Johns Hopkins Pathology

 
Key Points:
  • Ucommon
  • Biologically indolent
  • Found in young women (late '20's)

Solid-Pseudopapillary neoplasms are uncommon, biologically indolent neoplasms. They are composed of discohesive polygonal cells that surround delicate blood vessels. They frequently show cystic degeneration and intracystic hemorrhage. They are often found in young women, median age of 27. Other names that have been given to this neoplasm are: “solid and papillary tumor, papillary cystic tumor, solid-cystic tumor, and solid, cystic, and papillary epithelial neoplasm.”

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