骶骨气囊：CT表现。
Sacral pneumatocysts: CT appearance.
作者信息
Berenguer J, Pomés J, Bargalló N
机构信息
Department of Radiology, Hospital Clinic i Provincial de Barcelona, Spain.
出版信息
J Comput Assist Tomogr. 1994 Jan-Feb;18(1):95-7. doi: 10.1097/00004728-199401000-00020.
OBJECTIVE
CT findings of pneumatocyst of the sacrum have been evaluated.
MATERIALS AND METHODS
Eight patients, six men and two women, with pneumatocysts of the sacrum were studied. Selective CT with 4 and 2 mm thickness was performed, and the intralesional attenuation coefficients were measured.
RESULTS
All patients showed subchondral pneumatocysts of the sacrum with sclerotic margins related to the synovial portion of the sacroiliac joint. Intraarticular gas was found in six cases, and evidence of communication between the lesion and the joint was observed in two patients. Signs of bone degeneration were present in all cases.
CONCLUSION
Pneumatocyst of the sacrum is a benign bone lesion associated with arthritic changes.
目的
对骶骨气囊囊肿的CT表现进行评估。
材料与方法
研究了8例骶骨气囊囊肿患者，其中6例男性，2例女性。进行了层厚为4毫米和2毫米的选择性CT检查，并测量了病灶内的衰减系数。
结果
所有患者均显示骶骨软骨下气囊囊肿，其边缘硬化，与骶髂关节滑膜部分相关。6例患者发现关节内气体，2例患者观察到病灶与关节之间存在相通的证据。所有病例均有骨质退变迹象。
结论
骶骨气囊囊肿是一种与关节炎改变相关的良性骨病变。
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