Proliferative disease with/ without atypia (More than 2 layers of epithelial cells)

Proliferative disease without atypia name

Epithelial hyperplasia

Epithelial hyperplasia histology (2)

1. Mild hyperplasia 3 or 4 layers of cells instead of 2

2. Progresses to Marked or Florid

   hyperplasia

Proliferative diseases with atypia – Two types

1. Atypical ductal hyperplasia (ADH)

2. Atypical lobular hyperplasia (ALH)

classification is based more on what the cells

look like under the microscope

Epithelial hyperplasia symptoms

none

Epithelial hyperplasia typical way of detection

Incidental finding on a biopsy

ALH symptoms

None

ALH Typical way of detection

Incidental finding on a biopsy

ADH Symptom

None

ADH Typical way of detection

1. Incidental finding on a biopsy

2. Biopsy of a suspicious area on a

   mammogram (e.g. microcalcifications)