NEOPLASTIC: OTHER Intraductal papillary mucinous neoplasm, low-grade. See note. Note: The aspirate and cellblock shows low-grade gastric-type mucinous epithelium without stroma. An H&E stain was prepared and reviewed in our laboratory to analyze unexamined tissue deeper in the block. In addition immunostains performed at MGH show the following profile: p53- wild -type, p16- retained, SMAD4- retained, MTAP- retained
Correlation with imaging required. Any solid component or thick duct wall should be separately sampled.
Annotations and notes
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Clinical history
76 yo F w/ dilated pancreatic duct, signs of pancreatic divisum and fishmouth minor papilla, pancreatic head cystic mass (28.6 mm x 17.4 mm) abutting/communicating with the pancreatic duct at the head of the pancreas
Diagnosis
A. PANCREAS, HEAD, CYSTIC MASS: NEOPLASTIC: OTHER Intraductal papillary mucinous neoplasm, low-grade. See note. Note: The aspirate and cellblock shows low-grade gastric-type mucinous epithelium without stroma. An H&E stain was prepared and reviewed in our laboratory to analyze unexamined tissue deeper in the block. In addition immunostains performed at MGH show the following profile: p53- wild -type, p16- retained, SMAD4- retained, MTAP- retained Correlation with imaging required. Any solid component or thick duct wall should be separately sampled.
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