Breast Lumps: Symptoms and Concerns for Women - Breast and Thyroid

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Breast lump


I noticed a hard lump in the upper right part of my chest while lying down yesterday, and it hurts a bit when pressed.
My menstrual cycle has also been irregular; my last period was light with a dark color, and I only saw bright red blood when using the restroom.
What could these symptoms indicate?

Amy, 20~29 year old female. Ask Date: 2016/03/16

Dr. Zhou Jiazhen reply Breast and Thyroid


Dear Amy: The relationship with the menstrual cycle is unclear; sometimes it is caused by localized breast tissue, ductal hyperplasia, or fibrocystic changes (which occur during hormonal imbalances).
If there are changes in size, whether increasing or decreasing, these are typically benign variations.
However, it is important to monitor for any persistent changes or continuous enlargement, and in such cases, a consultation with a clinic may be necessary.

Reply Date: 2016/03/16

More Info


Breast lumps can be a source of concern for many women, and it's important to understand the potential causes and symptoms associated with them. Based on your description, you have noticed a hard area in your right breast that is painful when pressed, along with irregular menstrual cycles. Let's break down these symptoms and explore what they might indicate.

Firstly, the presence of a hard lump in the breast can be attributed to several factors. Common benign causes include cysts, fibroadenomas, or even normal breast tissue changes related to hormonal fluctuations. Cysts are fluid-filled sacs that can develop in the breast tissue and may feel firm or tender, especially in relation to your menstrual cycle. Fibroadenomas are solid, non-cancerous tumors that can also feel like lumps and are typically painless. Hormonal changes, particularly those associated with the menstrual cycle, can lead to breast tenderness and lumpiness, which is often referred to as fibrocystic breast changes.

Given that you mentioned your menstrual cycle has been irregular, with lighter flow and darker color, this could be indicative of hormonal imbalances. Hormonal fluctuations can affect breast tissue, leading to tenderness and the formation of lumps. Conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders can also contribute to menstrual irregularities and breast changes.

It's crucial to monitor the characteristics of the lump you discovered. If the lump persists, changes in size, or if you notice any additional symptoms such as discharge from the nipple, significant pain, or changes in the skin over the breast, it is essential to seek medical evaluation. A healthcare provider may recommend imaging studies such as a mammogram or ultrasound to assess the lump further. These tests can help differentiate between benign and potentially malignant conditions.

In your case, since you are experiencing both breast discomfort and menstrual irregularities, it would be advisable to consult with a healthcare professional, preferably a gynecologist or a breast specialist. They can perform a thorough examination, discuss your symptoms in detail, and possibly order tests to rule out any serious conditions.

Additionally, it is important to practice regular breast self-exams to become familiar with the normal texture and feel of your breast tissue. This can help you identify any changes more easily. If you notice any new lumps or changes, don't hesitate to reach out to your healthcare provider.

In conclusion, while breast lumps can often be benign, it is essential to take any new or unusual changes seriously, especially when accompanied by menstrual irregularities. Early evaluation and diagnosis are key to addressing any potential issues effectively. Remember, your health is paramount, and seeking professional advice is always the best course of action when you have concerns about your body.

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