Clinical anatomic and histological observation of the round ligament of femoral head in the operation of senile femoral neck fracture
Chen Yanzhao1,2, Lu Qilin2, Wu Haiyang2, Xu Zhaoyang2, Cai Xianhua2
1Hubei University of Chinese Medicine, Wuhan 430071, China; 2Hubei Bone Trauma Treatment Clinical Medical Research Center, Department of Orthopedic, Central Theater Command General Hospital of the Chinese People's Liberation Army, Wuhan 430070, China
Abstract:Objective To investigate the trajectory ,morphology, attachment point anatomy and histological characteristics of femoral round ligaments.Methods A prospective study was conducted on the 25 patients with femoral neck fractures who underwent arthroplasty at the Department of Orthopaedics, Wuhan General Hospital of the People's Liberation Army from August 2017 to June 2018, aged 63-88 years, mean 78 years, 15 males and 10 females. Firstly, the round ligament was close to the concave attachment point of the femoral head. After the femoral head was removed, the fixation point of the round ligament on the acetabulum and the characteristic of its movement was observed.Then the round ligaments were slowly excised by an electric knife at the attachment point of acetabular fossa.The length of the round ligament of the femoral head was measured and the tissue was observed Results All 25 cases of femoral head round ligament originated from the acetabular transverse ligament, which was divided into anterior and posterior bundles to the femoral head concave. The anterior bundle was marked by depression and then divided into two bundles. The depression was temporarily named “Cai's fossa”. The posterior bundle was attached to the acetabular transverse ligament around the acetabular horseshoe fossa and covered the acetabular horseshoe fossa with “sucker-like” covering the acetabular horseshoe fossa The length of the round ligament of the femoral head was (24.8±3.8) mm. The round ligament of femoral head consists of collagen, adipose tissue, synovial tissue and blood vessels.Conclusions As the only connection between the square area of the acetabulum and the femoral head, the round ligament of the femoral head can well resist traction and has strong biomechanical functions.
陈岩召, 鲁齐林, 吴海洋, 徐兆洋, 蔡贤华. 老年人股骨颈骨折术中股骨头圆韧带临床解剖学及组织学观察[J]. 中华解剖与临床杂志, 2019, 24(1): 47-51.
Chen Yanzhao, Lu Qilin, Wu Haiyang, Xu Zhaoyang, Cai Xianhua. Clinical anatomic and histological observation of the round ligament of femoral head in the operation of senile femoral neck fracture. Chinese Journal of Anatomy and Clinics, 2019, 24(1): 47-51.
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