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Updated: Feb 8, 2026
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Iatrogenic obstructive hydrocephalus resulting from Gelfoam accumulation within the cerebral aqueduct: a case report
Ali Hazama1, Joseph Driver2, Benjamin Grannan3
1Department of Neurosurgery, SUNY Upstate Medical University Hospital, Syracuse, New York, USA. Hazamaa@upstate.edu.
Abstract:
The authors present the case of a previously healthy 12-year-old male with intractable seizures localized to a right frontal area of encephalomalacia and porencephalic cyst who underwent resection of the seizure focus. The surgical resection cavity extended into the right lateral ventricle, and due to encountered hemorrhage, Gelfoam was used for optimal hemostasis. The patient did well following the procedure, but presented 5 months later with headaches and emesis and was discovered to have obstructive hydrocephalus on imaging studies. Endoscopic third ventriculostomy (ETV) was performed, where Gelfoam was encountered in the third ventricle, obstructing the cerebral aqueduct. After the completion of the ETV, the patient did well and continues to be asymptomatic 1 year following the procedure.
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