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What’s the deal with LASER surgery for pilonidal sinus (SiLaC)?

It sounds so simple!

Lasers are used for many things in the medical profession, and especially in surgery. Lasers are currently being used to eradicate pilonidal sinuses, and a beam of light sounds like such a simple and pain free solution to a difficult problem. I think when patients envision a laser being used for surgery, they think of a beam of light shining on the tissues and magically curing problems!

In some situations that is exactly what happens, but in others, the laser is used very differently. In the case of eradicating a pilonidal sinus, the laser is attached to a fiber-optic conduit, which brings the light energy to a specialized tip, that turns the light into heat. So, no part of a light beam is in contact with the tissues, but a red-hot fiber-optic tip is used to burn tissues.

There is a category of “minimally invasive” treatments for pilonidal disease that remove the pits and sinus tracts, but do not address the shape or depth of the gluteal cleft. These rely on some method to remove the sinus “tunnel” and hope it will heal. The tunnel can be eradicated with chemicals, surgery, or heat. In the case of laser surgery, heat is used to burn the tissues in hopes that they will subsequently heal and that the sinus will not recur.

So, this is a destructive process, involves burning tissue, may not be pain free, and may or may not be a permanent solution to a patient’s pilonidal disease. In general, it is no more effective than Epsit, pit picking or Gips procedures, which accomplish the same thing without the expensive laser equipment.

Also, it should be noted that this is very different from using a laser to permanently destroy hair follicles, in order to prevent hair regrowth. In that case, a light beam is indeed used. But, it is not a treatment modality that we feel is necessary in taking care of pilonidal disease.

So, although this sounds very “space age” and pain free, it is just a variation of already described procedures to treat pilonidal disease. In our clinic, we do not perform the “minimally invasive” procedures, but rather prefer the cleft-lift because of its superior success rate.

Addendum: There has been a discussion of this on Reddit, and this link will take you to one patient’s experience with laser surgery. This poster’s experience may, or may not, be typical, but it is one possible outcome: Link