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Stereotactic neurosurgical biopsy is an underutilized modality
R Plunkett1, R R Allison, W Grand
1Department of Neurosurgery, State University of New York at Buffalo, Buffalo General Hospital 14203, USA.
Neurosurgical Review
|November 5, 1999
Summary
Stereotactic neurosurgical biopsy (SNB) effectively diagnoses central nervous system (CNS) masses, leading to improved patient management. This low-morbidity procedure offers a high diagnostic yield for undefined CNS lesions.
Area of Science:
- Neurosurgery
- Neuropathology
- Diagnostic Imaging
Background:
- Undefined central nervous system (CNS) masses pose therapeutic challenges.
- Accurate diagnosis is crucial for optimizing treatment strategies in neuro-oncology.
- Stereotactic neurosurgical biopsy (SNB) is a minimally invasive technique for tissue acquisition.
Purpose of the Study:
- To evaluate if stereotactic neurosurgical biopsy (SNB) optimizes therapy for undefined CNS masses.
- To correlate diagnostic accuracy of SNB with subsequent medical management.
- To assess the diagnostic yield and morbidity associated with SNB in a community hospital setting.
Main Methods:
- Retrospective analysis of 141 patients with undefined, space-occupying CNS lesions.
- Patients underwent SNB between 1991 and 1997.
- Correlation of histological findings with empirical diagnoses and impact on treatment decisions.
Main Results:
- SNB provided a high diagnostic yield for all patients.
- Histological results altered management in 57 cases (40%), with malignancy identified in 39.
- Low morbidity was observed: 10 asymptomatic hemorrhages and 2 cases of clinical deterioration.
Conclusions:
- SNB is a high-yield, low-morbidity procedure for diagnosing CNS lesions.
- It facilitates a wide range of diagnoses, improving medical management in community settings.
- SNB is recommended for guiding therapy when complete excision is not feasible or diagnosis is uncertain.