PMC6172444_01
Abdominal enhanced CT images, A and C: Early phase. B and D: Delayed phase. A and B: There is an 18-mm solid mass in the pancreatic head. The mass was poorly enhanced in the delayed phase and obstructed the common bile duct and the main pancreatic duct. C and D: A 35-mm cystisin the pancreatic body and is connected to the main pancreatic duct.
gr1.jpg
PMC6172444_01_gr1.jpg
fig0005
AFP, were within normal levels. A CT scan showed another 18-mm solid mass in the pancreatic head that obstructed the common bile duct, and the main pancreatic duct was dilated (Fig. 1).
Ultrasonography of the cyst connected to the main pancreatic duct, which contained a small solid component (arrows).
gr2.jpg
PMC6172444_01_gr2.jpg
fig0010
Ultrasonography showed that the cyst contained a mural node; intraductal papillary mucinous carcinoma was suspected (Fig. 2).
A resected 25-mm cystic mass from the pancreatic body that was continuous with the main pancreatic duct.
gr3.jpg
PMC6172444_01_gr3.jpg
fig0015
III according to the General Rules for the Study of Pancreatic Cancer (seventh edition) in Japan. In contrast, a 25-mm cystic mass was observed in the pancreatic body (Fig. 3).
Low-power view of the MANEC (left) (hematoxylin and eosin stain). A pink line outlines the adenocarcinoma in situ and the blue area contains the NEN (NET G1) (right).
gr4.jpg
PMC6172444_01_gr4.jpg
fig0020
The wall of the cyst consisted of two components (Fig. 4, Fig. 5).