Abstract:
OBJECTIVE AND IMPORTANCE:A unique case of spontaneous pneumocephalus is described. It appeared a few years after the uneventful introduction of a cerebrospinal fluid shunt and was probably attributable to a defect of the posterior mastoid plate. CLINICAL PRESENTATION:A 65-year-old man presented with a subacute onset of vertigo, vomiting, and atactic gait instability. The patient had undergone a ventriculoperitoneal shunt implantation 2 years previously for communicating hydrocephalus. A computed tomographic scan revealed a posterior fossa pneumatocele without hydrocephalus. INTERVENTION:A simple mastoidectomy was performed. Detection of the area of the bone defect was followed by mastoid obliteration with abdominal fat. CONCLUSION:Clinicians should be aware that pneumocephalus can occur spontaneously, with or without obvious shunt problems. Treatment should be directed toward the area through which air penetrated the posterior fossa.
journal_name
Neurosurgeryjournal_title
Neurosurgeryauthors
Kanner AA,Nageris BI,Chaimoff M,Rappaport ZHdoi
10.1227/00006123-200004000-00048keywords:
subject
Has Abstractpub_date
2000-04-01 00:00:00pages
1002-4issue
4eissn
0148-396Xissn
1524-4040journal_volume
46pub_type
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