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Linac-Based Radiosurgery Treatment for a Pineal Parenchymal Tumor
Hali Morrison1,2, M Salman Faruqi3,2, Kundan Thind4,5
1Department of Medical Physics, Arthur J.E. Child Comprehensive Cancer Centre, Calgary, CAN.
Cureus
|December 17, 2025
Summary
Stereotactic radiosurgery (SRS) offers a potential treatment for pineal parenchymal tumors of intermediate differentiation (PPTID) in older adults. This case study shows long-term tumor control but also highlights the risk of radiation necrosis.
Area of Science:
- Neuro-oncology
- Radiation Oncology
- Neurosurgery
Background:
- Pineal parenchymal tumors (PPTs) are rare, particularly in adults.
- Optimal treatment for PPT of intermediate differentiation (PPTID) in elderly patients remains undefined.
- Stereotactic radiosurgery (SRS) is an established modality for various brain tumors.
