Hard Lumps Under the Nipple: A Guide to Diagnosis and Treatment - Breast and Thyroid

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There is a lump beneath the nipple?


Hello Dr.
Zhao: I have developed an adenoma on my left nipple.
After surgical removal, a hard lump about two centimeters in size was found beneath the nipple.
A biopsy was performed, and the doctor said it was inflammation.
However, after three months of not resolving, the doctor told me it was a sebaceous cyst.
Are sebaceous cysts and inflammation the same? The doctor also mentioned that the skin on the nipple is thinner and not suitable for removal, as it could lead to skin necrosis, so they suggested leaving it alone.
If it causes pain, the only treatment option is anti-inflammatory medication, and they said it would gradually grow larger.
Is this true? Additionally, they mentioned that I only need to have a check-up once a year.
Should I seek a second opinion at another hospital?

Hua Hua, 30~39 year old female. Ask Date: 2004/09/28

Dr. Zhao Ming reply Breast and Thyroid


Hello: The key point of your concern is whether there is indeed a palpable mass.
If there is a noticeable lump, it is advisable to have it re-evaluated and undergo a biopsy to rule out any newly developed tissue that may not be visible on imaging studies.
Seeking a second opinion when in doubt is not a bad idea.
Therefore, it would be best for you to consult a specialized breast surgeon for a follow-up examination.

Reply Date: 2004/09/28

More Info


Understanding hard lumps under the nipple can be concerning, especially after a previous diagnosis of a tumor and subsequent surgery. Based on your description, it seems you have experienced a complex situation involving a previous adenoma, the presence of a hard lump, and a diagnosis of inflammation followed by a diagnosis of a sebaceous cyst (or "粉瘤" in Chinese).
Firstly, let's clarify the terms involved. An adenoma is a benign tumor that arises from glandular tissue, while a sebaceous cyst is a closed sac under the skin filled with a cheese-like or oily material. Sebaceous cysts can occur when sebaceous glands become blocked, leading to the accumulation of sebum. Inflammation can occur in both conditions, but they are not the same. Inflammation refers to the body's response to injury or infection, which can lead to swelling, redness, and pain.

The fact that your doctor has indicated that the lump is a sebaceous cyst and that it is associated with inflammation suggests that it may not be immediately harmful, but it can cause discomfort or pain. The recommendation to avoid surgical removal due to the thin skin over the nipple is a valid concern. Surgical procedures in such sensitive areas can lead to complications, including skin necrosis (death of skin tissue), which is why your doctor may prefer a conservative approach.

Regarding your question about whether sebaceous cysts and inflammation are the same, they are not. Inflammation can be a symptom associated with a sebaceous cyst, but it can also occur due to other reasons, such as infection or irritation. The cyst itself is a distinct entity.

As for the management of your condition, if the lump is not causing significant pain or discomfort, monitoring it may be an appropriate strategy. However, if you experience increased pain, changes in the lump's size, or any other concerning symptoms, it would be wise to seek further evaluation.
You mentioned that your doctor suggested annual follow-ups. While this may be sufficient for some patients, if you feel uncertain or uncomfortable with this plan, seeking a second opinion from another healthcare provider is a reasonable course of action. Different doctors may have varying approaches to treatment and management, and it’s essential to feel confident in your care.

In summary, while the lump under your nipple may not pose an immediate threat, ongoing monitoring and communication with your healthcare provider are crucial. If you experience any changes or increased discomfort, do not hesitate to seek further evaluation. Your health and peace of mind are paramount, and it’s always acceptable to pursue additional opinions when it comes to your well-being.

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