Intended for healthcare professionals

Clinical Review Lesson of the week

Contrast enhanced computed tomography in the early diagnosis of cerebral abscess

BMJ 1999; 319 doi: (Published 24 July 1999) Cite this as: BMJ 1999;319:239
  1. Michael Owen Fitzpatrick, registrar,
  2. Peter Gan, senior house officer
  1. Department of Neurosurgery, Institute of Neurological Sciences, Southern General Hospital NHS Trust, Glasgow G51 4TF
  1. Correspondence to: Mr Fitzpatrick
  • Accepted 29 January 1999

If a stroke is not straightforward, ask for a contrast enhanced computed tomogram

Despite advances in the management of cerebral abscess, this condition is still associated with appreciable morbidity and mortality. The key to successful treatment is early diagnosis, but this requires a high index of clinical suspicion and the correct choice of investigations Contrast enhanced computed tomography is the best investigation since non-contrast computed tomography does not identify all cerebral abscesses. To highlight this, we report two patients in whom the diagnosis was delayed because of failure to perform a contrast enhanced computed tomogram of the brain, and in whom delay may have resulted in a less favourable neurological outcome.

Case reports

Case 1

A 54 year old man presented to a district general hospital after a single grand mal seizure. Clinical examination showed a right hemiparesis and non-contrast computed tomography showed an area of low attenuation in the left temporal lobe which was reported as a temporal lobe infarct (figure, A). The patient had no further seizures, made a good recovery, and was discharged home 4 days after admission. Two weeks later he was readmitted because he had become confused. Repeat computed tomography of the brain showed that the area of low …

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