摘要
目的:评价螺旋CT肺动脉造影(spiral CT pulmonary angiography,SCTPA)诊断和预测肺部血行转移瘤的价值。材料和方法:收集我院2001-03～2006-10所有行SCTPA的肺转移瘤32例,分析有无肺动脉瘤栓、瘤栓的表现及其与供血区内肺转移瘤的关系。结果:32例中,发现肺动脉瘤栓24例(75%),其中多发瘤栓20例,单发4例。总共在50支肺动脉中发现瘤栓60处,其中,肺动脉主干/双肺动脉干瘤栓15处(25%),段/段以下肺动脉45处(75%)。瘤栓形态呈偏心型50处(83%),中心型10处(17%)。瘤栓引起局部肺动脉增宽38处(63%)。50支瘤栓肺动脉中,45支(90%)供血区内有转移瘤;2支瘤栓肺动脉(2例)初次检查其供血区内未见转移瘤,2或3个月后随诊CT复查,该区域内出现转移瘤。结论:SCTPA能够发现肺动脉瘤栓,对诊断和预测肺转移瘤有十分重要的价值。
Purpose： To evaluate the diagnostic and predictive value of pulmonary metastasis by spiral CT pulmonary angiography, SCT- PA. Materials and Methods： Thirty-two cases with pulmonary metastasis were retrospectively reviewed to detect if there were tumorous emboli in the pulmonary arteries and analyzed the features of tumorous emboli and the correlation between embolic pulmonary arteries and metastases in CT images. All the cases were performed SCTPA from Mar. 2001 to Oct. 2006 in our hospital. Results： Sixty tumorous emboli were detected in fifty pulmonary arteries in twenty-four cases （75%）, including multiple emboli in 20 cases and solitary embolus in 4 cases. 45 emboli were found in segmental pulmonary arteries or sub-sections （75%）, 15 emboli were found in main pulmonary arteries or main branches（25% ） . 50 emboli appeared as a eccentric filling defect （83.3%） . 38 emboli enlarged the local pulmonary arteries （63.3%） . Metastasis could be found in the feeding areas of 45 embolic pulmonary arteries （90%） . No metastasis were found in the feeding areas of 2 embolic pulmonary arteries （2 cases） in the initial test, while they emerged 2 or 3 months later. Conclusion： SCTPA could detect pulmonary tumorous emboli and it should be significant value for diagnosing and predicting pulmonary metastasis.
出处
《中国医学影像学杂志》
CSCD
2007年第3期189-192,共4页
Chinese Journal of Medical Imaging
关键词
肺转移瘤
肺动脉瘤栓
螺旋CT肺动脉造影
pulmonary metastasis
pulmonary tumorous embolus
spiral CT pulmonary angiography
