The thyroid gland plays a crucial role in regulating metabolism, energy levels, and overall bodily functions. However, thyroid disorders are increasingly common, affecting millions worldwide. Nuclear medicine has become a vital tool in both the diagnosis and treatment of thyroid conditions, particularly for conditions like hyperthyroidism, hypothyroidism, thyroid cancer, and nodules.
● The Role of the Thyroid Gland
The thyroid is a small, butterfly-shaped gland located in the neck. It produces hormones-mainly triiodothyronine (TB) and thyroxine (T4)-that regulate various bodily functions, including heart rate, temperature, and metabolic processes. When the thyroid's function is compromised, it can lead to either an overactive (hyperthyroidism) or underactive (hypothyroidism) state, along with other potential complications.
● Diagnosis of Thyroid Disorders
Using Nuclear Medicine In nuclear medicine, thyroid imaging typically uses small amounts of radioactive substances to diagnose and assess thyroid health. The two primary imaging techniques used are thyroid scans and uptake tests.
● Thyroid Scans
A thyroid scan uses a small dose of a radioactive tracer, which is absorbed by the thyroid gland. A special camera, known as a gamma camera, captures images of the thyroid based on the radioactive material's distribution. This scan can reveal:
● Nodules: Differentiates between benign and potentially malignant thyroid nodules.
● Size and Shape: Identifies structural abnormalities and helps detect enlarged or abnormally shaped thyroids.
この記事は Health Vision の November 2024 版に掲載されています。
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この記事は Health Vision の November 2024 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
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