Medulloblastoma: seeding of VP shunt tract and peritoneum

David Pettersson; Kelli R. Schmitz; Jeffrey M. Pollock; Katharine L. Hopkins

doi:10.4081/cp.2012.e37

https://doi.org/10.4081/cp.2012.e37

David Pettersson | petterss@ohsu.edu Department of Diagnostic Radiology, Oregon Health & Science University, Portland, OR, United States.
Kelli R. Schmitz Department of Diagnostic Radiology, Oregon Health & Science University, Portland, OR, United States.
Jeffrey M. Pollock Department of Diagnostic Radiology, Oregon Health & Science University, Portland, OR, United States.
Katharine L. Hopkins Department of Diagnostic Radiology; Department of Pediatrics, Oregon Health & Science University, Portland, OR, United States.

Abstract

We report on a 5-year-old boy with seeding of the peritoneum and a ventriculoperitoneal shunt tract by anaplastic medulloblastoma. The role of ventriculoperitoneal shunting in the spread of primary central nervous system tumors has been controversial. In the case reported here, the unique distribution of tumor implants on ultrasound and multiplanar computed tomography gives further credence to the argument that ventriculoperitoneal shunting is a pathway for extraneural metastases of primary central nervous system tumors.

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Author Biography

David Pettersson, Department of Diagnostic Radiology, Oregon Health & Science University, Portland, OR

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