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Pilonidal Sinus

About Pilonidal Sinus

A pilonidal sinus is sinus tract which commonly contains hairs. It occurs under the skin between the buttocks (the natal cleft) a short distance above the anus. The sinus track goes in a vertical direction between the buttocks. Rarely, a pilonidal sinus occurs in other sites of the body. This condition used to be called ‘jeep seat’ as it was common in army jeep drivers.

A pilonidal sinus is an infected tract under the skin between the buttocks. Treatment commonly involves an operation. After the operation you should keep the area free of growing hair by regular shaving or other means of hair removal.Ksharasutra therapy is another kind of treatment for pilonidal sinus without surgery with high success rate.

  • Pilonidal means a 'nest of hairs'.
  • A sinus tract is a small abnormal channel (like a narrow tunnel) in the body. The tract may discharge pus from time to time onto the skin.

Symptoms

  • Symptoms vary from a small dimple to a large painful mass
  • One or more Pits are formed in the skin of gluteal fold
  • Pits may be plugged with hair
  • Abscess forms when drainage of pit is blocked.
  • Pain, redness, and swelling of the cyst and area around it
  • There may be a discharge that is clear, cloudy or bloody.
  • Foul-smelling drainage from the cyst
  • Fever

A pilonidal sinus may not cause any symptoms at first. You may not be aware that you have one. Some people notice a painless lump at first in the affected area when washing. However, in most cases symptoms develop at some stage and can be ‘acute’ or ‘chronic’

You may develop some pain which is less intense than the ‘acute’ symptoms. Usually the sinus discharges some pus. This releases the pressure and so the pain tends to ease off and not become severe. However, the infection never clears completely. So, typically the symptoms of pain and discharge can persist long-term, or flare up from time to time, until the sinus is treated.

Diagnosis For Pilonidal Sinus

A Pilonidal cyst can be diagnosed by how it looks and by its location. Your doctor will examine the suspected cyst to confirm a diagnosis. You will be told if any tests are needed.

Causes

  • The cause of these cysts is not clear. They may form when a hair is forced under the skin or when a hair follicle ruptures. Or, a person may be born with the cyst.
  • These cysts are often diagnosed in people between the ages of 16 and 26. But people of any age can have a pilonidal cyst. And they affect both men and women, although more common in persons having excessive hair in the gluteal folds.
  • The exact cause is not clear. There are various theories. For example, one theory is that the problem may develop from a minor congenital or hereditary abnormality in the skin of the natal cleft. This may explain why the condition tends to run in some families. Part of the abnormality in this part of the skin may be that the hairs grow into the skin rather than outwards.
  • Another theory is that you develop skin dimples (skin pits) in the skin between the buttocks. These may develop from damaged hair follicles (the small structures under the skin that make the hairs) due to local pressure or friction. Because of local pressure, growing hair in the natal cleft may get pushed into the skin pits.
  • Whatever the cause, once hair fragments become 'stuck' in the skin they irritate the skin and cause inflammation. Inflamed skin quickly becomes infected and so a recurring or persistent infection tends to develop in the affected area. The infection causes the sinus to develop which often contains broken pieces of hair.

Treatment

Wide excision and healing by secondary intention. This operation involves cutting out the sinus but also cutting out a wide margin of skin which surrounds the sinus. The wound is not stitched but just left to heal by normal healing processes (healing by ‘secondary intention’). So, the wound can take several weeks to heal, and requires regular dressing until it heals.

Excision and closure. This means taking out the section of skin which contains the sinus. This is done by cutting the skin either side of the sinus (to form an ellipse shape around the sinus), taking out the sinus, and stitching together the two sides of the ellipse. However, the risk of a recurrence, or of developing an infection of the wound after the operation, is higher than the above procedure. In some cases where the sinus recurs or is extensive, a plastic surgery technique may be advised to remove the sinus and refashion the nearby skin.

There are variations on the above procedures which may be suggested by the surgeon, depending on your circumstances, the size and extent of the sinus, and whether it is a first or recurrent problem.

A simple treatment mentioned in a surgical text book of Indian system of medicine– SushruthaSamhitha. The disease is called nadeevrana. Treatment is called Ksharasutra chikitsa

A malleable probe to be passed, its tracts to be identified carefully, and then a medicated thread to be inserted to tract. This is to be changed every week. This helps effective curettage and drainage facilitates healing withoutrecurrence.

Frequently Asked Questions

What are the precautions?

  • Avoid constipation.
  • Drink lots of water.
  • Do not consume dry and hard food.
  • Have fibre rich diet. E.g. leafy vegetables, raw vegetables and fruits etc.
  • Consume 8-10 water soaked dry grapes before going to bed.
  • Drink a glass of hot water soon after you wake up in the morning.
  • Do not sit for longer time while passing motion & do not strain.
  • Sit in hot water for 10 mins if suffering from thrombosed haemorrhoids. Consult a surgeon soon.

Rules & Diet ( pathya) in Ano-rectal diseases:-

  • Following pathya during treatment is as important as the treatment.
  • Diet is for curing disease not for the medicine prescribed. One does not require treatment if diet (pathya) is properly followed. Medicines do not act if pathya is not followed properly.

Food which are to be avoided:-

  • Dry and hard items which are difficult for digestion.
  • Consuming food more than the requirement.
  • Excess meat, spice, fried items, chilly.
  • Alcohol & smoking.
  • Improperly cooked vegetables.

Prohibited actions:-

  • Sitting for long duration during passing motions.
  • Straining during passing motion.
  • Forcefully initiating motion.
  • Excess travelling, specially on two wheeler.
  • Sleep in the day time.
  • Sitting for the longer (during) duration in same place.

Recommended diet and rules:-

  • Use churned butter milk.
  • Drinking 1-1.5 lts of lukewarm water every morning.
  • Avoid indigestion & constipation.
  • Use- old rice, wheat, ragi, honey, amla candy, dry grapes, pomegranate, ripe banana, musambi.
  • Consume variety of vegetables after proper boiling.
  • Consumption of fibrous food e.g. carrot, cauliflower, radish, bitter gourd, ladies finger, spinach

Regular mild exercise:-

Yogasana like: –

  • pavana muktasana.
  • Ardhapavana muktasana.
  • Pranayama & etc.

Testimonial

  • Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the Semantics, a large language ocean. A small river named Duden flows by their place and supplies it with the necessary regelialia.

    Mildred Payne
    Allergist
  • Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the Semantics, a large language ocean. A small river named Duden flows by their place and supplies it with the necessary regelialia.

    Mary Jane
    Patient
  • Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the Semantics, a large language ocean. A small river named Duden flows by their place and supplies it with the necessary regelialia.

    Paul Smith
    Patient