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What condition can occur due to radiation therapy leading to disrupted hormone function in the thyroid?
Hypothyroidism
Fibrosis
Alopecia
Cirrhosis
The correct answer is: Hypothyroidism
Radiation therapy, particularly when directed at or near the neck region, can damage the thyroid gland, which plays a crucial role in hormone production. Hypothyroidism can result from this damage because the thyroid may become unable to produce sufficient amounts of thyroid hormones after exposure to radiation. This condition manifests as various symptoms, including fatigue, weight gain, cold intolerance, and depression, among others. The radiation can cause inflammation and scarring within the thyroid, leading to its reduced ability to function properly. Monitoring thyroid hormone levels is important in patients who have received radiation therapy in order to identify and treat hypothyroidism early, thus improving their quality of life and management of any related symptoms.