Persistent CSF Rhinorrhoea, Pneumocephalus, and Recurrent Meningitis Following Misdiagnosis of Olfactory Neuroblastoma

<table>Noncontrast CT head scan showing extensive intraventricular and subarachnoid air.</table>

Case Reports in Medicine

Figure 4: Persistent CSF Rhinorrhoea, Pneumocephalus, and Recurrent Meningitis Following Misdiagnosis of Olfactory Neuroblastoma 