Radiation Detection in Nuclear Medicine — MCQs

99m Technetium labeled RBC scintigraphy is PRIMARILY used in the diagnosis of

Which radioisotope is commonly used in teletherapy?

Radiation Dose Monitoring in Occupational Workers is done by

Hot spot in heart is seen in which scan

A dense nephrogram is obtained by

The T1/2 of Iodine-131 is:

Which of the following agents is used to measure Glomerular Filtration Rate (GFR)?

In designing a clinical protocol for PSMA PET imaging in prostate cancer, which combination of factors would provide optimal image quality while minimizing radiation exposure?

A patient with treated breast cancer shows a liver lesion on CT. FDG-PET shows SUVmax of 2.8 in the lesion. Follow-up scan after 3 months shows increase in size but SUVmax decreased to 1.9. What is the most likely explanation?

A 45-year-old diabetic patient presents for FDG-PET scan for lymphoma staging. Blood glucose is 220 mg/dL. What is the most appropriate management before proceeding with imaging?