PMID: 9632968Jun 20, 1998Paper

Traumatic posterior fossa extradural haematomas (PFEDH)

Singapore Medical Journal
E C WangT T Yeo

Abstract

While posterior fossa extradural haematomas (PFEDH) may lead to rapid neurological deterioration and death because of brainstem compression, prompt treatment often leads to a good outcome. The non-specific clinical signs and the rarity of this lesion in craniocerebral trauma adds to the difficulty in diagnosis. The aim of this study was to identify features which could lead to an early diagnosis. Seventeen patients with posterior fossa extradural haematomas were operated on over 4 1/2 years, accounting for 7.5% of the 226 surgically operated extradural haematomas in the Department of Neurosurgery, Tan Tock Seng Hospital, Singapore. Four patients were excluded from this study due to non-availability of the case records. The remaining 13 patients formed the study group in this retrospective analysis. The majority of cases (77%) presented acutely within 24 hours. The mechanism of injury varied from a fall in 7 cases, a road traffic accident in 4 cases and assault in 2. Nine patients had evidence of external injury to the occiput, 8 patients had skull fractures, and diastasis of the lambdoid suture was seen in 2 cases. Presence of aerocele was noted in the CT scan of 4 cases. All 9 cases admitted with a high GCS score of more than ...Continue Reading

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