Functional PET imaging techniques for metastatic gastrointestinal tract neuroendocrine tumor
Functional PET imaging techniques for metastatic gastrointestinal tract neuroendocrine tumor
(A) Fused 18F-dihydroxy-phenyl-alanine (18F-DOPA) positron emission tomography (PET)/computed tomography scan (B) Somatostatin receptor scintigraphy (C) 18F-DOPA PET (D) 11C-5-hydroxy-tryptophan (11C-5-HTP) PET of an 80-year-old male patient with metastatic neuroendocrine tumor of the gastrointestinal tract