Central Institute of Orthoapedics, VMMC and Safdarjung Hospital, New Delhi 110029, India.
Department of Orthopaedics, All India Institute of Medical Sciences, Jodhpur, Rajasthan 342005, India.
Foot (Edinb). 2021 Jun;47:101795. doi: 10.1016/j.foot.2021.101795. Epub 2021 Mar 2.
Aneurysmal bone cysts (ABCs) are locally aggressive, cystic lesions of the skeletal system, most commonly seen in the metaphyseal region of long bones. On the other hand, an ABC of the foot (especially the calcaneum) is a rare entity, with very few cases reported in the literature. In this study, we present three such cases who presented to us with the chief complaint of chronic heel pain. All three patients were clinically reviewed following which a comprehensive radiological workup was performed. The latter revealed a solitary, expansile lesion within the calcaneum in all them. Treatment included extended curettage and reconstruction using autologous iliac crest bone grafts. Histopathological analysis of the curetted sample was consistent with features of primary ABC. There were no complications and all lesions had re-ossified at the latest follow up.
Calcaneal ABCs are rare, atypical lesions warranting a high index of suspicion and correlation of the patient's clinical, radiological and histopathological features to make a correct diagnosis.
动脉瘤样骨囊肿（ABC）是一种局部侵袭性、囊性的骨骼系统病变，最常见于长骨的干骺端区域。另一方面，足部（尤其是跟骨）的 ABC 是一种罕见的病变，文献中报道的病例很少。在本研究中，我们报告了 3 例以慢性足跟痛为主诉就诊的患者。对所有 3 例患者进行了临床检查，然后进行了全面的影像学检查。后者显示在所有患者的跟骨内均存在单发、膨胀性病变。治疗包括广泛刮除和使用自体髂嵴骨移植物重建。刮除样本的组织病理学分析与原发性 ABC 的特征一致。无并发症，所有病变在最新随访时均已重新骨化。
跟骨 ABC 是罕见的、非典型病变，需要高度怀疑，并结合患者的临床、影像学和组织病理学特征做出正确诊断。
