Practical Reviews

DWI Helps Narrow Differential Diagnoses for Skull Lesions

Objective: To evaluate the role of diffusion-weighted MRI in differentiating benign from malignant skull lesions. Design: Retrospective review. Participants: 24 skull lesions (12 malignant and 12 benign) in 18 patients who underwent brain MRI with diffusion-weighted imaging (DWI) between January 2005 and December 2009. Methods: Apparent diffusion coefficient (ADC) maps were calculated from DW images using b values of 0 and 1000 s/mm 2 . Small (0.09 to 0.44 cm 2 ) round regions of i more...
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