An 8-year-old boy presents with a 3-month history of progressive morning headaches, vomiting, and right-sided limb clumsiness with difficulty writing and buttoning. On examination, he has appendicular ataxia, dysmetria, dysdiadochokinesia, and intention tremor of the right limbs, with nystagmus on right lateral gaze. Fundoscopy shows early papilledema. MRI brain with contrast reveals a well-circumscribed cystic lesion in the right cerebellar hemisphere with a solid enhancing mural nodule along its wall, producing mass effect on the fourth ventricle with mild obstructive hydrocephalus. The structure marked **B** in the diagram shows this classic "cyst-plus-nodule" appearance. What is the most appropriate next step in management of this lesion?
Ready to test yourself?
Test your Pediatrics knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Pilocytic Astrocytoma MCQs with AI-powered explanations tailored to your performance.
Create Free Account