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Bone scan (bone scintigraphy)

A Bone scan (bone scintigraphy) is a nuclear medicine test of the whole skeleton. It shows areas of increased bone activity: cancer spread, infection, stress fractures. Typical effective dose 3 to 6 mSv, similar to about 1 to 2 years of natural background radiation (about 3 mSv a year).

सामान्य स्वास्थ्य जानकारी — यो निदान होइन। आपत्कालमा १०२ मा फोन गर्नुहोस्। सधैं योग्य स्वास्थ्यकर्मीसँग सल्लाह लिनुहोस्।

What it shows

Areas of increased bone activity: cancer spread, infection, stress fractures.

Why it is done

Cancer staging, unexplained bone pain.

Preparation

Drink extra water after the injection; the scan is done 2 to 4 hours later.

Radiation & safety

Typical effective dose 3 to 6 mSv, similar to about 1 to 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

about 3 to 4 hours in total. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Nuclear medicine

नतिजा व्याख्या गर्न डाक्टरलाई देखाउनुहोस् — एउटै परीक्षणले निदान गर्दैन।

यो कहाँ गर्न सकिन्छ

तपाईंनजिकको हेरचाह

नजिकका सुविधा देखाउन तपाईंको स्थान एक पटक प्रयोग गर्छ। केही सुरक्षित गरिँदैन।

सामान्य प्रश्न

What does a bone scan show?
Areas of increased bone activity: cancer spread, infection, stress fractures.

Why is a bone scan done?
Cancer staging, unexplained bone pain.

How do I prepare for a bone scan?
Drink extra water after the injection; the scan is done 2 to 4 hours later.

Does a bone scan use radiation?
Typical effective dose 3 to 6 mSv, similar to about 1 to 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 bone scan take?
about 3 to 4 hours in total

Bone scan (bone scintigraphy) किन गरिन्छ?
Cancer staging, unexplained bone pain.

Bone scan (bone scintigraphy) का लागि कसरी तयारी गर्ने?
Drink extra water after the injection; the scan is done 2 to 4 hours later.

Bone scan (bone scintigraphy) गर्भावस्थामा सुरक्षित छ?
Typical effective dose 3 to 6 mSv, similar to about 1 to 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

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