Department of Orthopedic and Trauma Surgery, Hospital Asepeyo Sant Cugat, Avenida Alcalde Barnils 54-60, 08174, Sant Cugat del Vallès, Barcelona, Spain.
Knee Surg Sports Traumatol Arthrosc. 2010 Feb;18(2):254-7. doi: 10.1007/s00167-009-0913-y. Epub 2009 Sep 26.
True ossicle in the distal portion of the malleolus is only sporadically observed, and related disease has been rarely reported. We present two cases of atypical ankle impingement resulting from an ankle sprain. Plain radiographs revealed true submalleolar ossicles. Conservative treatment failed, and arthroscopy was performed. Instability of the ossicle and surrounding fibrotic soft tissue was evident; a gap between the ossicle and the tip of the malleolus seen during plantar flexion of the ankle disappeared in dorsal flexion, resulting in compression of the surrounding soft tissue. Arthroscopic excision of the accessory ossicle relieved the symptoms and enabled both patients to return to full preinjury activities.
距骨远端的真性骨赘仅偶尔观察到，相关疾病也很少报道。我们报告了两例由踝关节扭伤引起的非典型踝关节撞击症病例。X 线平片显示距骨下真性骨赘。保守治疗无效，行关节镜检查。骨赘及其周围纤维软组织结构不稳定；踝关节跖屈时可见骨赘与外踝尖端之间有间隙，背屈时间隙消失，导致周围软组织受压。关节镜下切除副骨赘缓解了症状，使两名患者均能完全恢复受伤前的活动。
