POSTERIOR FOSSA LESIONS- AN EXPERIENCE OF 32 CASES OVER 2 YEARS
Journal Title: IJSR-International Journal Of Scientific Research - Year 2018, Vol 7, Issue 10
Abstract
INTRODUCTION- Posterior fossa tumours are common in paediatric population1; however their occurrence in adults is not rare. They form a major cause of morbidity and mortality in either population. Some of these tumours like pilocytic astrocytomas are rewarding, others, like medulloblastomas may have a poor outcome. This study aims to analyse the epidemiology and surgical outcomes of posterior fossa lesions. MATERIALS AND METHODS – This is a retrospective study done at Dr. B.R.A.M. Hospital between April 2016 and June 2018. It included 32 patients with posterior fossa lesions.Cerebellopontine angle lesions- schwannomas, epidermoids were excluded. Only lesions involving the cerebellum or occupying the fourth ventricle were included in the study. Their surgical outcome in terms of complications and mortality were analysed. RESULTS- Thirty –two patients, in the age group of 2years to 68 years were included in the study. Cerebello-pontine angle lesions were excluded. Only lesions involving the cerebellum or occupying the fourth ventricle were included in the study. Most common lesion was medulloblastoma, followed by pilocytic astrocytoma, cerebellar abscess, haemangioblastoma, arachnoid cyst, exophytic tectal gliomas, tuberculoma, metastasis, epidermoid. They underwent surgery depending upon the nature of lesion. Overall mortality was found in 9 of 32 patients. Mortality was especially high in medulloblastoma patients (54.55%). CONCLUSIONS – Various lesions may affect the posterior fossa, varying from neoplastic malignant or benign lesions to infective and developmental lesions. Medulloblastoma is a common tumour in the paediatric population and carries a bad prognosis.
Authors and Affiliations
Sahana Debabrata, Sahu Rajiv, Kumar Sanjeev, Jain Amit
Keywords
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