BACKGROUND AND METHODS: To evaluate the value of brain biopsy for neurology patients in our unit, we conducted a retrospective audit of neurology patients referred for brain biopsies for non-neoplastic disease from 1993 to 2007. RESULTS: 64 patients [median (range) age 51 (16-74) years] were included. The clinical presentation was diffuse encephalopathy for 40 patients, focal for 13 and multifocal for 11. The biopsy was diagnostic in 34 patients, abnormal but non-diagnostic in 21 and normal in 9. There was a statistically significant association between clinical presentation and biopsy result (p = 0.004); diagnostic biopsies were more common in patients with focal or multifocal clinical presentations. Twenty patients (31%) had alterations of management as a result of their brain biopsy, comprising specific treatment (11 patients) or prognosis/diagnosis of untreatable conditions (9 patients). Diagnoses of treatable conditions included Whipple's disease, tuberculoma, progressive multifocal leukoencephalopathy, and neurosarcoidosis. Five patients (7.8%) had complications. CONCLUSIONS: Brain biopsy is useful and relatively safe in the management of neurology patients, with a diagnostic yield of 53% in our series; some led to significant changes in management, including treatment of infections. Patients with focal or multifocal presentation are more likely to yield a diagnostic biopsy result. 2010 S. Karger AG, Basel.
BACKGROUND AND METHODS: To evaluate the value of brain biopsy for neurologypatients in our unit, we conducted a retrospective audit of neurologypatients referred for brain biopsies for non-neoplastic disease from 1993 to 2007. RESULTS: 64 patients [median (range) age 51 (16-74) years] were included. The clinical presentation was diffuse encephalopathy for 40 patients, focal for 13 and multifocal for 11. The biopsy was diagnostic in 34 patients, abnormal but non-diagnostic in 21 and normal in 9. There was a statistically significant association between clinical presentation and biopsy result (p = 0.004); diagnostic biopsies were more common in patients with focal or multifocal clinical presentations. Twenty patients (31%) had alterations of management as a result of their brain biopsy, comprising specific treatment (11 patients) or prognosis/diagnosis of untreatable conditions (9 patients). Diagnoses of treatable conditions included Whipple's disease, tuberculoma, progressive multifocal leukoencephalopathy, and neurosarcoidosis. Five patients (7.8%) had complications. CONCLUSIONS: Brain biopsy is useful and relatively safe in the management of neurologypatients, with a diagnostic yield of 53% in our series; some led to significant changes in management, including treatment of infections. Patients with focal or multifocal presentation are more likely to yield a diagnostic biopsy result. 2010 S. Karger AG, Basel.
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