Introduction: DWI (Diffusion Weighted Magnetic Resonance Imaging) has a wide range of applications in the evaluation of intracranial pathological conditions. Study was done to describe the features of intracranial lesions on DWI and to compare these features with ADC and T2 FLAIR images. Material and methods: DW MRI Study was undertaken in 110 patients admitted with suspected intracranial lesions. All the MRI scans in this study were performed using 1.5 T MRI scanner. Results: 41(37.3%) females and, 69 (62.7%) males were present in the study. The age of the patients ranged from 6 years to 80 years. Infarcts, infective conditions, extra axial mass lesions, intra axial mass lesions, and other conditions like demyelination, posterior reversible encephalopathy syndrome were included in this study. Infarcts comprised the majority of lesions at 56 cases (50.9% of the total cases studied). Of these acute infarcts constituted 34 cases (60.7%); 19 (33.9%) were chronic infarcts and 3 (5.3%) were subacute infarcts. All cases of acute infarcts and 66.7% of subacute infarcts showed diffusion restriction. Among intra axial tumors true restriction was noted in 7 cases. 75% of glioblastoma multiforme showed true diffusion restriction. 100% of medulloblastomas and 100% of lymphomas showed diffusion restriction. Conclusion: Diffusion weighted MRI has been proven to be of excellent use in the characterization of infarcts and in the detection of acute infarcts
Palladium-catalyzed synthetic methodology has been developed for the synthesis of 2-aminobenzenesulfonic acids from benzothiazoles in good to excellent yields using chloramine-B in alkaline (pH 12) acetonitrile/water (1:1) at 80 C.
The 2‐aminobenzenesulfonic acids (II) are efficiently obtained from benzothiazoles (I) using chloramine‐B in the presence of a Pd‐catalyst under alkaline conditions.
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