动脉瘤样骨囊肿是膨胀性、薄壁溶骨性病变，其内充填以血液，因其放射学改变而命名。
Aneurysmal bones cysts are expansile, osteolytic lesions of bone containing thin-walled, blood-filled cystic cavities. They are named for the radiographic appearance.
动脉瘤样骨囊肿表现为膨胀性囊性病变，伴有分隔和硬化边。
Aneurysmal bone cysts present as expansile lytic lesions with septations and sclerotic margins.
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