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Central nervous system (CNS) tumors comprise nearly 3% of all malignancies world-wide whereas in India it accounts for about 2%. In recent years there has been an increase in CNS tumors with new potential risk factors being observed. The aim of the present study is to highlight the histopathological spectrum of brain tumors in a single tertiary care centre in Western Odisha. This retrospective histopathological analysis of CNS tumors was conducted in the Department of Pathology, VIMSAR, Burla, Odisha, India from October 2016 to September 2020. In the span of 4 years, a total of 94 neurosurgical biopsies were studied. Histopathological examination of routinely processed tissue and hematoxylin and eosin (H&E) stained sections of corresponding cases were thoroughly examined. Immunohistochemistry (IHC) was done whenever required. Thereafter an approach was made to diagnose the cases, based on WHO classification system of 2016. A wide range of histopathological spectrum of CNS tumors was observed and was classified according to the WHO classification system of 2016. The primary CNS tumors were graded from Grade I to Grade IV. The most common CNS tumor in our study we found to be Astrocytic tumors (21 cases, 22.34%) followed by Schwannoma (19 cases, 20.21%) and meningiomas (18 cases, 19.14%). The incidence was more among males (59.51%) as compared to females (40.4%). This study provides an information regarding the prevalence of disease in Western Odisha. Use of modern imaging technique helps to a major extent in making a provisional.
Mishra et al. (Thu,) studied this question.