Pediatric age, posterior fossa meningioma

Mehmet R Onen1, Evren Yüvrük1, Caner Sarikaya1

  • 1From the Department of Neurosurgery (Onen, Yüvrük), VM Maltepe Medicalpark Hospital, Department of Neurosurgery (Sarikaya, Naderi), Umraniye Teaching and Research Hospital, Istanbul, Turkey.

Insights

Pediatric posterior fossa meningiomas, though rare, can present as cystic tumors causing obstructive hydrocephalus. Surgical removal and cerebrospinal fluid diversion are effective treatments for this rare pediatric brain tumor.

Area of Science:

  • Neuro-oncology
  • Pediatric Neurosurgery

Background:

  • Meningiomas are typically benign, slow-growing tumors arising from arachnoid cells, common in adults but less frequent in children.
  • Posterior fossa meningiomas are particularly uncommon in the pediatric population, often overlooked in initial diagnoses.

Observation:

  • A pediatric case presented with a cystic meningioma in the posterior fossa, characterized by heterogeneous contrast enhancement.
  • This tumor led to obstructive hydrocephalus due to pressure on the fourth ventricle.

Findings:

  • Complete surgical resection of the cystic meningioma was achieved.
  • A ventriculoperitoneal shunt was subsequently placed to manage the hydrocephalus.

Implications:

  • Highlights the importance of considering meningiomas in pediatric posterior fossa masses, even when rare.
  • Demonstrates the successful management of pediatric cystic meningiomas with associated obstructive hydrocephalus through surgical intervention and shunting.