Paget’s Breast Explained: Causes, Management, and When to See a Doctor

Paget's breast is a rare form of breast cancer that usually affects the skin of the nipple and often the areola. It can look like a persistent rash or irritation, but unlike common skin conditions, it needs medical evaluation because it may be linked to cancer inside the breast.

What is paget's breast?

Paget’s breast, also called Paget disease of the breast, is a rare type of breast cancer that starts in or affects the nipple and usually extends to the darker skin around it, called the areola. It often appears as a persistent skin change rather than a lump, which is why some people first mistake it for eczema, irritation, or an infection.

In many cases, paget’s breast is linked to an underlying cancer deeper inside the breast. This may be noninvasive disease, such as ductal carcinoma in situ, or an invasive breast cancer. Because of this connection, changes on the nipple are not viewed as a skin problem alone; they are a sign that the breast itself needs proper evaluation.

This condition can affect women of different ages, though it is more often diagnosed in adults later in life. It usually involves one breast rather than both. Early assessment matters because treatment is most effective when the disease is identified clearly and managed according to whether a deeper tumor is present.

How it may look and feel

Paget’s breast often develops gradually. The nipple or areola may become red, flaky, scaly, crusted, or thickened. Some people notice itching, burning, tenderness, or a stinging feeling. Others may see flattening of the nipple, a change in nipple shape, or fluid leaking from the nipple.

One reason paget’s breast can be overlooked is that symptoms may come and go at first. Creams or moisturizers may seem to help briefly, but the change tends to return or persist. A one-sided rash involving the nipple itself is especially important to have checked, because common eczema more often affects both sides and usually spares the nipple tip.

Not everyone has the same symptoms. Some people also feel a lump in the breast, while others do not. If a lump is present, there may be a higher chance that invasive cancer is also present, but only imaging and biopsy can confirm the cause.

• Redness or irritation of the nipple or areola
• Scaling, crusting, or peeling skin
• Itching, burning, or soreness
• Nipple discharge, sometimes bloody
• Flattening or inward turning of the nipple
• A breast lump or thickened area

Why it happens and who may be at risk

Doctors believe paget’s breast usually develops when cancer cells from ducts inside the breast travel to the skin of the nipple. Less commonly, abnormal cells may begin in the nipple area itself. This helps explain why the condition is so often associated with another breast cancer found on imaging or in tissue samples.

The exact cause is not fully understood, but many of the risk factors overlap with those for other types of breast cancer. These can include increasing age, a personal or family history of breast cancer, certain inherited genetic changes, dense breast tissue, prior chest radiation, and some hormonal or reproductive factors. Having risk factors does not mean a person will definitely develop the condition, and some people diagnosed with paget’s breast have no clear risk factors at all.

Because paget’s breast is uncommon, it is important not to jump to conclusions about every nipple rash. At the same time, persistent nipple changes should not be ignored. The key concern is not the rash itself, but whether there is an underlying breast cancer that needs to be found and treated.

How doctors diagnose paget's breast

Diagnosis starts with a medical history and careful breast exam. A doctor will ask when the skin changes started, whether they improve or worsen, and whether there is pain, discharge, or a breast lump. The appearance of the nipple and areola can provide important clues, but examination alone cannot confirm the diagnosis.

The next step is usually imaging. A mammogram is often used to look for suspicious changes inside the breast. Breast ultrasound may be added, especially if there is a palpable lump or an area that needs closer assessment. In some situations, breast MRI can help evaluate disease that is not clearly visible on other tests. These tests may be part of a broader mammography assessment and breast imaging workup.

A biopsy is needed to confirm paget’s breast. This may involve taking a small sample from the nipple or affected skin, and if imaging shows a deeper lesion, that area may also be biopsied. Pathology results help determine whether cancer is present, whether it is noninvasive or invasive, and whether markers such as hormone receptor or HER2 status should guide treatment. In some patients, doctors also assess nearby lymph nodes depending on imaging and surgical planning.

Treatment options and how care is planned

Treatment for paget’s breast is individualized. The main question is whether the disease is confined to the nipple area or whether there is additional cancer elsewhere in the breast. Surgery is usually the central treatment, but the exact operation depends on the size and location of disease, breast imaging findings, and whether lymph nodes are involved.

Some people may be treated with breast-conserving surgery that removes the nipple-areola complex and the affected tissue, often followed by radiotherapy. Others may need breast cancer surgery such as mastectomy, particularly if there is more extensive cancer in the breast. If invasive cancer is present, lymph node evaluation may also be recommended.

Additional treatment may be advised based on pathology results. This can include hormone therapy, targeted therapy, chemotherapy, or a combination of treatments, depending on the cancer type and stage. Management is usually planned by a multidisciplinary team that may include breast surgeons, radiologists, pathologists, medical oncologists, and radiation oncologists. The goal is to treat both the visible nipple disease and any underlying cancer comprehensively.

Living with the condition: self-care, recovery, and emotional support

Before diagnosis, it is best not to rely on repeated self-treatment for a nipple rash that keeps returning. Moisturizers or skin creams may ease discomfort temporarily, but they do not address the underlying cause if paget’s breast is present. Keeping the area clean, avoiding harsh products, and wearing soft clothing may help reduce irritation while waiting for medical assessment.

After treatment, recovery depends on the type of surgery and whether radiation or systemic therapy is needed. Follow-up visits are important to monitor healing, review pathology, and plan long-term surveillance. Many people also benefit from practical support for scar care, arm mobility after lymph node procedures, and management of treatment-related side effects.

The diagnosis can understandably feel emotionally heavy, especially when symptoms first seemed minor. Clear communication with the care team, second opinions when needed, and support from counselors or patient groups can be helpful. Near the end of the care pathway, some international patients choose centers such as Acibadem International, where multidisciplinary specialists in JCI-accredited hospitals diagnose and treat breast conditions in a coordinated way.

When to seek medical care

Medical care should be sought if there is a nipple or areola rash that does not improve, especially if it affects one breast only. Ongoing redness, scaling, crusting, itching, discharge, or a change in nipple shape all deserve professional evaluation. Even if the area looks like eczema, persistent symptoms should not be assumed to be a simple skin problem.

More urgent assessment is appropriate if there is bloody nipple discharge, a new breast lump, skin thickening, or swelling in the underarm area. These findings do not always mean cancer, but they should be checked promptly. A doctor can decide whether breast imaging, referral to a specialist, or tissue biopsy is needed.

People who have been treated for paget’s breast should also seek care if they notice new breast changes, problems with the surgical area, or symptoms that suggest treatment side effects. Regular follow-up remains an important part of care, because it helps detect recurrence or separate new benign symptoms from those that need further testing.

Frequently asked questions

Is paget's breast always cancer?

Paget's breast is considered a form of breast cancer affecting the nipple area. In many cases, it is also associated with cancer deeper inside the breast, such as ductal carcinoma in situ or invasive breast cancer. That is why biopsy and imaging are important.

Can paget's breast look like eczema?

Yes. It often causes redness, scaling, itching, or crusting that can resemble eczema or dermatitis. A key difference is that paget's breast often affects one nipple and does not fully resolve with routine skin treatment.

Does paget's breast always cause a lump?

No. Some people have only nipple or areola changes and no noticeable breast lump. However, a lump may be present if there is underlying invasive cancer, which is why imaging is usually part of the evaluation.

How is paget's breast confirmed?

The diagnosis is confirmed with a biopsy of the nipple or affected skin. Doctors usually combine this with breast imaging, such as mammography, ultrasound, or sometimes MRI, to look for any underlying tumor.

What is the usual treatment for paget's breast?

Treatment most often includes surgery, with the exact approach based on the extent of disease in the nipple and the rest of the breast. Some people also need radiation therapy, hormone therapy, chemotherapy, or targeted treatment depending on biopsy findings.

Can paget's breast be treated successfully?

Many people can be treated effectively, especially when the condition is diagnosed early and care is based on the full pathology and imaging picture. Outcome depends on whether there is an underlying invasive cancer and how advanced it is at diagnosis.

References

• National Cancer Institute
• American Cancer Society
• National Health Service
• Mayo Clinic
• Breastcancer.org

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.