methods From June 2018 to June 2020, 112 patients (224 hemi-pelvises) underwent CTA, including 68 males and 44 females (aged 28-92 years). The incidence, origin, and course of CMOR artery were observed by three-dimensional reconstruction of CTA images. The incidence of the CMOR artery was compared between males and females and left and right hemi-pelvises. The diameter of the artery, the shortest distance from the upper edge of the superior pubic branch, and the distance from the middle point of the upper edge of the pubic symphysis were measured. The ratio of the vertical distance from the artery to the sagittal plane of the pubic symphysis and the vertical distance from the ipsilateral anterior superior iliac spine to the sagittal plane was calculated.Results Forty CMOR arteries were found in 224 hemi-pelvises 17.86%(40/224); among them, 19.12%(26/136) and 15.91%(14/88) were in males and females, respectively, and 16.07%(18/112) and 19.64%(22/112) were in the right and left sides, respectively. No significant difference was found (χ2=0.375, 0.487, all P values>0.05). The diameter of the CMOR artery was (2.01±0.34) mm; the shortest distance between the CMOR artery and the upper edge of the superior pubic branch was (3.41±1.22) mm. The distance between the CMOR artery and the midpoint of superior pubic symphysis was (58.34±6.42) mm, which was (55.15±3.25)mm and (64.26±6.69) mm in males and females, respectively (t=-4.643, P<0.01). The ratio of the vertical distance from the artery to the sagittal plane of the pubic symphysis to that from the ipsilateral superior iliac spine to the sagittal plane was 0.38±0.04, which was 0.36±0.03 and 0.42±0.04 in male and female, respectively; the difference was statistically significant (t=-4.897, P<0.01).Conclusions The 3D reconstruction technology can clearly and accurately construct the 3D model of the CMOR artery and accurately measure its related anatomical parameters, which can help formulate a personalized surgical plan, guide the intraoperative approach, and reduce the risk of CMOR artery injury.
杨国庆, 芮敏, 独行业, 殷小军, 张云庆. CT血管造影结合三维重建技术对Corona Mortis动脉的解剖学研究[J]. 中华解剖与临床杂志, 2021, 26(1): 45-49.
Yang Guoqing, Rui Min, Du Xingye, Yin Xiaojun, Zhang Yunqing. Anatomic study of corona mortis artery by CT angiography combined with three-dimensional reconstruction technology. Chinese Journal of Anatomy and Clinics, 2021, 26(1): 45-49.
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