Fig. 3.

A: Primary ETV failure in a child with post tuberculous meningitic hydrocephalus presenting with acute deterioration in emergency. B: Stenosed stoma with scar in the floor of the third ventricle (arrow) during secondary ETV. C: MR image showing restoration of CSF flow across the stoma (arrows) post secondary ETV. Patient has not needed any further procedure in eleven years of follow-up with a good intellectual outcome. ETV: endoscopic third ventriculostomy, MR: magnetic resonance, CSF: cerebrospinal fluid, CT: computed tomography.