Nuclear Medicine Radiotracers: Types, Uses, and Half-Lives

What is the physical half-life of Tc-99m?

6 hours

What are the primary clinical uses for Tc-99m Sodium Pertechnetate?

Brain, thyroid, scrotum, salivary glands, renal perfusion, pericardial effusion, L→R cardiac shunts, and Meckel's diverticulum

For what conditions is Tc-99m Sulfur Colloid used?

Liver/spleen/renal transplants, lymphoscintigraphy, and bone marrow scintigraphy

Which agent is used for pulmonary perfusion and liver intraarterial scintigraphy?

Tc-99m MAA

What is the primary use of Tc-99m Sestamibi?

Cardiovascular imaging and myocardial perfusion

What is the half-life of I-131?

8 days

What is the difference between I-123 and I-131 Sodium Iodide usage?

I-123 is used for thyroid function imaging, while I-131 is used for thyroid function imaging and therapy

What is the half-life of Ga-67?

77 hours

What is the clinical application of Gallium Citrate (Ga-67)?

Imaging of inflammatory processes and tumors

What is the primary use of In-111 DTPA?

CSF imaging

Which PET agent is used for both metabolic and tumor imaging?

F-18 FDG

Name three PET perfusion agents.

O-15 water, N-13 ammonia, and Rb-82 Chloride

What is the PET agent used for amyloid imaging?

F-18 florbetapir

What is the clinical indication for I-131 Tositumomab?

B-cell non-Hodgkin's Lymphoma

Which agents are used for bone pain palliation in patients with 2 or more osseous metastases?

Sr-89 Chloride, Sm-153 Lexidronam, and P-32 Sodium Phosphate

What is the therapeutic use of P-32 Chromic Phosphate and Tc-99m Sulfur Colloid in the synovial cavity?

Pain palliation for rheumatoid arthritis and hemophilic arthropathy

What is the half-life of Tl-201?

75.5 hours

Which agent is used for renal dynamic scintigraphy?

Tc-99m MAG3 / Mertiatide

What is the half-life of I-125?

60 days

What is the primary use of I-125 Human Serum Albumin?

Plasma volume measurement