Phyllodes tumor of the breast
Other Names for this Disease
- Phyllodes breast tumor
- Cystosarcoma phyllodes
- Phylloides tumor
 They get their name from the leaf-like pattern in which they grow (phyllodes means leaf-like in Greek). 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. Most phyllodes tumors are benign. About 1 in 10 are cancerous. The underlying cause of these tumors in unknown. 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.Phyllodes tumors of the breast are rare tumors that start in the connective (stromal) tissue of the breast.
Last updated: 7/4/2016
- Phyllodes tumors. American Cancer Society. April 21, 2016; http://www.cancer.org/healthy/findcancerearly/womenshealth/non-cancerousbreastconditions/non-cancerous-breast-conditions-phyllodes-tumors.
- Phyllodes Tumors of the Breast. BreastCancer.org. April 6, 2016; http://www.breastcancer.org/symptoms/types/phyllodes.
- Lannin DR. Phyllodes Tumor (Cystosarcoma Phyllodes). Medscape Reference. June 20, 2016; http://emedicine.medscape.com/article/188728-overview.
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- 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.
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