Nipple Discharge: Causes and Concerns After Mastitis - Surgery

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Nipple discharge?


Hello doctor, I had mastitis six months ago before giving birth, and it kept recurring.
It hasn't recurred in the past two months, but today I noticed a yellow discharge from my nipple.
It doesn't hurt or itch, and I was able to express a significant amount.
There was a little blood, but then it stopped.
I had an ultrasound last month, which only showed inflammation and nothing else.
Why is this happening?

Ling, 30~39 year old female. Ask Date: 2017/01/11

Dr. Wu Yuting reply Surgery


Hello: It is recommended that you consult a breast surgeon to clarify your condition! Breast Surgeon Dr.
Wu Yu-Ting.

Reply Date: 2017/01/11

More Info


Nipple discharge can be a concerning symptom, especially following a history of mastitis. Mastitis is an infection of the breast tissue that can result in pain, swelling, warmth, and redness, and it can lead to the formation of abscesses if not treated properly. The discharge you are experiencing, particularly the yellowish fluid with a hint of blood, warrants careful consideration.

There are several potential causes for nipple discharge, especially after a history of mastitis:
1. Residual Infection or Inflammation: Even if you have not had a recent recurrence of mastitis, it is possible that there is residual inflammation or infection in the breast tissue. This could lead to the production of discharge, which may be yellowish due to pus or other inflammatory materials.

2. Duct Ectasia: This condition occurs when a milk duct beneath the nipple dilates, fills with fluid, and thickens. It can lead to discharge that may be sticky and yellow or greenish. Duct ectasia is more common in women who are nearing menopause but can occur at any age.

3. Papilloma: A papilloma is a benign tumor that can develop in the ducts of the breast. It can cause discharge that may be bloody or clear. While papillomas are generally non-cancerous, they can sometimes be associated with more serious conditions.

4. Hormonal Changes: Hormonal fluctuations can also lead to changes in breast tissue and discharge. Conditions such as fibrocystic breast changes can cause various types of discharge, including yellow or greenish fluid.

5. Breast Cancer: Although less common, any discharge that is bloody or occurs spontaneously should be evaluated for the possibility of breast cancer. It is essential to rule out this serious condition, especially if there are other concerning symptoms or changes in the breast.

Given your history of mastitis and the recent development of discharge, it is crucial to consult with your healthcare provider. They may recommend further evaluation, which could include:
- Breast Ultrasound: Since you had an ultrasound recently that showed only inflammation, a follow-up may be necessary to assess any changes or new developments in the breast tissue.

- Mammogram: Depending on your age and risk factors, a mammogram may be warranted to rule out any underlying issues.

- Ductography: If there is a concern about a specific duct, a ductogram can be performed to visualize the duct and identify any abnormalities.

In the meantime, monitor your symptoms closely. If you notice any changes, such as increased discharge, pain, swelling, or a change in the appearance of your breast, seek medical attention promptly. It’s also important to avoid self-diagnosing or treating the condition without professional guidance, as this can lead to complications or mismanagement of the underlying issue.

In summary, while nipple discharge can arise from various benign conditions, your history of mastitis and the nature of the discharge necessitate a thorough evaluation by a healthcare professional to ensure appropriate diagnosis and treatment.

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