Introduction: Meningioma originates in cerebral dura mater and can grow at any site, especially at the skull vault and the skull base. Meningioma accounts for 37% of all central nervous system tumor. MRS (Magnetic Resonance Spectroscopy) provides additional structural and metabolic information that helps to diagnose meningioma. Objectives: The aim of the study was to investigate the prevalence of brain tumor meningioma in patients with characteristic risk factors like headache, vomiting, dizziness etc to assess the diagnostic significance. Materials and Methods: This is a retrospective study and was conducted in the Radiology Department and Biophysics Departments of one of the tertiary health care centres in South Kerala. This study was conducted on 81 subjects with brain lesion, including both males and females, who underwent MRS. From MRS findings, the prevalence of Meningioma was detected. Patient's demographics were also taken for the analysis and interpretation. Results: From this study it was understood that out of the 81 cases, 40 were of Meningioma. In this 40 patients, 22 were females (55%) and 18 were males (45 %). Among these 40 cases, the frequency of brain lesions was higher in old aged group (60 %) when compared to younger (0%) and middle age groups (40%). It was found that out of the 40 patients, 42 % had headache, 28 % had vomiting, 23 % had Type-2 diabetes mellitus and 7% had dizziness. Conclusion: From this study, it is confirmed that among the brain lesions, the incidence of Meningioma is higher and was prominent among old aged group and the incidence is reported to be higher in females. This indicates the need of special attention for these patients for early diagnosis and timely intervention.
BACKGROUND Magnetic resonance imaging (MRI) provides structural characterization of brain lesions, by measuring volume of axial, sagittal and coronal planes through two dimensional slices. The purpose of this study was to characterize and identify the orthogonal imaging planes to detect non tumour lesions of brain through MRI. METHODS This study included 81 patients, both males and females, suspected of brain lesions and underwent MRI for diagnosis. The variations in the volume of the anatomical structures were measured and compared the planes as axial and sagittal, axial and coronal and coronal and sagittal for non-tumour brain lesions. RESULTS The present study revealed the differences in the measurement of volume in nontumour lesions (N = 81) in axial, sagittal and coronal planes. It was found that the volume of axial planes (9.2) is more dominant than the sagittal (9.1) and coronal planes (8.8) in non-tumour lesions. Statistical analysis was done by Statistical Package for Social Sciences (SPSS version 16 software). Two way/Friedman test were used for comparing the three groups. CONCLUSIONS This study concluded that, in most of the brain lesions irrespective of the type of tumours, axial planes helps more in the detection of tumour volume as compared to sagittal and coronal planes for precise diagnosis of brain lesions. KEY WORDS Axial Plane; Coronal Plane; Magnetic Resonance Imaging; Non-Tumour Brain Lesions; Sagittal Plane.
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