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Radiotherapy-induced hypopituitarism: a review
Thozhukat Sathyapalan1, Sanjay Dixit
1Department of Academic Endocrinology, Diabetes and Metabolism, Hull York Medical School, University of Hull, Hull, UK.
Radiation-induced hypopituitarism (RIH) impairs hormone secretions due to radiotherapy. This progressive condition, often irreversible, poses management challenges for patients and healthcare providers.
Area of Science:
- Endocrinology
- Oncology
- Radiotherapy
Background:
- Hypopituitarism results from impaired hypothalamic-pituitary axis hormonal secretions.
- Radiotherapy is a primary cause of iatrogenic hypopituitarism.
- The hypothalamic-pituitary axis can be inadvertently irradiated during various cancer treatments.
Purpose of the Study:
- To review the scale of radiation-induced hypopituitarism (RIH).
- To identify risk factors associated with RIH.
- To discuss the clinical management of RIH.
Main Methods:
- Literature review on radiation-induced hypopituitarism.
- Analysis of risk factors and clinical implications.
- Examination of current management strategies.
Main Results:
- RIH is an insidious, progressive, and largely irreversible condition.
- Higher radiation doses can lead to multiple hormonal axis deficiencies.
- The risk of RIH persists or increases up to 10 years post-radiation.
Conclusions:
- RIH presents significant clinical challenges in management.
- Understanding risk factors and long-term implications is crucial.
- Effective management strategies are needed for affected patients.
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