Ductal Carcinoma in situ (Medium Power)

Ductal Carcinoma in situ (Medium Power) • The lumen contains microcalcifications. • Although the basement membrane and delimiting fibroblasts are normal, the epithelial lining of this duct is abnormal. • At this power the fact that nuclei are found at the lumenal border is indicative of the abnormality of this duct. (Description By:Melinda Sanders, M.D. ) (Image Contrib. by: UCHC )