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Stereotactic biopsy considerations for pineal tumors
Brad E Zacharia1, Jeffrey N Bruce
1Department of Neurological Surgery, Columbia University, 710 West 168th Street, 4th Floor, New York, NY 10032, USA. bez2103@columbia.edu
Abstract:
Pineal region tumors represent 0.4% to 1.0% of intracranial tumors in American literature. Obtaining a tissue diagnosis is the cornerstone of the rational management of pineal lesions. The initial surgical decision involves choosing between a stereotactic biopsy and open microsurgical procedures. Open resection facilitates the maximal removal of tumor volume and has diagnostic accuracy and improved prognosis. Stereotactic biopsy is less invasive and has a lower risk of complications. A review of all major series reporting stereotactic biopsy for pineal region lesions reveals a mean diagnostic yield of 94%, with a morbidity of 1.3% and a mortality of 8.1%.
Insights
Diagnosing pineal region tumors requires tissue confirmation. While open resection offers maximal tumor removal, stereotactic biopsy provides a less invasive option with high diagnostic accuracy for these intracranial lesions.
Area of Science:
- Neurosurgery
- Oncology
- Pathology
Background:
- Pineal region tumors constitute a small fraction (0.4%-1.0%) of all intracranial neoplasms.
- Accurate tissue diagnosis is critical for effective management of pineal lesions.
- Surgical intervention decisions balance diagnostic yield against invasiveness and risk.
Purpose of the Study:
- To review the diagnostic accuracy and complication rates of stereotactic biopsy for pineal region lesions.
- To compare stereotactic biopsy with open microsurgical resection for pineal tumors.
Main Methods:
- Literature review of major series reporting stereotactic biopsy for pineal region lesions.
- Analysis of diagnostic yield, morbidity, and mortality associated with stereotactic biopsy.
Main Results:
- Stereotactic biopsy demonstrated a mean diagnostic yield of 94%.
- The reported morbidity for stereotactic biopsy was 1.3%.
- The mortality rate associated with stereotactic biopsy was 8.1%.
Conclusions:
- Stereotactic biopsy is a valuable tool for diagnosing pineal region tumors, offering high diagnostic accuracy.
- Open resection may be preferred for maximal tumor debulking and improved prognosis.
- The choice between biopsy and resection depends on balancing diagnostic needs with procedural risks.
