AI-translated archive post

Identify the Cause of Armpit Pain

맘스외과성형외과 · *당신을 위한 맘스외과성형외과* · November 22, 2023

Our bodies can hurt at any time for a variety of reasons. In such moments, it is only natural to be quite concerned in many ways, but if it is not so severe that it keeps you from...

AI translation notice

This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: 맘스외과성형외과

Original post date: November 22, 2023

Translated at: April 25, 2026 at 7:34 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Identify the Cause of Armpit Pain image 1

Our bodies can hurt at any time for a variety of reasons. In such moments, it is only natural to be quite concerned in many ways, but if it is not so severe that it keeps you from going about daily life at all, it seems that most people just let it pass to a certain extent.

In the busy, hectic daily life of modern society, taking note of every pain and discomfort that appears in your body and managing it can be extremely difficult. Sometimes, something that seems minor, like armpit pain, can become a very bothersome and difficult situation for the person experiencing it. Because of the nature of the area, if it hurts there, it can be hard to tell what the reason is. There can be several possible causes for the pain, but in the case of armpit pain, suspicion of an accessory breast cannot be ruled out.

Identify the Cause of Armpit Pain image 2

Many people look at a lump of flesh near the lower part of the arm and call it an accessory breast. Because there is a thick layer of tissue there, many people worry that they have gained upper-body fat and think they need to adjust their weight. In cold weather, it can be hidden under clothing, but when the weather gets warm and outfits become lighter, this accessory breast is what makes people feel self-conscious and uncomfortable when wearing short sleeves or other revealing clothes.

Those with this feature often try hard to lose weight in order to get rid of it, but it does not disappear as expected. Because of that, there are quite a few cases in which people consider more active measures such as liposuction or surgical removal. However, when considering such methods, it is first important to understand what an accessory breast is and then find the appropriate method according to its type.

Identify the Cause of Armpit Pain image 3

An accessory breast is actually a second breast formed by mammary tissue that developed during the fetal stage but was supposed to disappear by birth and instead remained and developed as is. It is different from simply having gained fat on the upper body. Normally, as a fetus grows, about 3 to 4 pairs of mammary glands are formed, and the body goes through the process of determining the position that will become the breasts. After that, as growth continues and the location is fixed, only that part remains and the rest disappears.

However, because our bodies can always develop in unexpected ways, exceptional cases can occur. If this tissue simply remained unchanged, it would not actually be that uncomfortable or noticeable, but as can be seen from the fact that the cause of armpit pain may be an accessory breast, it can grow and develop just like a normal breast, becoming noticeably larger and even sagging.

Identify the Cause of Armpit Pain image 4

However, accessory breasts are divided into different types depending on how much mammary tissue remains inside. This is because the amount of mammary tissue left in the body is not always the same. Pain in an accessory breast is similar to the heaviness, discomfort, or pain in the breasts that many people feel when menstruating. In other words, the remaining mammary tissue is also affected by hormones. In fact, when a person with an accessory breast gives birth, there are cases where they suffer more severe engorgement during breastfeeding.

Just as the breasts lose elasticity and sag with age, an accessory breast can also begin to droop and gradually become more saggy as aging progresses. Also, because it is ultimately a part that can be considered a second breast, breast-related diseases can occur in an accessory breast as well, so the possibility of illness can be higher than in ordinary cases. However, it should also be understood that these problems do not necessarily increase in proportion to the amount of mammary tissue. A person with more fatty tissue can still have pain during menstruation, and someone with dense mammary tissue may feel no pain at all. Just as normal breasts differ from person to person.

Identify the Cause of Armpit Pain image 5

And the type of accessory breast that develops is largely a matter of probability. In other words, no one can know whether the accessory breast you are worried about is shaped like dense mammary tissue or a structure with more fleshy tissue. But to remove and improve an accessory breast, it is necessary to understand this structure. That is because the measures needed for a case with abundant fat and a case with densely packed mammary tissue are different.

An accessory breast can be removed through surgical treatment. Depending on whether mammary tissue or fat makes up the larger proportion, one must decide whether liposuction should be performed, whether mammary tissue removal should be prioritized, or whether both methods are needed. That is why the type must be carefully and accurately examined first. If the procedure is not carried out in a way that matches the condition of the accessory breast, you may end up suffering more for nothing, or think it has disappeared only for it to bulge out again, becoming a troublesome and annoying situation.

Identify the Cause of Armpit Pain image 6

If it cannot be confirmed just by looking from the outside, if touching it with your hands is not accurate, and if armpit pain alone does not tell you whether there is more mammary tissue or more fat, how can we judge it? Simply put, if you undergo the X-ray examination that everyone is familiar with, you can know for sure. That is because X-ray imaging allows us to examine the structures inside the body.

The mammary tissue that makes up an accessory breast appears clearly on X-rays, and its shape and size can be checked. By carefully determining the thickness and density of the tissue that makes up the accessory breast, as well as the degree of skin stretching, you can then consider what method should be used to remove it in the most appropriate way. For those who have been very irritated and inconvenienced by armpit pain, this may be where they start to feel genuinely hopeful.

Identify the Cause of Armpit Pain image 7

Then how does the solution process change depending on the type of accessory breast? We have talked at length, but there are quite a few people whose mammary tissue has largely atrophied and whose bodies are mostly made up of fat.

In such cases, since the mammary tissue is not a major issue, improvement can be achieved by performing liposuction. On the other hand, there are cases where there is not much fat, so it does not stand out much from the outside, but the inside is densely developed with mammary tissue. An X-ray can reveal this. In such cases, the mammary tissue removal method is chosen. If a small opening of about 1.5 cm is made and the mammary tissue is removed in one piece, improvement can be achieved. There are also cases in which both mammary tissue and fat are present. When mammary tissue is developed and fat is also accumulated, the skin gradually becomes more stretched.

Of course, because both are problematic, the mammary tissue must be removed and liposuction must also be performed. Through liposuction, the sagging skin can be smoothed out and lifted back into place. If more time passes in the case just mentioned, the skin may lose elasticity and sag severely. In that case, the skin must also be excised along with the mammary tissue.

Identify the Cause of Armpit Pain image 8

An accessory breast is something that can be bothersome even just by looking at it, and persistent armpit pain can make it feel even more uncomfortable. That is why it is important to clearly recognize and analyze the different types for each person and carry out an accurate solution. For this purpose, in addition to X-rays, ultrasound can be used to find the exact location more accurately, and work can be done first to separate it from other body structures such as muscles, nerves, and lymph nodes in order to protect them. Since there is no single correct answer, but rather the answer that is right for you, it is best to receive a thorough consultation.

Identify the Cause of Armpit Pain image 9

Identify the Cause of Armpit Pain image 10

Identify the Cause of Armpit Pain image 11

Identify the Cause of Armpit Pain image 12

Identify the Cause of Armpit Pain image 13

Identify the Cause of Armpit Pain image 14

Identify the Cause of Armpit Pain image 15 Identify the Cause of Armpit Pain image 16 Identify the Cause of Armpit Pain image 17 Identify the Cause of Armpit Pain image 18 Identify the Cause of Armpit Pain image 19 Identify the Cause of Armpit Pain image 20 Identify the Cause of Armpit Pain image 21 Identify the Cause of Armpit Pain image 22 Identify the Cause of Armpit Pain image 23 Identify the Cause of Armpit Pain image 24

Continue browsing

Keep exploring this clinic's public source trail

Return to the source archive for more translated posts, or open the Korean clinic profile to compare other public channels.