definition of atypia and dysplasia
This is due to the confering of such atypia to progeny-cells further down the lineage of that cell type. The term atypia is also used dermatologically and can be a precursor to melanoma. The related concept of dysplasia refers to an abnormality of development, and includes abnormalities on larger, histopathologic, scales.
Definition of atypiain medicine, atypia is an abnormality in cells tissue. If this is discovered at breast biopsy, removed 6 aug 2015 benign biopsies that show atypia indicate although the cells examined are not frankly malignant neither they entirely normal medical definition of atypism.