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home - Pancreas - Pancreatic Masses and Cysts - Pseudopapillary Neoplasm Written by Dr Sebastian Zeki

Pseudopapillary Neoplasm

Solid pseudopapillary neoplasmPapillary cystic tumor of the pancreas, also referred to as papillary cystic neoplasm or solid and pseudopapillary neoplasm Locally invasiveMets in 15% metastasize Young womenLeast common of cystic neoplasmsHead, body or tail They begin as solid neoplasms that become cystic as they grow large and the cells become so far removed their blood supply that they undergo apoptosis or necrosis. Tumour is composed primarily of polygonal cells with a moderate amount of cytoplasm.Multiple capillary-size vessels traverse the tumor, and when they become cystic, these vessels are surrounded by single or multiple layers of surviving tumor cells, giving the lining an irregular "pseudo-papillary" appearance where tumor cells have survived. Written by Dr Sebastian Zeki

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