Nakashima Hirotaka, Miyamoto Osamu, Aoki Takatoshi, Ueno Midori, Murata Yoichi, Quinn Patrick, Takada Shinichiro, Nakayama Keisuke, Sakai Akinori, Uchida Soshi
Department of Orthopaedic Surgery, Wakamatsu Hospital of the University of Occupational and Environmental Health, 1-17-1, Hamamachi Wakamatsu, Kitakyushu, Fukuoka, 808-0024, Japan.
Department of Radiology, University of Occupational and Environmental Health, 1-1, Iseigaoka Yahatanishi, Kitakyushu, Fukuoka, 807-8556, Japan.
Skeletal Radiol. 2025 May 22. doi: 10.1007/s00256-025-04953-y.
To compare Anterior Inferior Iliac Spine (AIIS) morphology between femoroacetabular impingement (FAI) and developmental dysplasia (DDH) and investigate the correlation between AIIS and hip morphology.
374 patients (423 hips) who underwent primary hip arthroscopic surgery were retrospectively reviewed. The inclusion criteria were patients with labral tears and either FAI or DDH. Preoperative demographics and imaging variables were compared. Patient demographics, including age, sex, and body mass index, were assessed. For imaging evaluation, the lateral center edge (LCE), sharp, vertical center anterior (VCA), alpha, and Tönnis angles and AIIS morphology according to Hetsroni's classification were assessed.
310 patients (359 hips) were included in this study. The FAI cases involved 241 hips (148 males, 93 females), and the DDH cases involved 118 hips (34 males, 84 females). AIIS type 3 included 10 hips (4.1%) in the FAI group and 21 hips (17.8%) in the DDH group. The proportion of AIIS type 3 in the DDH group was significantly higher than that in the FAI group (chi-squared test, p < 0.001). In the FAI group, there were no significant correlations between AIIS and radiographic parameters. In the DDH group, there were significant correlations between AIIS and the LCE (R = -0.279, p = 0.002), VCA (R = -0.194, p = 0.037), and Tönnis (R = 0.241, p = 0.009) angles.
AIIS type 3 was more prevalent in DDH than in FAI patients. In DDH patients, there was a significant correlation between AIIS protrusion and the severity of dysplasia.
比较股骨髋臼撞击症（FAI）和发育性髋关节发育不良（DDH）患者的髂前下棘（AIIS）形态，并研究AIIS与髋关节形态之间的相关性。
回顾性分析374例行初次髋关节镜手术的患者（423髋）。纳入标准为伴有盂唇撕裂且患有FAI或DDH的患者。比较术前人口统计学和影像学变量。评估患者的人口统计学特征，包括年龄、性别和体重指数。对于影像学评估，测量外侧中心边缘（LCE）、Sharp角、垂直中心前（VCA）角、α角和Tönnis角，并根据Hetsroni分类评估AIIS形态。
本研究共纳入310例患者（359髋）。FAI病例涉及241髋（男性148例，女性93例），DDH病例涉及118髋（男性34例，女性84例）。FAI组中AIIS 3型有10髋（4.1%），DDH组中有21髋（17.8%）。DDH组中AIIS 3型的比例显著高于FAI组（卡方检验，p<0.001）。在FAI组中，AIIS与放射学参数之间无显著相关性。在DDH组中，AIIS与LCE（R=-0.279，p=0.002）、VCA（R=-0.194，p=0.037）和Tönnis（R=0.241，p=0.009）角之间存在显著相关性。
AIIS 3型在DDH患者中比在FAI患者中更常见。在DDH患者中，AIIS突出与发育不良的严重程度之间存在显著相关性。
