Other tumors
Phyllodes tumor

Author: Deepali Jain, M.D. (see Authors page)

Revised: 4 January 2018, last major update August 2012

Copyright: (c) 2002-2018,, Inc.

PubMed Search: Phyllodes tumor pancreas

Cite this page: Jain, D. Phyllodes tumor. website. Accessed November 21st, 2018.
Definition / general
  • Similar to breast tumor; metastases much more likely than pancreas primary
Case reports
Microscopic (histologic) description
  • Cyst walls lined with a monolayer of nonatypical tall columnar epithelial cells
  • Solid areas show storiform proliferation of spindle cells with round, oval or elongated nuclei; also abundant collagen fibers
  • Solid areas send phylloid projections into the cystic spaces and main pancreatic duct
Cytology images

Images hosted on other servers:

Metastatic tumor to pancreas - stromal cells show cytological atypia, with nuclear enlargement, irregular chromatin, irregular nuclear membrane

Positive stains
Electron microscopy description
  • Well developed myofilaments with dense bodies, pinocytic vesicles, basal lumina