Phyllodes Tumor of the Breast

Phyllodes tumor of the breast is a benign newgrowth of the breast which usually rapidly increases in size. The mass usually contains fleshy and cystic areas which have led to its original name being used (cystosarcoma phyllodes – cysto = cystic areas; sarcoma = fleshy areas). There are usually no associated axillary lymph nodes despite its huge size.  A wide excision is the treatment of choice.  Depending on the size of the phyllodes at the time of treatment, the wide excision may entail a subtotal or a total mastectomy.

A 55-year-old female with a 13-cm phyllodes tumor.  The mass was near the skin level already that an ecclipse of skin was removed en toto with the mass. A good margin was secured to avoid recurrence.


Cut section shows fleshy and cystic areas typical of phyllodes tumor.



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