骨盆衰竭骨折的影像学诊断

IMAGING DIAGNOSIS OF PELVIC INSUFFICIENCY FRACTURE

①目的 探讨骨盆衰竭骨折的影像学特征。②方法 回顾性分析 12例具有典型影像表现或经随访证实的骨盆衰竭骨折病人的影像学资料 ,12例均摄有骨盆标准正侧位片 ,4例行CT检查 ,1例行MRI检查 ,1例行ECT检查。③结果 6例X线平片有阳性征象 ,表现为与邻近关节平行或与主要骨小梁垂直的骨折线或线状硬化。 4例CT检查清晰显示出骨折线或线状硬化。 1例ECT检查表现为典型的“蝴蝶”形放射浓聚区。 1例MRI检查示骨折线呈长T1,短T2 低信号 ,周围伴大片状长T1,长T2 水肿信号。

Objective To investigate the imaging diagnosis of pelvic insufficiency fracture. Methods 12 cases of pelvic insufficiency fracture with characteristic imaging findings or verified by follow up were reviewed retrospectively. These included 12 radiographs, 4 computerized tomography(CT)scans, 1 bone scintigraph and 1 magnetic resonance imaging(MRI). Results 6 cases of pelvic insufficiency fracture had abnormal X ray findings of fracture lines and linear scleroses oriented parallel to the adjacent joint or perpendicular to the main trabeculae. 4 cases were diagnosed by CT findings with clear linear fractures and scleroses, 1 case by scintigraphy with characteristic butterfly shaped abnormal uptakes. One by MRI of long signal T1 and short signal on T2 weighted images. Conclusion Imaging evaluation plays an important role in the diagnosis of pelvic insufficiency fracture.