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Parathyroid (sestamibi) scan

A Parathyroid (sestamibi) scan is a nuclear medicine test of the neck. It shows overactive parathyroid glands. Typical effective dose 5 to 7 mSv, similar to about 2 years 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।

What it shows

Overactive parathyroid glands.

Why it is done

High calcium with raised PTH, before 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 5 to 7 mSv, similar to about 2 years 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

2 to 3 hours. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Nuclear medicine

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

यह कहाँ कराएँ

आपके पास देखभाल

निकटतम सुविधाएँ दिखाने हेतु आपका स्थान एक बार उपयोग होता है। कुछ संग्रहीत नहीं होता।

सामान्य प्रश्न

What does a sestamibi scan show?
Overactive parathyroid glands.

Why is a sestamibi scan done?
High calcium with raised PTH, before surgery.

How do I prepare for a sestamibi scan?
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.

Does a sestamibi scan use radiation?
Typical effective dose 5 to 7 mSv, similar to about 2 years 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 sestamibi scan take?
2 to 3 hours

Parathyroid (sestamibi) scan क्यों किया जाता है?
High calcium with raised PTH, before surgery.

Parathyroid (sestamibi) scan 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.

Parathyroid (sestamibi) scan गर्भावस्था में सुरक्षित है?
Typical effective dose 5 to 7 mSv, similar to about 2 years 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 — कॉल102