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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: The value of adding DWI and FLAIR signal changes in the resection cavity on the diagnostic performance of BT-RADS category 3 for tumor progression prediction in post-treated glioma patients: a prospective pilot study

Fig. 6

A 48-year-old clinically-deteriorated male patient with an operated left frontal grade III astrocytoma finished chemoradiotherapy 20 months ago. a and b Axial FLAIR images of the first and second studies, respectively show demonstration of new FLAIR abnormal signal intensity component that displays iso intense signal with surrounding high SI in fronto-parietal brain parenchyma. Increase mass effect on ipsilateral ventricular system. c and d Axial DWI and e and f show area of restricted diffusion corresponding to the new enhanced area with a decrease in ADCmean measures (1.6 × 10−3mm2/s) and (0.8 × 10−3mm2/s) in the first and second studies, respectively. It was categorized as BT-RADS category 3c that favors tumor progression. Decrease ADCmean supported tumor progression. Tumor progression was proved in the second stage follow-up study

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