Diagnostic tests for carcinoid syndrome Carcinoid syndrome is usually a manifestation of metastatic carcinoid tumor. This is because the liver acts as a first filter metabolizing hormones secreted
Metabolic tracers for PET scan include C-11 palmitate, I-123 Beta-methyl-p-[123I]-iodophenyl-pentadecanoic acid (BMIPP) and F18 fluro-deoxy glucose (FDG).
