A Thyroid scan (Tc-99m or iodine uptake) is a nuclear medicine test of the thyroid. It shows how active the thyroid or a nodule is. Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year).
सामान्य स्वास्थ्य जानकारी — यह निदान नहीं है। आपात स्थिति में 102 पर कॉल करें। हमेशा योग्य स्वास्थ्यकर्मी से सलाह लें।
How active the thyroid or a nodule is.
Overactive thyroid, hot or cold nodules.
Thyroid medicines and iodine-rich foods may need to be stopped beforehand, as advised.
Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
30 minutes to 24 hours. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Nuclear medicine
परिणाम की व्याख्या के लिए डॉक्टर को दिखाएँ — अकेला परीक्षण निदान नहीं करता।
निकटतम सुविधाएँ दिखाने हेतु आपका स्थान एक बार उपयोग होता है। कुछ संग्रहीत नहीं होता।
What does a thyroid scan show?
How active the thyroid or a nodule is.
Why is a thyroid scan done?
Overactive thyroid, hot or cold nodules.
How do I prepare for a thyroid scan?
Thyroid medicines and iodine-rich foods may need to be stopped beforehand, as advised.
Does a thyroid scan use radiation?
Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
How long does a thyroid scan take?
30 minutes to 24 hours
Thyroid scan (Tc-99m or iodine uptake) क्यों किया जाता है?
Overactive thyroid, hot or cold nodules.
Thyroid scan (Tc-99m or iodine uptake) के लिए कैसे तैयारी करें?
Thyroid medicines and iodine-rich foods may need to be stopped beforehand, as advised.
Thyroid scan (Tc-99m or iodine uptake) गर्भावस्था में सुरक्षित है?
Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.
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