In 111 Labeled Radiopharmaceuticals

Question 1

In 111 DTPA

Answer 1

a diagnostic drug for intrathecal use.

T 1/2 = physical half-life of 67.2 hours (2.8 days).

Note: Intrathecal chemotherapy. Anticancer drugs are injected into the intrathecal space, which is the space that holds the cerebrospinal fluid

Question 2

In 111 chloride

Answer 2

cyclotron produced

physical half-life of 67.2 hours (2.8 days).

Question 3

In 111 oxine labeled WBC

Answer 3

Decays by electron capture

physical half-life of 67.2 hours (2.8 days).

Question 4

In 111 pentetreotide

Answer 4

Octreoscan