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  • Title: CT evidence of intracranial contusion and haematoma in relation to the presence, site and type of skull fracture.
    Author: Macpherson BC, MacPherson P, Jennett B.
    Journal: Clin Radiol; 1990 Nov; 42(5):321-6. PubMed ID: 2245568.
    Abstract:
    The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed. Of the 850 patients with a skull fracture, contusion and/or haematoma was found in 71%, compared with 46% of the 533 patients with no fracture. Thirty-nine per cent of patients had neither contusion nor haematoma, and 21% had neither skull fracture nor contusion/haematoma. Haematomas occurred more frequently in association with lateral and occipital fracture than with frontal fracture, but the incidence of contusion was similar for all fracture sites. Linear fractures were more often associated with extra- and subdural haematomas than were depressed fractures. Intracranial damage associated with depressed fractures was localized more frequently than with linear fractures. Frontal fractures were rarely associated with posterior damage alone, but with occipital fractures anterior contusion was more frequent than posterior. Damage associated with lateral fracture was solely contralateral in 26%. Skull fracture was present in 77% of patients with contusion, 87% of those with an extradural, 72% with a subdural, and 66% with an intracerebral haematoma (70% of all those with an intracranial haematoma).
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