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Surgical approach to pineal tumours.
F Pluchino1, G Broggi, M Fornari
1Department of Neurosurgery, Istituto Neurologico C. Besta, Milano, Italy.
Acta Neurochirurgica
|January 1, 1989
Summary
This study analyzed 40 pineal region tumors treated over 10 years, finding many in young patients. A new protocol improved diagnosis and treatment, guiding surgical or radiation strategies based on tumor type.
Area of Science:
- Neurosurgery
- Pediatric Oncology
- Neuroradiology
Background:
- Pineal region tumors are rare and often present in pediatric and juvenile populations.
- Accurate diagnosis and tailored treatment are crucial for managing these complex lesions.
Purpose of the Study:
- To evaluate the outcomes of a diagnostic and therapeutic protocol for pineal region tumors.
- To analyze the efficacy of different treatment modalities based on histological diagnosis.
Main Methods:
- Retrospective analysis of 40 pineal region tumor cases treated between 1977 and 1986.
- Implementation of a specific protocol since 1983 involving stereotactic biopsy for initial diagnosis.
- Surgical excision using the infratentorial supracerebellar approach for selected cases.
- Radiotherapy and/or chemotherapy for malignant or unresectable tumors.
Main Results:
- A significant proportion (67.5%) of tumors occurred in patients aged 10-20 years.
- The protocol led to tailored treatments: 25% benign resectable tumors, 25% low-grade astrocytomas, 30% radiosensitive lesions, and 20% highly malignant tumors.
- The infratentorial supracerebellar approach was consistently used for surgical interventions.
Conclusions:
- A diagnostic protocol guiding treatment selection is effective for pineal region tumors.
- Treatment strategies should be individualized based on histological findings, ranging from surgical resection to radiotherapy and chemotherapy.
- The infratentorial supracerebellar approach is a viable surgical option for pineal region tumor removal.