Subcutaneous Cysts on the Head: When to Seek Removal - Surgery

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When it comes to subcutaneous cysts on the head, it’s important to understand the nature of these growths and when medical intervention might be necessary. Based on your description, it sounds like you have a sebaceous cyst, which is a common type of cyst that forms when a hair follicle becomes clogged with oil and dead skin cells. These cysts are typically benign, meaning they are not cancerous, and they often do not cause any pain or discomfort, which aligns with your experience of it being "soft" and "not painful."
Sebaceous cysts can vary in size and may remain stable for years, as you mentioned with your cyst being around 1 cm for a long time before growing to 1.5 to 2 cm. While many people choose to leave these cysts alone, there are certain circumstances where removal may be warranted:
1. Size Increase: If a cyst grows significantly, it may be a sign of a more serious issue, and it’s worth having it evaluated by a healthcare professional. Although many cysts are harmless, a sudden increase in size could warrant further investigation.

2. Pain or Discomfort: If the cyst becomes painful, tender, or inflamed, it may be infected or causing pressure on surrounding tissues. In such cases, removal is often recommended.

3. Cosmetic Concerns: If the cyst is located in a visible area and is causing you distress due to its appearance, you might consider having it removed for cosmetic reasons.

4. Recurrent Infections: If the cyst becomes infected multiple times, it may need to be surgically removed to prevent future infections.

5. Diagnostic Uncertainty: If there is any uncertainty about the nature of the cyst, especially if it changes in appearance or characteristics, a healthcare provider may recommend a biopsy or removal to rule out other conditions.

In terms of the type of cyst you might have, sebaceous cysts are the most common, but there are other types, such as epidermoid cysts, which can also feel soft and may be similar in appearance. A healthcare professional can help differentiate between these types through a physical examination and, if necessary, imaging studies.

Regarding the need for removal, it is generally not necessary to remove a cyst if it is asymptomatic and stable. However, if you are concerned about the growth, it is advisable to consult with a dermatologist or a healthcare provider who specializes in skin conditions. They can assess the cyst and discuss the potential benefits and risks of removal, as well as the procedure itself, which is typically straightforward and performed under local anesthesia.

In summary, while your cyst may not require immediate action, monitoring its size and any changes in symptoms is essential. If you notice any significant changes or have concerns about its appearance or discomfort, seeking medical advice is the best course of action. Regular check-ups can help ensure that any potential issues are addressed promptly, keeping your health and peace of mind intact.