Large calcified subdural empyema
S Sarkar1, U Mazumder, D Chowdhury
1Department of Neurosurgery, Mymensingh Medical College, Mymensingh, Bangladesh. saumitra_nsurg@yahoo.com
Abstract:
Subdural empyema is a known disease entity; however, calcified subdural empyema is uncommon. The authors present a case of an 11-year-old boy in whom there was diagnosed a chronic calcified subdural empyema 10 years after an attack of meningitis. The patient had suffered from generalized tonic clonic seizures occurring 2-6 times in a month. A large fronto-temporo-parietal craniotomy was carried out and the subdural empyema filled with numerous uncharacteristic tissue fragments with thick pus together with the partially calcified and ossified capsule was removed. The empyema mass was found to be sterile for bacteria. After the operation, no epileptic seizure occurred and the boy is on sodium valporate. We must emphasize the unusual occurrence of the chronic subdural empyema presenting with calcification-ossification and large size as observed in our case.
Insights
This case study details a rare instance of chronic calcified subdural empyema in a child, successfully treated with surgery. The condition, presenting as large calcified masses, led to seizures but resolved post-operation.
Area of Science:
- Neurology
- Neurosurgery
- Pediatrics
Background:
- Subdural empyema is an established intracranial infection.
- Calcified subdural empyema is an exceptionally rare manifestation.
Observation:
- An 11-year-old boy presented with chronic calcified subdural empyema 10 years post-meningitis.
- The patient experienced frequent generalized tonic-clonic seizures.
- Imaging revealed a large fronto-temporo-parietal empyema with calcification and ossification.
Findings:
- Surgical removal of the empyema mass, including its calcified capsule, was performed.
- Post-operatively, the patient became seizure-free and is managed with sodium valproate.
- Bacterial cultures from the empyema were sterile.
Implications:
- This case highlights the unusual presentation of a large, chronic, calcified subdural empyema.
- Surgical intervention can effectively resolve symptoms associated with such rare conditions.
- Further research into the pathogenesis of calcified subdural empyema may be warranted.
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