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Pilonidal sinus surgery

A pilonidal sinus is a small hole or tunnel, almost always between the buttock cheeks, caused by ingrowing hairs

About pilonidal sinus surgery

A pilonidal sinus is an inflamed sinus tract or channel that commonly contains hair follicles. It occurs under the skin between the buttocks, a short distance above the anus. Germs can build up among the hairs within the sinuses causing swelling, discharge and infection.

Need to know

  • What happens icon plus

    Your consultant will usually perform surgery by excising the abnormal skin with the sinus. It is undertaken using general anaesthetic, meaning you will be asleep for the duration of the procedure. The resulting hole can be left open and packed with a dressing, closed with just a suture (a row of stitches holding together the edges of the incision), or with a ‘flap’ of nearby tissue.
  • How to prepare icon plus

    Your consultant will let you know how best to prepare for your procedure.
  • Afterwards icon plus

    You will need to take pain relief as prescribed by your consultant, especially prior to dressing changes. Your wound may be left open and packed with a dressing known as Aquacel or Kaltostat each day. If your wound has had a primary closure (been stitched up during surgery), you will be advised of this and when the sutures will need removing.
Consultant with patient

Our consultants

From complex surgery to straightforward procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.

Our facilities

From complex surgery to straightforward procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.

  • facility-pgh-hero-579x579

    The Princess Grace Hospital

    42-52 Nottingham Place

    London W1U 5NY

    Appointments 020 3131 7216
    Enquiries 020 3130 6833

  • London Bridge Hospital Facility

    London Bridge Hospital

    27 Tooley Street

    London

    SE1 2PR

    Appointments and Enquiries 020 7234 2009
    Imaging Appointments 020 7234 2773
    Switchboard 020 7407 3100

Request an appointment

We're happy to help you make an appointment with one of our experienced consultants.

This content is intended for general information only and does not replace the need for personal advice from a qualified health professional.
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