Ga-68 SMS-R PET/CT in the Detection of Unknown Primary Neuroendocrine Tumor- Single Centre Result in 124 Patients


Introduction: Ga-68 Somatostatin-Receptor PET/CT (R-PET/CT) has been reported to be superior to In-111 octreoscan in the detection of unknown primary of neuroendocrine tumors (CUP-NET) (EJNMMI 2010 Jan;37(1):67-77)

Aim(s): To confirm the results in a larger group of patients and to look into the possible reasons for the false negative findings of R-PET/CT.

Materials and methods: Overall 124 patients (Female: Male 34:56) having CUP-NET (defined as no evidence of primary on the conventional morphological imaging) were included in this study. In addition MRI, CT-Abdomen, Ultrasound Abdomen and Endosonography and FDG PET/CT was performed wherever needed.

Conference: 8th Annual ENETSConcerence (2011)

Presenting Author:

Authors: Prasad V, Hommann M, Settmacher U, Kaemmerer D, Hoersch D,

Keywords: CUP NET, Ga-68 SMS-R PET/CT,

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