Surgery: How is localization of gastrinoma?

Question

How is localization of gastrinoma?

H K · Accepted Answer

Preoperative 
ceCT
SSTR (octreotide) scintigraphy  : single test of choice
Tu. <1 cm found 85%
Octreotide scan + EUS : Best 
Tu. <1cm found 90%
EGD
Intraoperative Localization
Palpation + IOUS
Intraoperative EGD
Duodenotomy

Surgery

How is localization of gastrinoma?

Preoperative ceCT SSTR (octreotide) scintigraphy : single test of choice Tu. <1 cm found 85% Octreotide scan + EUS : Best Tu. <1cm found 90% EGD Intraoperative Localization Palpation + IOUS Intraoperative EGD Duodenotomy

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