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An intraductal papilloma is a wart-like lump that develops in one or more of the milk ducts in the breast.
It’s usually close to the nipple, but can sometimes be found elsewhere in the breast.
Intraductal papilloma is a benign (not cancer) breast condition.
It’s most common in women over 40 and usually develops naturally as the breast ages and changes.
Men can also get intraductal papillomas but this is very rare.
Intraductal papilloma is not the same as papillary breast cancer although some people confuse the two conditions because of their similar names.
You may notice:
An intraductal papilloma isn’t usually painful, but some women do have discomfort or pain around the area.
Intraductal papillomas generally don’t increase the risk of developing breast cancer.
Some intraductal papillomas contain cells that are abnormal but not cancer (atypical cells). This has been shown to slightly increase the risk of developing breast cancer in the future.
Some people who have multiple intraductal papillomas may also have a slightly higher risk of developing breast cancer.
Intraductal papillomas can be found:
You’ll be referred to a breast clinic where you’ll see specialist doctors or nurses.
At the breast clinic you’ll have a range of tests to help make a diagnosis. These may include:
Women under 40 are more likely to have an ultrasound scan than a mammogram. Younger women’s breast tissue can be dense which can make the x-ray image in a mammogram less clear. However, some women under 40 may still have a mammogram.
If a biopsy hasn’t given a definite result and more breast tissue is needed to make a diagnosis, or if the area of concern is difficult to target, you may be offered a vacuum assisted biopsy. This procedure takes a little longer than a core biopsy. A vacuum assisted biopsy uses a needle attached to a vacuum to take samples of breast tissue for examination. It’s done using a local anaesthetic.
Intraductal papillomas are often removed using surgery.
Your specialist may want you to have an operation called an excision biopsy to remove the intraductal papilloma.
An excision biopsy can be carried out under a local or general anaesthetic.
The breast tissue removed will be examined under a microscope, which can help confirm the diagnosis.
Your surgeon may use dissolvable stitches placed under the skin which won’t need to be removed. However, if non-dissolvable stitches are used, they’ll need to be taken out a few days after surgery. You’ll be given information about this and about looking after the wound before you leave the hospital.
The operation will leave a scar but this will fade over time.
You may be offered a vacuum assisted excision biopsy to remove the intraductal papilloma.
After an injection of local anaesthetic, a small cut is made in the skin. A hollow probe connected to a vacuum device is placed through this. Using a mammogram or ultrasound as a guide, breast tissue is sucked through the probe by the vacuum into a collecting chamber. The biopsy device is used until the area being investigated has all been removed. This may mean that an operation under a general anaesthetic can be avoided. The tissue removed is sent to a laboratory to be examined under a microscope.
This procedure can cause some bruising and pain for a few days afterwards.
If you’ve had surgery and continue to have discharge from your nipple, you may need to have another operation.
You may be offered:
The operation should solve the problem. However, as finding all the ducts can sometimes be difficult, you may need to have more ducts removed if the discharge comes back.
Breastfeeding isn’t possible from that breast if all the major ducts are removed, but may be possible after a microdochectomy.
The operation is usually done under a general anaesthetic. You’ll normally have your surgery as a day case, which means you’ll be admitted to hospital in the morning and sent home later the same day. But some people may need to stay overnight.
You’ll have a small wound near the areola (the darker area of skin around the nipple) with a stitch or stitches in it. There may be some bruising.
You’ll be given information about how to care for the wound and advice about pain relief. Some people experience changes in sensation to the nipple.
You may need to rest after the operation and avoid heavy lifting to begin with. Most women can return to work after a couple of days.
The operation will leave a small scar but this will fade in time. Your nipple may be less sensitive than it was before the operation.
You won’t usually need to go back to the breast clinic after the intraductal papilloma has been removed.
People with multiple intraductal papillomas or whose intraductal papillomas contained atypical cells are more likely to have follow-up appointments.
Even though your intraductal papilloma has been removed, it’s still important to be breast aware and go back to your GP if you notice any other changes in your breasts.