Octreotide Case 1 Answers

1) Name the radiopharmaceutical

Octreotide is a synthetic version of somatostatin, originally developed for treating carcinoid syndrome. It is an 8 amino acid peptide and has a longer half-life than somatostatin (2-3hrs vs. 2-3mins). It is usually labelled with 111-indium (called Octreoscan) as 123-iodine has drawbacks and 99m-technetium labelling hasn't been developed yet.

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