K.A.Sudharshana Murthy, Kiran.H.S, Balaji.K
A 30 year old man presented with headache, vomiting, altered sensorium and seizures. On examination, he was comatose with meningeal signs. Cranial CT scan demonstrated Pneumocephalus. He died shortly afterwards.
CT Report:
Moderate dilatation of lateral ventricles with intraventricular air pockets; small intracranial air pockets in the sulci, bilaterally; CT features are suggestive of (?) meningitis with ventriculitis.
Pneumocephalus is “the presence of air or gas within the cranial cavity.”It can be classified as extradural, subdural, subarachnoid, intracerebral, and intraventricular. Pneumocephalus is usually caused by trauma or surgery. Spontaneous, non-traumatic pneumocephalus is an uncommon condition. In the absence of head trauma, meningitis is an extremely rare cause of pneumocephalus & should raise the suspicion of anaerobic infection. It may be due to anaerobic or aerobic or mixed infection also. The majority of patients do not survive.
Acknowledgement:
Our sincere thanks to Dr.Nagaraj Murthy,Asso.Prof of Radiology)
REFERENCES
1. Jayaram S, Jadhav S, Rathod D, Tarvade S, Sornan A.Meningitis: an unusual cause of pneumocephalus.J Assoc Physicians India 2004;52:67-8
2. Parmar MS. Pneumocephalus associated with Bacteroides fragilis meningitis. J Postgrad Med 2004;50:272-3.
3. Tanaka T, Takagi D, Takeyama N, Kitazawa Y. “Spontaneous” pneumocephalus associated with aerobic bacteremia. Clin Imaging 1989;13:134 -9.
A 30 year old man presented with headache, vomiting, altered sensorium and seizures. On examination, he was comatose with meningeal signs. Cranial CT scan demonstrated Pneumocephalus. He died shortly afterwards.
CT Report:
Moderate dilatation of lateral ventricles with intraventricular air pockets; small intracranial air pockets in the sulci, bilaterally; CT features are suggestive of (?) meningitis with ventriculitis.
Pneumocephalus is “the presence of air or gas within the cranial cavity.”It can be classified as extradural, subdural, subarachnoid, intracerebral, and intraventricular. Pneumocephalus is usually caused by trauma or surgery. Spontaneous, non-traumatic pneumocephalus is an uncommon condition. In the absence of head trauma, meningitis is an extremely rare cause of pneumocephalus & should raise the suspicion of anaerobic infection. It may be due to anaerobic or aerobic or mixed infection also. The majority of patients do not survive.
Acknowledgement:
Our sincere thanks to Dr.Nagaraj Murthy,Asso.Prof of Radiology)
REFERENCES
1. Jayaram S, Jadhav S, Rathod D, Tarvade S, Sornan A.Meningitis: an unusual cause of pneumocephalus.J Assoc Physicians India 2004;52:67-8
2. Parmar MS. Pneumocephalus associated with Bacteroides fragilis meningitis. J Postgrad Med 2004;50:272-3.
3. Tanaka T, Takagi D, Takeyama N, Kitazawa Y. “Spontaneous” pneumocephalus associated with aerobic bacteremia. Clin Imaging 1989;13:134 -9.
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