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Radioactive iodine therapy (I-131)

A treatment, not a scan: destroys overactive thyroid tissue or remaining thyroid cancer.

सामान्य स्वास्थ्य जानकारी — यह निदान नहीं है। आपात स्थिति में 102 पर कॉल करें। हमेशा योग्य स्वास्थ्यकर्मी से सलाह लें।

What it shows

A treatment, not a scan: destroys overactive thyroid tissue or remaining thyroid cancer.

Why it is done

Hyperthyroidism, thyroid cancer after surgery.

Preparation

A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.

Radiation & safety

Typical effective dose therapeutic dose; radiation safety advice is given mSv, similar to not comparable (treatment) 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 it takes

outpatient or short admission. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

परिणाम की व्याख्या के लिए डॉक्टर को दिखाएँ — अकेला परीक्षण निदान नहीं करता।

संबंधित स्थितियाँ

entry-health-condition-hyperthyroid

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सामान्य प्रश्न

Radioactive iodine therapy (I-131) क्यों किया जाता है?
Hyperthyroidism, thyroid cancer after surgery.

Radioactive iodine therapy (I-131) के लिए कैसे तैयारी करें?
A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause.

Radioactive iodine therapy (I-131) गर्भावस्था में सुरक्षित है?
Typical effective dose therapeutic dose; radiation safety advice is given mSv, similar to not comparable (treatment) 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.

SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.

स्रोत: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

आपात — कॉल📞 102