Will Scalp Cyst Surgery Affect Hair Growth?

Scalp sebaceous cyst surgery

Hello, doctor.
I recently developed a sebaceous cyst on the top of my head, but since it's located there, I have a lot of hair.
I would like to ask if undergoing excision surgery would damage the hair follicles and result in hair not growing back in that area.
I'm concerned that the surgery might affect hair growth.
Thank you.

Xiao E, 20~29 year old female. Ask Date: 2024/04/14

Dr. Wu Yuxin reply Dermatology

In principle, there will be a surgical scar, which means that hair will not grow on that scar.

Reply Date: 2024/04/14

More Info

When considering scalp cyst surgery, particularly in areas with dense hair, it's natural to be concerned about the potential impact on hair growth. Scalp cysts, often referred to as epidermoid cysts, are benign growths that can occur on the scalp and may require surgical removal if they become bothersome or infected.
The primary concern regarding hair growth post-surgery revolves around the surgical technique and the healing process. Generally, during the excision of a cyst, a small incision is made in the skin to remove the cyst and its contents. This procedure typically leaves a scar, which is an important factor to consider. The scar tissue that forms after healing may not have hair follicles, meaning that hair will not grow in that specific area. However, this does not necessarily mean that the surrounding hair follicles will be affected.

In most cases, if the cyst is removed carefully and the surrounding tissue is preserved, the hair follicles in the vicinity of the incision should remain intact and functional. This means that hair can continue to grow normally around the surgical site. However, if the cyst is large or if there is significant inflammation or infection, there is a risk that the hair follicles could be damaged during the procedure.
Another important aspect to consider is the healing process. After surgery, it is common for hair in the area to shed temporarily, especially if there was any trauma or inflammation involved. This shedding is usually a part of the hair growth cycle and does not necessarily indicate permanent damage to the hair follicles. The hair follicles may enter a resting phase (telogen phase) due to the stress of surgery, but they often resume normal growth once healing is complete.

In summary, while scalp cyst surgery can leave a scar where hair will not grow, the surrounding hair follicles are typically not affected if the surgery is performed properly. It is crucial to follow post-operative care instructions to minimize the risk of complications that could affect hair growth. If you have concerns about the procedure or its potential effects on your hair, discussing them with your surgeon or a dermatologist can provide personalized insights and reassurance.

In conclusion, while there is a possibility of hair growth being affected in the immediate surgical area due to scarring, the overall impact on hair growth in the surrounding areas is usually minimal, provided that the procedure is executed with care and the healing process is managed appropriately. If you notice any unusual changes in hair growth after the surgery, it is advisable to consult with a healthcare professional for further evaluation.

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