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Published on: April 13, 2013
Computerised tomography of intracranial subdural haematoma in Ibadan
A M Agunloye1, A O Adeyinka, M O Obajimi
1Department of Radiology, University College Hospital, Ibadan, Nigeria.
Insights
Computerised Tomography (CT) scans significantly improve the diagnosis of subdural hematoma (SDH), a brain condition. This study highlights CT
Area of Science:
- Neurology
- Radiology
- Neurosurgery
Background:
- Subdural hematoma (SDH) is associated with high mortality and morbidity.
- Computerised Tomography (CT) has improved the diagnostic accuracy for suspected brain conditions.
Purpose of the Study:
- To review CT-diagnosed subdural hematoma (SDH) cases.
- To analyze the demographic, etiological, and radiological features of SDH.
Main Methods:
- Retrospective review of 100 patients with CT-diagnosed SDH.
- Data collected from January 1999 to December 2000 at University College Hospital, Ibadan.
Main Results:
- The most common cause of SDH was head injury (61%).
- Chronic (hypodense) SDH was most frequent (66%), followed by acute (hyperdense) (30%).
- Parietal (46.2%) and frontal (37.9%) lobes were most commonly affected.
Conclusions:
- Brain CT scans provide prompt and precise anatomical localization of SDH.
- CT imaging significantly aids in the management of subdural hematoma.
Abstract:
The high mortality and morbidity associated with intra-cranial subdural hematoma (SDH), has declined significantly with the introduction of Computerised Tomography (CT) for the evaluation of the brain in suspected cases. One hundred patients with CT-diagnosed SDH at the Radiology department of the University College Hospital, Ibadan between January 1999 and December 2000 were reviewed. The mean age was 47.4 years. The most frequent cause of SDH was head injury 61 (61%). The observed CT appearances of SDH included 66 (66%) of chronic (hypodense), 30 (30%) of acute (hyperdense) and 4 (4%) of acute-en-chronic (mixed density) lesions. There were more unilateral 83 (83%) lesions than bilateral 17 (17%). The lesions were right-sided in 45 (45%) cases and left-sided in 38 (38%). A total of 169 lesions were detected as some patients had multiple sites, however, the parietal 78 (46.2%) and frontal 64 (37.9%) lobes were mostly affected. We conclude that brain CT scan offers the advantage of prompt determination and precise anatomical localization of SDH, which significantly aids management.
