Flat Epithelial Atypia of the Breast
Supplemental Studies
Immunohistology
- No diagnostically useful markers are currently reported
Genetic Analysis
- No diagnostically useful markers are currently reported
Flat epithelial atypia is likely a precursor of low-grade DCIS and shares markers and genetic changes
- ER and PR frequently positive
- bcl2 positive
- Loss of heterozygosity at similar loci
