# Medulloblastoma in a 13-Year-Old Female: A Comprehensive Case Report

## TL;DR

A 13-year-old girl with a brain tumor in the fourth ventricle is reported, emphasizing the importance of imaging for diagnosis and treatment.

## Contribution

This case report provides a detailed clinical presentation and imaging findings of a rare pediatric brain tumor.

## Key findings

- MRI and MRS revealed a solid lesion in the fourth ventricle causing obstructive hydrocephalus.
- The case highlights the importance of advanced imaging in diagnosing posterior fossa tumors in children.

## Abstract

The majority of children's brain cancers are posterior fossa tumours, which include brainstem gliomas, medulloblastomas (MBs), juvenile pilocytic astrocytomas, and ependymomas. This report details a 13-year-old female presenting with headache, nausea, and ataxia. With typical magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) results, the MRI indicated a solid lesion in the fourth ventricle, producing obstructive hydrocephalus. Pilocytic astrocytoma, ependymoma, MB, and other conditions are examples of differential diagnoses. In addition to underscoring the need for early intervention to enhance prognosis and outcomes for paediatric patients with posterior fossa tumours, the case highlights the vital role that sophisticated imaging plays in early detection and therapy.