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Diseases

Genetic and Rare Diseases Information Center (GARD)

Phyllodes tumor of the breast


Other Names for this Disease
  • Phyllodes breast tumor
  • Cystosarcoma phyllodes
  • Phylloides tumor
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Overview

Phyllodes tumors of the breast are rare tumors that start in the connective (stromal) tissue of the breast.[1][2] They get their name from the leaf-like pattern in which they grow (phyllodes means leaf-like in Greek).[2][3] They are most common in women in their 30s and 40s, although women of any age can be affected. These tumors, which are usually painless, tend to grow quickly, but rarely spread outside of the breast.[1][2] Most phyllodes tumors are benign. About 1 in 10 are cancerous.[1] The underlying cause of these tumors in unknown.[3] Surgery is the main treatment. Because the tumors can reoccur if they are not removed with enough surrounding tissue, the tumor and at least 1 cm of tissue should be removed. Cancerous phyllodes tumors are often treated with mastectomy. Close follow-up with frequent breast examinations are recommended after surgery.[1][2]   
Last updated: 7/4/2016

References

  1. Phyllodes tumors. American Cancer Society. April 21, 2016; http://www.cancer.org/healthy/findcancerearly/womenshealth/non-cancerousbreastconditions/non-cancerous-breast-conditions-phyllodes-tumors.
  2. Phyllodes Tumors of the Breast. BreastCancer.org. April 6, 2016; http://www.breastcancer.org/symptoms/types/phyllodes.
  3. Lannin DR. Phyllodes Tumor (Cystosarcoma Phyllodes). Medscape Reference. June 20, 2016; http://emedicine.medscape.com/article/188728-overview.
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Basic Information

  • The American Cancer Society provides information on Phyllodes tumor of the breast. Please click on the link to access this resource.
  • Breastcancer.org provides information on Phyllodes tumor of the breast. Click on the link to access this information.

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Phyllodes tumor of the breast. Click on the link to view a sample search on this topic.
  • UpToDate has an article on Phyllodes tumor of the breast. Click on UpToDate to view the page.
Other Names for this Disease
  • Phyllodes breast tumor
  • Cystosarcoma phyllodes
  • Phylloides tumor
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.