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ABSTRACT

Background: Diffusion weighted MRI imaging is a new technique which measures the microscopic motion of water protons. It provides image contrast that is dependent on the motion of water molecules, which may be substantially altered by disease. Methodology: In our prospective study a total of 80 cases of various intracranial pathologies were evaluated.MR imaging including T1, T2, fluid attenuation inversion recovery (FLAIR), gradient sequences, ADC and diffusion weighted imaging were obtained in various planes. Aims & Objectives: To assess the role & efficacy of Diffusion-weighted imaging in evaluation of intracranial pathologies. To assess the role & efficacy of Diffusion-weighted imaging in evaluation of early infarcts & differentiating early infarcts from chronic infarcts. To assess the role of Diffusion-Weighted MR Imaging for differentiating Rim-Enhancing Brain lesions. Results: Infract was the most Common lesions detected in our study. DW MRI is highly sensitive in detection of hyperacute and acute infract as compared to conventional MR (T2 & FLAIR). Other detected lesions include Meningioma, Abscess, Encephalitis, Acute Hematoma, ADEM, Medulloblastoma & Subdural Empyema