Abstract
Background- The danger of intracranial pathology is that expansion in an enclosed space leads to brain compression causing ischemia, swelling and loss of function that can be permanent and possibly fatal.
 Methods- This was a simple observational prospective study carried out at the Department Of Radio-Diagnosis And Modern Imaging, S.P.M.C. & A.G. Of P.B.M. Hospitals, Bikaner. All the patients presented for MR brain study with some neurological complaints and showed positive findings on MRI were included in this study.
 Results- out of total 120 stroke cases, there were 33 cases of acute arterial infarct, 4 of HIE, 6 cases of ICH, 76 of subacute arterial infarct and 1 case of venous infarct. Similarly, out of total 17 cases of tumors, 9 cases were of meningioma, 4 of lymphoma, 2 of glioma and metastasis each. Out of total 9 cases of infections, there were 3 cases of abscess, 2 of encephalitis and 4 of tubercular meningitis. There were 1 case of pontine myelinolysis, 2 cases of ADEM and 1 cases of diffuse axonal injury in this study.
 Conclusion- Stroke comprised the majority of lesions at 120 cases (80% of the total cases studied).
 Keywords: MRI, Brain, lesion.
Highlights
The danger of intracranial pathology is that expansion in an enclosed space leads to brain compression causing ischemia, swelling and loss of function that can be permanent and possibly fatal
Seizures greatly increase the cerebral metabolic rate for oxygen. They are associated with regional ischemia that can lead to cell death and loss of cognitive and functional abilities
Intracranial lesions can occur in all age groups
Summary
The danger of intracranial pathology is that expansion in an enclosed space leads to brain compression causing ischemia, swelling and loss of function that can be permanent and possibly fatal. Seizures greatly increase the cerebral metabolic rate for oxygen. They are associated with regional ischemia that can lead to cell death and loss of cognitive and functional abilities. MRI and Diffusion weighted imaging help us in classification and characterization of the lesions. With advent of DWI and its ADC values, the diagnosis, classification, characterization and location of the lesion is made more precise and accurate(2). All the patients presented for MR brain study with some neurological complaints and showed positive findings on MRI were included in this study. Study Area: Department of Radio-Diagnosis and Modern Imaging, S.P.M.C. Sample Size: The study group consisted of 150 patients. Inclusion Criteria: All patients presented with neurological symptoms and with findings on DWI
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