1. Primary carcinoid tumour of the common bile duct
A. Lombardi, Dr G. Batignani, G. Nesi, A. Amorosi, E. Mazza, A. Calabro’, C. Surrenti, F. Tonelli 
HPB 
Volume 2, Issue 2, Pages (January 2000)
DOI: /S X(17)
Copyright © 2000 International Hepato-Pancreato-Biliary Association Terms and Conditions

2. Figure 1
CT scan showing a solid tumour in the head of pancreas, compressing the distal common bile duct.
HPB 2000 2, DOI: ( /S X(17) )
Copyright © 2000 International Hepato-Pancreato-Biliary Association Terms and Conditions

3. Figure 2
Gross specimen. The neoplastic lesion appeared as a well circumscribed, yellowish mass encircling the common bile duct and growing within the lumen: (1–2) bile duct, (3) carcinoid tumour, (4) ampullary region.
HPB 2000 2, DOI: ( /S X(17) )
Copyright © 2000 International Hepato-Pancreato-Biliary Association Terms and Conditions

4. Figure 3
The tumour exhibited small round cells arranged in nests, separated by dense connective tissue (haematoxylin-eosin × 200).
HPB 2000 2, DOI: ( /S X(17) )
Copyright © 2000 International Hepato-Pancreato-Biliary Association Terms and Conditions

5. Figure 4
Cytoplasmic positivity to chromogranin A in the neoplastic cells (avidin-biotin-peroxidase method × 350).
HPB 2000 2, DOI: ( /S X(17) )
Copyright © 2000 International Hepato-Pancreato-Biliary Association Terms and Conditions