Breast - nonmalignant
Benign tumors / changes
Phyllodes tumor - borderline

Author: Hind Nassar, M.D. (see Authors page)

Revised: 20 August 2018, last major update April 2010

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

PubMed Search: Phyllodes borderline [title] tumor breast

See also: Phyllodes - generalPhyllodes - benignPhyllodes - malignant

Cite this page: Nassar, H. Phyllodes tumor - borderline. website. Accessed September 22nd, 2018.
Definition / general
  • Has features intermediate between benign and malignant phyllodes tumors
  • May be considered low grade malignant tumors
Clinical features
  • Wide local excision
Microscopic (histologic) description
  • Moderate cellularity (between benign and malignant), 1 - 5 mitotic figures/10 HPF, partially or entirely infiltrative border
Microscopic (histologic) images

Images hosted on other servers:

Borderline tumor

Virtual slides

Images hosted on other servers:

Cystosarcoma phyllodes borderline

Molecular / cytogenetics description