Columnar Cell Change
Also called Columnar Cell Lesion, Columnar Cell Hyperplasia, Columnar Cell Change with Prominent Apical Snouts and Secretions (PAS)
A common and harmless finding where cells lining the breast ducts have changed shape.
What it is
Columnar cell change is a finding where the cells lining your milk ducts look taller than usual, like columns, when viewed under a microscope. These cells are not unhealthy, they just have a different shape. This is usually seen by a pathologist looking at breast tissue from a biopsy.
How common it is
This is a very common finding on breast biopsies. It is often discovered by chance when a biopsy is done for another reason, such as checking on tiny calcifications.
What you may notice
You likely will not notice any symptoms. Columnar cell change does not usually form a lump you can feel or cause any pain.
What can contribute
The exact cause is not known. These cell changes may be related to the normal hormonal shifts that happen in your body over your lifetime.
How it is usually checked
This condition is diagnosed by looking at breast tissue from a biopsy under a microscope. Your provider may have seen tiny calcifications on your mammogram that led to the biopsy, as the cell changes themselves are not usually visible on imaging.
Does this change my long-term risk?
This finding is considered harmless and does not change your long-term breast health risk. Your provider will review your full pathology report to see if any other findings need attention.
Comfort and everyday care
- Eating a balanced diet rich in fruits and vegetables supports your overall health.
- Gentle movement, like walking or yoga, can help you feel your best and manage stress.
- Some women find that reducing caffeine intake helps with overall breast tenderness, though this is not directly related to columnar cell change.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
When to get it checked
- You get a report with words you do not understand and want to discuss it with your provider.
- You feel a new lump, thickening, or any change that feels different from the rest of your breast.
- You notice new or unusual pain in one spot that does not go away after your next period.
- Your nipple looks different, such as pulled in, or has any new discharge.
- You see any changes to the skin of your breast, like puckering, dimpling, or a new rash.
Related reading
This is education, not a diagnosis. Nothing here replaces an exam, imaging, or a conversation with your own provider.
