Preferred Label : Flat epithelial atypia of breast;
ICD-11 definition : A breast lesion characterized by the presence of dilated terminal ductal lobular units
in which the epithelial lining has been replaced by a single layer of mildly atypical
cells, or there is atypical, monotonous epithelial hyperplasia of three to five layers.
This lesion relates to columnar cell change with atypia and columnar cell hyperplasia
with atypia.;
Origin ID : 1529831327;
Automatic exact mappings (from CISMeF team)
A breast lesion characterized by the presence of dilated terminal ductal lobular units
in which the epithelial lining has been replaced by a single layer of mildly atypical
cells, or there is atypical, monotonous epithelial hyperplasia of three to five layers.
This lesion relates to columnar cell change with atypia and columnar cell hyperplasia
with atypia.
