Computed tomography (CT) in the diagnosis of intracranial abscesses

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Abstract
Nine cases of brain abscess, five of subdural empyema, and one of epidural empyema with associated subdural empyema were identified using computed tomography (CT). Small and multiple abscesses as well as unilateral, bilateral, and parafalcine empyemas were detected. These lesions were demonstrated rapidly and accurately, even in areas that are demonstrated poorly by other diagnostic techniques. No false-negative studies were found in cases of brain abscess or subdural empyema. However, since the appearanceof brain abscesses on CT scans is similar to that of neoplastic and vascular lesions, false-positive reports of brain abscess were encountered.

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