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《Anhui Medical Journal》 2008-02
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CT diagnosis and differentiation of lung carcinoma,tuberculoma and inflammatory pesudotumor

Huang Jicheng,Mao Feng,Zhang Chuanjun,et al Dept of Imaging,NO.2 People's Hospital,Chizhou 247000  
Objective To evaluate imaging findings and diagnosis value of spiral CT contrast scan in diagnosing lung carcinoma、tuberculoma and inflammatory pesudotumor.Methods Sprial CT plain scan and incremental dynamic scan were performed on 16 cases of pulmonary nodule.Five-phase scaning and measuring density and describing time-density curve were performed at 20 seconds after injected contrast material and delayed 1 min,2 min,3 min and 4 min.Results The enhancement peak of lung carcinoma emerged later with rise slowly and decline slowly.The peak of inflammatory pesudotumor emerged early and remarkable with rise soon and decline slowly or rise soon and decline soon.Tuberculoma appeared similarly in straight line and had no peak.Conclusion The diagnosis of tuberculoma can be made basically by analysing time-density curve.The curve of lung carcinoma and inflammatory pesudotumor had crossing.The diognosis accuracy could be improved by careful analysis of plain CT findings,peak beginning time,delayed time and their clinical data.
【CateGory Index】: R734.2
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