Burr hole evacuation for infratentorial subdural empyema

Table 1 Summary of cerebrospinal fluid and blood tests

Date	Cerebrospinal fluid				Blood
	CSF appearance	CSF cells/dL	Composition of CSF cells	Proteino-rrachia	Leukocytes	Erythrocyte sedimentation rate	HGB mg/dL
March 11, 2006	Turbulent	8900	Lymph 80%	1.65	25200	45	12.8
			Mening 8%
			Neutro 12%
March 21, 2006	Light turbulent	212	Lymph 90%	0.33	18700	43	12
			Mening 5%
			Neutro 5%

Neutro: Neutrophils; HGB: Hemoglobin; Lymph: Lymphocytes; Mening: Meningeal cells; CSF: Cerebrospinal fluid.