A related discussion, breast cancer and pregnancy was started.
Dear mariamkh, Granulomatous mastitis (GM) is a benign inflammatory breast disease of unknown origin that usually affects young women of childbearing age. Patients usually present with a progressive onset of a breast lump and there is no history of infection or trauma. The breast lump can be of variable size, is usually unilateral, firm, ill defined, and mildy tender. Sometimes an associated locally inflammatory reaction is present; nipple retraction is common. Enlargement of lymph nodes under the arm is common. It can be easily confused with malignant breast cancer and requires thorough pathology review as there have been cases of patients who were thought to have had a malignant disease that in some instances resulted in inappropriate radiotherapy and wide resection of breast tissue.
As this is a breast cancer forum our expertise regarding breast cancer. You may want to consider seeing a breast specialist for advise regarding this condition. These types of specialists are generally associated with large acedemic centers.