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Stereotactic radiosurgery for pituitary adenomas.
1Department of Radiotherapy and Clinical Oncology, St Bartholomew's Hospital, West Smithfield, London, UK EC1A 7BE.
Trends in Endocrinology and Metabolism: TEM
|February 7, 2001
Summary
Pituitary adenomas are sensitive to radiation, and radiotherapy after surgery lowers relapse rates. This review discusses the effectiveness of radiosurgery for treating pituitary adenomas.
Area of Science:
- Endocrinology
- Neurosurgery
- Radiation Oncology
Background:
- Pituitary adenoma is a radiosensitive tumor.
- Postoperative radiotherapy is effective in reducing tumor recurrence.
- Relapse rates for non-irradiated patients can be as high as 44% within ten years.
Purpose of the Study:
- To review the effectiveness of radiosurgery in treating pituitary adenomas.
- To discuss the role of radiosurgery as an alternative to conventional radiotherapy.
- To highlight the growing interest in radiosurgery for pituitary adenoma management.
Main Methods:
- Review of existing literature on pituitary adenoma treatment.
- Analysis of outcomes associated with conventional radiotherapy and radiosurgery.
- Discussion of prognostic factors for tumor relapse.
Main Results:
- Conventionally fractionated radiotherapy demonstrates a good track record for disease control and safety.
- Radiosurgery, a highly concentrated form of radiation therapy, is gaining interest.
- Predictors of relapse are identifiable at presentation or post-surgery.
Conclusions:
- Radiotherapy, including radiosurgery, is a valuable tool in managing pituitary adenomas.
- Radiosurgery offers a precise, highly concentrated radiation approach.
- Further evaluation of radiosurgery's role in pituitary adenoma treatment is warranted.