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The retrospective study of 56 cases of brain abscess receiving surgical intervention at Srinagarind Hospital during January 1985 to July 1988 was performed. The common presenting symptoms are headache (82%), history of fever (67%), nausea/vomitting (51%), deterioration of consciousness (39%) and seizure (20%). The common physical signs be detected are meningeal sign (45%), fever (temp > 37.8 c = 39%), hemiparesis (32%) and papilledema (34%). Leukocytosis (WBC > 10,000) was found in 62%. The common sources are mastoiditis (38%) and hematogenous spread (22%). Surgical intervention was performed by tapping or total excision or tapping and follow by total excision. Mortality rate is 20%.
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