Do Subcutaneous Cysts Grow Larger If Not Removed?

Subcutaneous cyst

If a subcutaneous cyst is not excised, will it continue to grow larger?

Gǎnxiè huídá, 20~29 year old female. Ask Date: 2005/11/15

Dr. Li Guoding reply Surgery

Dear Dr.
Li Guo-Ding of the Surgical Department at Tainan Hospital, Ministry of Health and Welfare:
The progression of a subcutaneous cyst depends on its pathological tissue type, which determines whether it will continue to grow if not excised.
Wishing you good health and all the best from Tainan Hospital!

Reply Date: 2005/11/15

More Info

Subcutaneous cysts, commonly known as sebaceous cysts or epidermoid cysts, can indeed grow larger over time if they are not removed. These cysts are typically filled with keratin, a protein found in skin cells, and can vary in size from a few millimeters to several centimeters in diameter. The growth of these cysts can be influenced by several factors, including the body's natural healing processes, inflammation, and the cyst's contents.

When a cyst forms, it is essentially a closed sac that can fill with fluid, pus, or other materials. If left untreated, the cyst may continue to accumulate these materials, leading to an increase in size. In some cases, cysts can become inflamed or infected, which may also contribute to their growth. An infected cyst may present with redness, warmth, and tenderness, and it may even rupture, leading to the release of its contents.

While many subcutaneous cysts are benign and do not pose significant health risks, their growth can lead to discomfort, pain, or cosmetic concerns. In some instances, larger cysts may press against surrounding tissues, causing discomfort or affecting mobility, depending on their location. For example, a cyst located near a joint may restrict movement, while one on the face may cause cosmetic concerns.

If a cyst is small and asymptomatic, many healthcare providers may recommend a watchful waiting approach, monitoring the cyst for any changes. However, if the cyst becomes painful, infected, or bothersome, surgical removal is often recommended. The procedure to remove a cyst is typically straightforward and can often be done on an outpatient basis. During the procedure, the healthcare provider will make an incision, remove the cyst and its contents, and then close the incision with stitches.

It is important to note that while surgical removal can effectively eliminate the cyst, there is a possibility of recurrence. This is particularly true if the cyst wall is not completely removed during the procedure. Therefore, it is crucial to have the cyst evaluated by a healthcare professional to determine the best course of action based on its size, location, and any associated symptoms.

In summary, subcutaneous cysts can grow larger if not removed, and while they are generally benign, they can lead to discomfort or cosmetic concerns. If you have a cyst that is growing or causing issues, it is advisable to consult with a healthcare provider for an evaluation and potential treatment options. Regular monitoring and timely intervention can help manage any complications associated with these cysts.

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