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Updated: Oct 9, 2026
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
[Intraabdominal metastasis of cerebellar medulloblastoma through ventriculoperitoneal shunt]
R Carrasco Torrents1, M A Sancho, V Juliá
1Servicio de Cirugía Pediátrica. Unidad Integrada Hospital Clínic Hospital de Sant Joan de Déu. Esplugues de Llobregat. Barcelona.
Insights
Ventriculoperitoneal shunting for obstructive hydrocephalus in a child with cerebellar medulloblastoma may risk spreading malignant cells. This rare complication highlights the need for careful consideration of shunting in pediatric cancer patients.
Area of Science:
- Pediatric Oncology
- Neurosurgery
- Medical Complications
Background:
- Medulloblastoma is a common pediatric brain tumor.
- Obstructive hydrocephalus frequently complicates brain tumors.
- Ventriculoperitoneal shunting is a standard treatment for hydrocephalus.
Observation:
- A 6-year-old girl with cerebellar medulloblastoma developed obstructive hydrocephalus.
- She underwent ventriculoperitoneal shunting followed by tumor resection and radiotherapy.
- Intraabdominal metastatic lesions were detected nine months post-shunting.
Findings:
- The case suggests a potential link between ventriculoperitoneal shunting and the dissemination of medulloblastoma cells.
- Metastatic lesions were found in the abdomen, a rare but documented complication.
Implications:
- Clinicians should be aware of the low but significant risk of malignant cell spread via ventriculoperitoneal shunts.
- Further research is needed to understand the mechanisms and incidence of this complication.
- This finding may influence treatment decisions for pediatric hydrocephalus in the context of brain tumors.
Abstract:
We present a 6-year-old girl with cerebellar medulloblastoma causing obstructive hydrocephalus that was treated by ventriculoperitoneal shunting. The patient subsequently underwent surgical excision of the tumor followed by adjuvant craniospinal radiotherapy. Nine months after shunting, multiple intraabdominal metastatic lesions were found. Although the risk is low, ventriculoperitoneal shunting may facilitate the spread of malignant cells.
