DigiNepal Health ENनेहि

← स्वास्थ्य · इमेजिङ

PET-CT scan

A PET-CT scan is a nuclear medicine test of the whole body. It shows active tissue such as cancer, infection or inflammation. Typical effective dose 10 to 25 mSv, similar to about 3 to 8 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

Active tissue such as cancer, infection or inflammation.

Why it is done

Cancer staging and response to treatment.

Preparation

Fast 4 to 6 hours; diabetes needs special instructions about sugar and insulin; avoid hard exercise the day before.

Radiation & safety

Typical effective dose 10 to 25 mSv, similar to about 3 to 8 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

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 pet ct show?
Active tissue such as cancer, infection or inflammation.

Why is a pet ct done?
Cancer staging and response to treatment.

How do I prepare for a pet ct?
Fast 4 to 6 hours; diabetes needs special instructions about sugar and insulin; avoid hard exercise the day before.

Does a pet ct use radiation?
Typical effective dose 10 to 25 mSv, similar to about 3 to 8 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 pet ct take?
2 to 3 hours

PET-CT scan किन गरिन्छ?
Cancer staging and response to treatment.

PET-CT scan का लागि कसरी तयारी गर्ने?
Fast 4 to 6 hours; diabetes needs special instructions about sugar and insulin; avoid hard exercise the day before.

PET-CT scan गर्भावस्थामा सुरक्षित छ?
Typical effective dose 10 to 25 mSv, similar to about 3 to 8 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

आपत्काल — फोन102