Introduction: The SEER database has shown that gallbladder NET is 0.5% of all NET cases, and G1 cases are limited to 2% in the rare gallbladder NET cases.
Aim(s): Here we experienced a rare case of G1 NET in the gallbladder, and report the clinical features of our case.
Materials and methods: Case: The patient was 48 year-old man, incidentally pointed out a mass in the cystic duct. Dynamic CT scan showed a space-occupying lesion in the cystic duct. MRCP showed papillary lesion protruding into the cystic duct. Those scans showed no signs of invasive tumor, and the tumor was just localized within the cystic duct. FDG-PET showed no significant accumulation. Duct biopsy and bile cytology was negative for malignancy, but imaging analysis never excluded the malignant possibility.
Conference: 14th Annual ENETS conference 2017 (2017)
Category: Clinical cases/reports
Presenting Author: Kenzo Nakano
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