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CT computerised stereotactic biopsy for low density CT lesions presenting with epilepsy
1Department of Neurosurgery, Wessex Neurological Centre, Southampton, UK.
Journal of Neurology, Neurosurgery, and Psychiatry
|October 1, 1987
Summary
Computer-assisted stereotactic biopsy accurately diagnosed epilepsy in 97% of patients with low-density lesions. This minimally invasive technique showed no mortality or morbidity, enabling effective treatment planning for low-grade brain tumors.
Area of Science:
- Neurosurgery
- Neuroradiology
- Neuropathology
Background:
- Epilepsy is often associated with non-enhancing low-density lesions on CT scans.
- Accurate diagnosis of these lesions is crucial for effective patient management.
- Stereotactic biopsy offers a minimally invasive approach for tissue diagnosis.
Purpose of the Study:
- To evaluate the diagnostic yield and safety of computer-assisted CT-guided stereotactic biopsy in patients with epilepsy and non-enhancing low-density lesions.
- To assess the utility of this technique in identifying low-grade intra-axial neoplasms.
Main Methods:
- Thirty-five patients with epilepsy and specific CT findings underwent CT-guided stereotactic biopsy.
- Procedures utilized computer-assisted navigation and stereotactic angiographic control.
- Pathological examination determined tumor type and extent.
Main Results:
- The diagnostic yield of stereotactic biopsy was 97%.
- No mortality or morbidity was observed in the patient series.
- Thirty-four patients were diagnosed with low-grade intra-axial neoplasms, guiding subsequent treatment.
Conclusions:
- Computer-assisted CT-guided stereotactic biopsy is a safe and highly effective diagnostic tool for epilepsy patients with non-enhancing low-density lesions.
- The procedure facilitates accurate diagnosis of low-grade intra-axial neoplasms, enabling appropriate therapeutic strategies such as laser resection or radiotherapy.