A pilonidal sinus (PNS) is a small hole or tunnel in the skin. It contains fluid or pus, causing the formation of a cyst or abscess. It occurs iat the cleavage of the buttocks. A pilonidal cyst usually contains hair, dirt, and debris. Which cause severe pain and sometimes become infected. If it becomes infected, it may discharge pus and blood and have a foul odour.
 
The main reason for occurring pilonidal sinus is believed to be a combination of changing hormones (because it occurs after puberty), hair growth, and friction from clothes or from spending a long time sitting.
 

Treatment:

If a patient does not have any symptoms then he/she will normally be advised to clear the affected area of hairs (by shaving, etc) and to keep the area clean with good personal hygiene.
If a patient has an acute symptoms or infection of the Pilonidal sinus (PNS) than he/she will be advised by some antibiotics or painkillers such as paracetamol or ibuprofen to get relieve the pain.In case of an emergency operation or surgery, a patient will go through the procedure of incises in which ball of pus surrounded by infected skin (abscess) will be drained. If a patient has chronic symptoms than the only option for a cure is operation.
 

Lancing

This procedure ease symptoms from an abscess, or a collection of pus inside the sinus. Before this procedure, our doctor will give you a local anaesthetic. They will then use a scalpel to open the abscess. 
the doctor will pack the wound with a sterile dressing and allow it to heal from the inside out. The wound usually heals within four weeks, and many people don’t require any further treatment.
 

Phenol injection

For this type of treatment, your doctor will first give you a local anaesthetic. They will then inject phenol, a chemical compound used as an antiseptic, into the cyst. This procedure may need to be repeated several times. Eventually, this treatment will cause the lesion to harden and close.
 
This treatment has a very high recurrence rate. Therefore, it’s uncommon in the United States. Doctors turn to surgery as the treatment of choice in some cases.
 
First, a doctor will give the patient a local anaesthetic in this treatment.Then he/she will inject phenol, a chemical compound used as an antiseptic, into the abscess. This procedure may need to be repeated several times. Eventually, this treatment will cause the abrasion to harden and close.
 
If patient facing a problem of a recurring pilonidal sinus or if he/she have more than one sinus tract than our doctor will recommend a surgical procedure.
 
In this procedure, the patient will first be given a local anaesthetic. Then, our highly qualified surgeon will open the contusion and remove all of the pus and detritus. Once the process is done, the surgeon will stitch the wounds closed.After the surgery, the patient will be suggested by our doctor how to change the dressings and to shave the area to prevent hair from growing into the wound.