| 螺旋CT在腰大肌病变中的应用价值 |
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| 引用本文： | 丁长青,孙迎迎,史志卫,谢光彤.螺旋CT在腰大肌病变中的应用价值[J].CT理论与应用研究,2012,21(3):465-470. |
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| 作者姓名： | 丁长青 孙迎迎 史志卫 谢光彤 |
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| 作者单位： | 江苏省丰县人民医院影像科,江苏丰县,221700 |
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| 摘 要： | 目的:探讨螺旋CT在腰大肌病变的应用价值。方法:回顾性分析手术病理或临床随访证实的110例腰大肌病变的螺旋CT资料。结果:腰大肌血肿37例(其中急性期血肿30例,慢性期血肿7例),急性期血肿表现为腰大肌筋膜增厚、体积增大、伴有不均匀高密度和横突等骨折,随访中体积逐渐变小、密度渐减低,慢性期血肿液化呈水样密度;累及腰大肌的感染28例(其中结核21例,其他感染7例),CT表现为腰大肌膨隆、轮廓模糊,周围脂肪间隙可见索条、积液,CT随访可因病变的转归而发生相应变化,结核可伴相应椎体及附件骨质破坏;腰大肌肿瘤45例,其中腹腔恶性肿瘤直接侵犯15例,肿瘤转移30例(单纯性腰大肌转移3例,同时伴脊椎转移27例),CT表现为腰大肌肿大,明显强化的肿物。结论:认识腰大肌病变的CT特征对诊断具有重要意义。
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| 关 键 词： | 腰大肌 肌脓肿 肌肉骨骼结核病 骨骼肌转移 CT |
The Application Value of Spiral CT in Psoas Lesions |
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| DING Chang-qing,SUN Ying-ying,SHI Zhi-wei,XIE Guang-tong.The Application Value of Spiral CT in Psoas Lesions[J].Computerized Tomography Theory and Applications,2012,21(3):465-470. |
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| Authors: | DING Chang-qing SUN Ying-ying SHI Zhi-wei XIE Guang-tong |
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| Institution: | (Department of Imaging, People＇s Hospital of Fengxian, Fengxian 221700, China) |
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| Abstract: | Objective： To investigate the application value of spiral CT in psoas lesions. Methods： A retrospective analysis of spiral CT data of 110 cases of psoas lesions confirmed by surgical pathology or clinical. Results： Psoas hematoma in 37 cases （acute hematoma in 30 cases, chronic hematorna in 7 cases）, the acute hernatoma manifesting as psoas fascia thickening, enlargement volume, inhomogeneous high density, all with the transverse process fracture, follow-up CT showing the thin volume and the reduced density. In the chronic phase, the liquefied hematoma presenting watery density. The psoas involved by infection in 28 cases （tuberculosis in 21 cases, the other infections in 7 cases）, CT showing the psoas muscle swelling, fuzzy contour, bands and effusion in the peritoneal fat clearance, follow-up CT could change due to the outcome of lesion, tuberculosis may be associated with the vertebral and accessories destruction; Psoas tumors in 45 cases, 15 cases of them were direct invasion from abdominal malignant tumor, metastasis in 30 cases （the simple psoas metastasis in 3 cases, the spine metastasis simultaneously in 27 cases）, CT showing an enlargement of the psoas and a significantly enhancement of the tumor. Conclusion： It is crucial significance for the diagnosis to understand the CT features of psoas lesions. |
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| Keywords: | psoas muscle abscess musculoskeletal tuberculosis skeletal muscle metastasis CT |
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