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Pineal region tumours in the sitting position: how I do it
Priya Sharma1, Mohd Abdul2, Manprit Waraich3
1Imperial College School of Medicine, London, UK. priya.sharma15@imperial.ac.uk.
Acta Neurochirurgica
|May 2, 2021
Summary
Pineal region tumor resection is challenging. Microsurgical techniques and anatomical knowledge, especially of the posterior incisural space, are key to safe and successful outcomes for these difficult neurosurgical pathologies.
Area of Science:
- Neurosurgery
- Surgical Anatomy
Background:
- Pineal region tumors present significant neurosurgical challenges.
- Understanding the posterior incisural space anatomy is critical for surgical planning.
Purpose of the Study:
- To highlight the importance of detailed anatomical knowledge for pineal region tumor resection.
- To discuss surgical techniques and positioning for safe outcomes.
Main Methods:
- Review of anatomical considerations for the posterior incisural space.
- Discussion of microsurgical techniques for tumor removal.
- Evaluation of the sitting position for neurosurgical access.
Main Results:
- Injury to the internal cerebral and basal veins can cause severe neurological deficits.
- Medium-sized tumors can be removed en-bloc with careful manipulation.
- Sacrifice of the cerebellomesencephalic fissure vein may be necessary.
Conclusions:
- The sitting position provides excellent anatomical orientation and is safe with experienced surgical teams.
- Meticulous microsurgical techniques and thorough anatomical knowledge are essential for achieving safe and successful outcomes in pineal region tumor surgery.
