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I recently developed a mass under my nipple about the size of a ½ dollar accompanied with sensitivity almost painful. Is this normal?

A MyMyelomaTeam Member asked a question 💭
Reno, NV

48, with MM and KD diagnosed in apirl. Have undergone 4 rounds of PLEX, dex, velcade, dara, and revlamid. Doc says im in remission rn. Looking at a SCT.

November 22, 2025
 · 
Reactions
A MyMyelomaTeam Member

It’s better to get checked out than to worry. Check in with your Hematologist/Oncologist. It might be MM related. You won’t know until you are scanned.
Paula🌹

November 23, 2025
A MyMyelomaTeam Member

Men do get breast cancer. I avoid the compression breast imaging and get an ultrasound. Get it checked out.
Paula🌹

November 22, 2025
A MyMyelomaTeam Member

That would be my luck, first mm w/aki then breast cancer in the same year. Yeah sounds about right. That's like hitting the cancer lottery.

November 22, 2025
MyMyelomaTeam

Is developing a painful mass under the nipple normal during myeloma treatment?

A painful mass under your nipple isn't a typical symptom related to multiple myeloma itself. While myeloma can cause masses called plasmacytomas, these usually develop in bones (especially the spine, pelvis, or femur) or in soft tissues of the Show Full Answer

Is developing a painful mass under the nipple normal during myeloma treatment?

A painful mass under your nipple isn't a typical symptom related to multiple myeloma itself. While myeloma can cause masses called plasmacytomas, these usually develop in bones (especially the spine, pelvis, or femur) or in soft tissues of the head, neck, sinuses, or upper respiratory tract. They can also occur in organs like the bladder or gastrointestinal tract, but breast tissue isn't a common location.

Since you're in remission after treatment, this mass deserves prompt attention from your healthcare team. It could be:

* An unrelated benign condition
* A side effect from one of your medications
* Something that needs investigation to rule out other causes

Given your upcoming stem cell transplant, it's especially important to get this evaluated soon. Contact your oncologist or care team right away to have them examine the mass and determine if any imaging or biopsy is needed. They can assess whether this could be related to your myeloma or if it's something else entirely that needs attention.

Don't wait on this one — your medical team needs to know about any new masses or changes in your body, especially with your treatment history.

November 22, 2025

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