Surgery Which of the following is the preoperative imaging study of choice for gastrinoma ? A Magnetic resonance imaging (MRI) B Endoscopic ultrasound (EUS) C Somatostatin receptor scintigraphy D CT scan 💡 Explanation Which of the following is the preoperative imaging study of choice for gastrinoma ? ✓ Correct Answer: C. Somatostatin receptor scintigraphy