Phyllodes tumor

Phyllodes tumor
Updated:07/01/2023
© Jun Wang, MD, PhD

General features
  • Biphasic tumor with hypercellular stroma
  • Three categories based on histology: benign, borderline and malignant
  • Malignant type more common in older women
  • Local recurrence common if not completely removed
  • Malignant type may metastasize to lung, bone, CNS
  • 1q+ most common chromosomal abnormality
Clinical presentations
  • Firm mass
Key morphological features
Treatment
  • Excision



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