Pilonidal Sinus

A pilonidal sinus (PNS) is a small hole or tunnel in the skin that generally develops in cleft of the buttocks where buttocks separate. More than one hole may also develop, and all these holes are often linked by tunnels under the skin.

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Usually, the pilonidal dimple may appear as:

  • A pilonidal abscess– It is a condition in which the hair follicle becomes infected and there is the formation of pus in the fat tissue.
  • A pilonidal cyst– It is a condition in which there is the formation of the cyst if there has been an abscess for a long period of time in that area.
  • It may appear as a small pit or pore in the skin.

What are the common symptoms of Pilonidal sinus?

  • Commonly, you can find a small dimple-like depression on the surface of your skin.
  • This small depression can becomes infected to form a cyst or an abscess.
  • A cyst is is filled with fluid and abscess is an inflamed tissue with pus inside it.

Causes of Pilonidal sinus

The exact cause of PNS disease is not clear but it is believed that an abnormal hair growth is a cause behind it. There are some risk factors also that can increase the chances of pilonidal sinus. The factors include-

  • Sitting for long periods can cause PNS
  • Wearing tight clothes
  • Improper personal hygiene care
  • Obesity can also increase the risk of developing pilonidal sinus
  • Any injury in the cleft of buttocks

Treatment for Pilonidal sinus (PNS)

  • Keep your affected area clean and dry.
  • Showering at the end of the day will help you to remove any stray hairs present at the cleft between buttocks.
  • A pilonidal sinus infection should be treated as early as possible.
  • Treatment can be simply taking antibiotics and a minor operation called incision to drain pus from the abscess.
  • A surgery can be required to remove sinus, if it fails to heal with medicines.