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Abstract：
Aneurysmal bone cyst (ABC) is a benign, distending, osteolytic and locally aggressive bone tumor that is mostly associated with trauma. Approximately 1% of bone tumors are ABCs, which are most prevalent in adolescents and are usually detected in the spine and long tubular bones. The diagnosis of ABC mainly relies on histopathology, malignant transformation is rare, and the chance of malignancy increases if there are multiple recurrences. Due to the rarity of reports of malignant transformation of ABCs into osteosarcoma, there is still considerable debate on the appropriate treatment strategy. The current paper presents a case of aneurysmal bone cyst malignant to osteosarcoma and the therapeutic measures to provide expertise for the diagnosis and treatment of ABCs that are malignant to osteosarcoma.
摘要：
动脉瘤性骨囊肿（ABC）是一种良性，扩张，溶骨性和局部侵袭性骨肿瘤，主要与创伤有关。大约1%的骨肿瘤是ABCs，在青少年中最普遍，通常在脊柱和长管状骨骼中检测到。ABC的诊断主要依靠组织病理学,恶性转化是罕见的，如果有多次复发，恶性肿瘤的机会增加。由于罕见的ABCs恶性转化为骨肉瘤的报道，关于适当的治疗策略仍有相当多的争论。本文介绍了一例恶性骨肉瘤的动脉瘤样骨囊肿，以及治疗措施，为恶性骨肉瘤的ABCs的诊断和治疗提供专业知识。
