Abstract
Background: Though the central nervous system tumor comprises ~2% of all the tumors, an overall increase has been observed especially in less developed countries. This increase in the incidence may be due to exposure of population to various risk factors or improved diagnosis with advancement in the ancillary studies. This study aims to provide a single centre histopathological spectrum of this type of tumor.Materials and Methods: A retrospective cross sectional study on a series of cases was performed in the Department of Pathology, Annapurna Neurological Institute & Allied Science , Maitighar , Kathmandu, Nepal from April 2013 to Jan 2016. Data were analyzed using SPSS version 21.0.Results: A total of 221 brain and CNS tumors (125 females and 96 males) were studied. The mean age at diagnosis was 43.77 years. The most common tumor was meningioma(67 cases, 30.3%), followed by astrocytic tumor (57 cases, 25.7%) and pituitary adenoma(30 cases,13.6%). The frequency of WHO grade I, II,III and IV tumor were 94 cases (55%), 34 cases (19.9%),10 cases (5.8%), and 33 cases (19.3%) respectively. The astrocytic tumor was most frequent tumor in children (7/20 caes, 37 %).Conclusion: This study showed the most common CNS tumor to be meningioma followed by astrocytic tumors and pituitary adenoma. The spectrum of CNS tumor in children showed divergent histologic pattern according to the age. In age group 0-10 years embryonal tumors were common whereas ages group of 12-years showed propensity towards astrocytoma as in adults.
Highlights
The burden of cancer is increasing worldwide despite advances for diagnosis and treatment.[1]
The current study aims to evaluate and provide overview of descriptive epidemiology of central nervous system (CNS) tumors in a single centre over a 3 year study period.Pathological classification of brain tumors is the corner stone upon which the management plan and treatment strategy depends.[6]
All the histopathologically proven tumor specimens of CNS tumor received in the given time frame were included in the study.The specimens received were processed by fixing, dehydration, and clearing followed by impregnation with wax
Summary
The burden of cancer is increasing worldwide despite advances for diagnosis and treatment.[1] Population based cancer registration provides an essential base for cancer control, providing information on incidence and survival and facilitating confirmation of effectiveness of interventions. Though the tumors of the central nervous system (CNS). Though the central nervous system tumor comprises ~2% of all the tumors, an overall increase has been observed especially in less developed countries. This increase in the incidence may be due to exposure of population to various risk factors or improved diagnosis with advancement in the ancillary studies. This study aims to provide a single centre histopathological spectrum of this type of tumor
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