Do Subcutaneous Cysts Recur? Symptoms and Concerns - Dermatology

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Will a subcutaneous cyst recur?


Two years ago, I had a subcutaneous cyst removed at the hospital.
It was actually a very small black dot, and the doctor said that to remove it, they would have to cut it in a crescent shape, which would result in a larger scar.
I was advised to think it over carefully.
I thought it was strange to have this black dot, so I decided to go ahead with the removal (and indeed, it left just a line of a scar).
To be honest, I really regret it!
Recently, I've been experiencing persistent soreness on the left side of my thigh, not at the site of the removal, but rather on the upper and lower sides of it.
The sensation feels like a tight muscle, similar to muscle soreness, even though I haven't exercised.
Additionally, when I occasionally get hives, sometimes the middle of that scar appears to be watery, resembling a blister (I am careful not to let it burst), but it usually resolves on its own within a day or two without any pus or other concerning symptoms.

Is this a sign of recurrence? Is something growing inside? Or could this be related to my tendency to develop hives and tinea versicolor? Should I just ignore it? I would greatly appreciate your response.
Thank you!

chia2, 20~29 year old female. Ask Date: 2007/10/29

Dr. Cai Changlin reply Dermatology


Hello: Regarding your question, it is difficult to understand the current condition of your scar based on your letter.
Surgical scars tend to become less noticeable over time.
There are also medications available to manage urticaria.
I recommend that you visit a nearby dermatologist for an in-person consultation, as they can provide you with a more direct and accurate diagnosis and advice.
Wishing you all the best.

Reply Date: 2007/10/29

More Info


Subcutaneous cysts, commonly known as sebaceous cysts or epidermoid cysts, can indeed recur after surgical removal, although the likelihood of recurrence depends on several factors. Understanding the symptoms and concerns associated with these cysts is essential for managing your health effectively.


Recurrence of Subcutaneous Cysts
When a subcutaneous cyst is surgically removed, the goal is to excise the entire cyst wall to prevent it from reforming. If any part of the cyst wall remains, it can lead to recurrence. Factors that may contribute to the recurrence of cysts include:
1. Incomplete Removal: If the cyst is not completely excised, it can regenerate. This is often the most common reason for recurrence.

2. Underlying Conditions: Certain skin conditions or genetic predispositions can lead to the development of multiple cysts over time.

3. Skin Type and Hygiene: Oily skin or poor hygiene can contribute to the formation of cysts.


Symptoms and Concerns
You mentioned experiencing pain and discomfort in the area surrounding the previous cyst site, as well as the appearance of a fluid-filled bump that resolves on its own. Here are some considerations regarding your symptoms:
1. Pain and Discomfort: The sensation of tightness or muscle pain in the vicinity of the previous cyst could be due to several reasons:
- Scar Tissue: After surgery, scar tissue can form, which may cause discomfort or a pulling sensation.

- Nerve Sensitivity: The surgical procedure may have affected nearby nerves, leading to altered sensations in the area.

- Muscle Strain: Even without exercise, muscle strain or tension can occur due to posture or other activities.

2. Fluid Bump: The appearance of a fluid-filled bump that resolves quickly could indicate a few possibilities:
- Seroma: This is a collection of fluid that can occur after surgery and may resolve on its own.

- Allergic Reaction: If you have a history of urticaria (hives), the bump could be an allergic reaction, especially if it appears during flare-ups.

- Cyst Recurrence: While it’s possible for a cyst to recur, the fact that it resolves quickly and does not produce pus is a positive sign.


Recommendations
Given your symptoms and concerns, here are some recommendations:
1. Monitor Symptoms: Keep an eye on the area for any changes. If the pain persists or worsens, or if new symptoms develop, it would be wise to consult a healthcare professional.

2. Consult a Dermatologist: If you are concerned about the possibility of recurrence or if the symptoms are bothersome, a dermatologist can provide a thorough examination and possibly imaging studies to assess the area.

3. Manage Allergies: If you have a tendency to develop hives, consider discussing this with your doctor. They may recommend antihistamines or other treatments to manage your symptoms.

4. Avoid Irritation: Try to avoid irritating the area, especially if you notice that certain activities or products exacerbate your symptoms.


Conclusion
While subcutaneous cysts can recur, your current symptoms may not necessarily indicate a recurrence. It’s essential to differentiate between normal post-operative sensations, potential allergic reactions, and actual cyst recurrence. Consulting with a healthcare provider will help clarify your situation and provide peace of mind. Remember, maintaining good skin hygiene and monitoring any changes in your skin can help manage and prevent future cysts.

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