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- W2358692940 abstract "Objective To investigate the value of dynamic contrast-enhanced MRI for evaluating diagnosis and differential diagnosis of atypical lung tuberculoma.Methods Ten consecutive patients enrolled in this study,all of whom underwent T1WI,T2WI,DCE-MRI examinations and received a histologic and clinical diagnosis.DCEMRI was acquired with 3D LAVA technique,total 18 phases were acquired,scanner time of per phase was 5 ～ 7 s.After contrasting agent,twice successive scanning was acquired at 10 s and 50 s.Then 1 min 30 s,2 min,2 min 30 s,3 min,3 min 30 s,4 min,5 min,6 min,7 min,8 min,9 min,10 min,11 min,12 min performed scanning.Region of interest was placed on the Maximum level in the tumors.According to Schaefer's standard,four types of time signal intensity curve(TIC) were classified,which were A,B,C and D.Compared the dynamic parameters between benign and malignant nodules.Results Eight cases with Lung tuberculoma exhibited hypointensity on T1WI,2 cases hyper-intensity and SI value exceeded 250.Lung tuberculoma may display three MR enhancement curves:A type 1 case,ring-shaped enhancement 7 cases(periphery ring A type,central region D type),D type 2 cases.Ring-shaped enhancement 7 cases exhibited hypcrbola mode and its enhancement ring was completely,among these,2 cases exhibited double ring on T2WI.Low signal on T2WI was seen in D type cases.Conclusion Lung MR imaging is helpful to diagnosis and differential diagnosis of atypical lung tuberculoma.The evolution of global tuberculosis may be from A type to ring-shaped ennoblement to D type.It was easy to do right diagnosis to lung tuberculoma with ring-shaped enhancement and D type.It is important to anti-inflammatory or antiTB follow-up for a few A type nodules except for peripheral lung cancer." @default.
- W2358692940 created "2016-06-24" @default.
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- W2358692940 date "2012-01-01" @default.
- W2358692940 modified "2023-09-25" @default.
- W2358692940 title "Usefulness of dynamic contrast MR in the evaluation of atypical lung tuberculoma" @default.
- W2358692940 hasPublicationYear "2012" @default.
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