Pilonidal Sinus – causes, symtoms…

What is Pilonidal sinus ?

A pilonidal sinus is a tube like random shape structure which contains a tuft of hairs. This cyst / abscess with infected tissues, pus, blood is found under the skin covering the last part of back bone – tail bone between the buttocks. It is also called as “Jeep- Bottom ” because this is very common in Jeep drivers.

Who gets pilonidal sinus?

This condition affects around 26 in 100,000 people each year in UK. But this is more in India. It is rare in children and in people over the age of 40. It is four times more common in men (as they are hairier than women).

Certain factors increase the risk of developing the condition and include:

  • A job involving a lot of sitting (a sedentary occupation)
  • Being overweight (obesity)
  • A previous persistent irritation or injury to the affected area
  • Having a hairy, deep natal cleft
  • A family history of the condition
  • Causes of pilonidal sinus :

    • Lack of cleanliness in sacral region
    • Over sweating
    • Improper sitting style
    • Twisting of hairs below skin causing infection to hair root

    Symptoms of pilonidal cyst :

    • External sinus opening seen at the base of spine between the buttocks
    • Pus discharge
    • History of recurrent abscess at same site
    • Fever

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