| Nomenclature used in the literature*
|
Cellular origin / Differentiation
|
Example
|
| Hyperplasia
|
Alveolar
/Ductal
|
 |
| Hyperplastic alveolar nodule (HAN)
|
Alveolar
|
 |
| Plaque/organoid/pregnancy-dependent "tumor" (Type
P)
|
Ductal
|
|
| Adenocarcinoma
|
Alveolar
|
|
| Type A
|
Alveolar
|
 |
| Type AB/Type B/Type L
|
Alveolar
|
|
| Type B/Type Y
|
Alveolar
|
 |
| Type B/Type P
|
Alveolar/Ductal
|
 |
| Adenoacanthoma/Pale cell tumor/Large cell tumor/Adenosquamous
carcinoma
|
Alveolar
|
 |
| Molluscoid tumor/Intraductal squamous carcinoma
|
Ductal
|
 |
| Adenocarcinoma type C/Carcinosarcoma/Mixed tumor/Adenomyoepithelioma
|
Alveolar and/or ductal,
myoepithelial possibly with cartilage or bone
|
 |
* alveolar or ductal origin/differentiation
