Painless Shoulder Lumps: Causes and Concerns - Surgery

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Shoulder lump?


I apologize for the inquiry, doctor: I have a small hard lump on my shoulder that does not hurt when pressed.
It feels smooth to the touch, and I am unsure when it appeared.
I have noticed it for some time now.
What could this condition be?

Xiao Yu, 20~29 year old female. Ask Date: 2016/03/03

Dr. Xu Kaixi reply Surgery


A smooth, painless small lump on the shoulder is most likely a lipoma or a sebaceous cyst.
It is advisable to visit a surgical outpatient clinic for examination and treatment.

Reply Date: 2016/03/03

More Info


When it comes to painless lumps on the shoulder, there are several potential causes, and understanding these can help alleviate your concerns. The fact that the lump is painless, smooth, and has been present for some time is a positive sign, as many serious conditions are often associated with pain or rapid changes in size or texture.

One common cause of painless lumps in the shoulder area is a lipoma. Lipomas are benign tumors made up of fatty tissue. They are typically soft, movable, and painless, and they can occur anywhere on the body, including the shoulders. Lipomas are generally harmless and do not require treatment unless they become bothersome or for cosmetic reasons.

Another possibility is a cyst, such as an epidermoid cyst or a sebaceous cyst. These cysts can form when skin cells multiply rapidly or when a hair follicle becomes blocked. Like lipomas, cysts are usually painless and can be smooth to the touch. They may fluctuate in size but are generally not a cause for concern unless they become infected or inflamed.

Additionally, a fibroma, which is a benign tumor made of fibrous or connective tissue, could also present as a painless lump. These are also generally harmless and may not require treatment unless they cause discomfort or cosmetic concerns.

In some cases, a painless lump could be a swollen lymph node, particularly if there is an underlying infection or inflammation in the area. However, swollen lymph nodes are usually tender and may be accompanied by other symptoms, such as fever or malaise.

While the characteristics of the lump you described are reassuring, it is essential to monitor it for any changes in size, shape, or texture. If the lump begins to cause discomfort, changes in appearance, or if you develop other symptoms, it would be wise to consult a healthcare professional for further evaluation.

In terms of diagnosis, a healthcare provider may perform a physical examination and may recommend imaging studies, such as an ultrasound or MRI, to assess the lump further. In some cases, a biopsy may be necessary to determine the exact nature of the lump, especially if there is any uncertainty about its characteristics.

In conclusion, while painless lumps on the shoulder are often benign, it is always best to err on the side of caution. If you have any concerns or if the lump changes in any way, seeking medical advice is the best course of action. Regular check-ups and being aware of your body can help ensure that any potential issues are addressed promptly.

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