Neuro-Chirurgie · 2004
Delayed isolated tension intraventricular pneumocephalus after ventriculoperitoneal shunt.
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Mineo J-F, Phong D H, Seizeur R, Mériot Ph, Besson G
Аннотация
OBJECTIVE AND IMPORTANCE: Delayed and isolated tension intraventricular pneumocephalus without air in the pericerebral subarachnoid spaces is an exceptional complication of a ventriculoperitoneal (VP) shunt. We purpose an explanation for the development of such delayed pneumocephalus.
CLINICAL PRESENTATION: A 14-year-old boy developed headaches and right-side hearing loss three months after surgical resection of a cerebellar medulloblastoma and insertion of a VP shunt. CT-scan showed isolated intraventricular pneumocephalus without air in the pericerebral subarachnoid spaces. A petrous bone defect was discovered and surgically repaired with clinical and radiographic resolution of pneumocephalus.
CONCLUSION: We presume that the brain tIssue plugging the bony defect retracted following the placement of the shunt and eventually there was rupture through the pia-mater into the lateral ventricle. This could explain why isolated intraventricular occurred, as opposed to air in the subarachnoid spaces.
CLINICAL PRESENTATION: A 14-year-old boy developed headaches and right-side hearing loss three months after surgical resection of a cerebellar medulloblastoma and insertion of a VP shunt. CT-scan showed isolated intraventricular pneumocephalus without air in the pericerebral subarachnoid spaces. A petrous bone defect was discovered and surgically repaired with clinical and radiographic resolution of pneumocephalus.
CONCLUSION: We presume that the brain tIssue plugging the bony defect retracted following the placement of the shunt and eventually there was rupture through the pia-mater into the lateral ventricle. This could explain why isolated intraventricular occurred, as opposed to air in the subarachnoid spaces.