PMC4435368_01
Cyst lesion measuring 7.1 x 3.3 cm adjacent to the pancreas demonstrates increased signal on T2-weighted image. The lesion is separate from the adjacent pancreas and stomach.
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F1
A magnetic resonance imaging (MRI) / magnetic resonance cholangiopancreatography (MRCP) showed no communication between the lesion and the stomach or pancreatic duct (Figure 1).
EUS showing an anechoic cystic lesion at the tail of the pancreas without direct communication with the pancreatic duct or stomach wall.
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F2
EUS with FNA visualized an anechoic cystic lesion near the tail of the pancreas not connected with the pancreatic duct or the stomach wall (Figure 2).
Respiratory epithelium on H&E stain showing serrated lining in gastric duplication cyst (4x magnification).
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F3
The surgical specimen revealed a gastric duplication cyst lined predominantly by respiratory epithelium (Figure 3) with a focus of gastric mucosa with intestinal metaplasia (Figure 4) and no malignancy.
Respiratory epithelium of gastric duplication cyst transitioning focally into gastrointestinal-type epithelium.
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F4
The surgical specimen revealed a gastric duplication cyst lined predominantly by respiratory epithelium (Figure 3) with a focus of gastric mucosa with intestinal metaplasia (Figure 4) and no malignancy.