This rare type of breast would include -rapid unusual increase in breast size,redness, rash, blotchiness on breast,persistent itching of breast or nipple,thickening of breast
tissue,stabbing pain and/or soreness of breast
,swelling of lymph nodes under the
arm or above the collarbone,dimpling or ridging of the breast,flattening or retracting of nipple,a lump that may or may not be present.
A skin biopsy such as you had would have certainly shown if you had this disease. .