Pilonidal Sinus

Pilonidal sinus (pilonidal sinus) is a chronic inflammatory disease of the skin and subcutaneous tissue that occurs with hairs located under the skin. The disease, which can be seen in any area where hair follicles are located, often occurs in the coccyx and is three times more common in men under 40 years of age than in women. General Surgery and Surgical Oncology Specialist Prof.Dr. İlker Sücüllü conveys his views on the “Inverted Hair” disease, which is frequently seen in our society and affects the quality of life of patients negatively.

What causes ingrown hairs?

Although the exact cause of the disease is not known, according to the generally accepted view, the hairs penetrating under the skin first form a cyst, and then the skin perceives these hairs as a foreign body and becomes infected, and the disease emerges.

Sitting for long periods of time, wearing tight-fitting clothes, sedentary lifestyle, excessively hairy body structure, and not paying attention to personal hygiene are the grounds for the appearance of ingrown hairs.

What are the symptoms of the disease?

Hair loss first manifests itself as abscess and discharge. Patients often apply to the physician with complaints such as discharge, bleeding, itching and pain in the coccyx. However, the disease can sometimes manifest itself as an abscess if the cyst becomes infected and does not drain on its own. In this condition, which is also called acute pilonidal abscess, surgical intervention is needed that requires urgent drainage.

In which areas is ingrown hair most common?

Hair loss is most common in the coccyx region. However, this does not mean that it will only be seen in this region. Except for the coccyx;

  • belly area

  • Underarm area

  • facial areas

  • And ingrown hairs can also be seen in the leg areas.


The treatment of ingrown hair is surgery. The questions frequently asked by our patients are “whether there will be pain after the surgery they will undergo and whether there is a need for continuous dressing”. Regardless of the treatment method to be applied in ingrown hair, there is always the possibility of recurrence. In order to minimize the risk of recurrence, the most appropriate surgical intervention method should be determined and applied meticulously, and patients should carefully follow our recommendations in the postoperative period.


Paying attention to personal hygiene is of great importance in terms of preventing the disease or preventing recurrence after treatment. Examples of these measures are cleansing the coccyx from shed hair and dirt without being irritated with natural soaps with olive oil, avoiding activities done by sitting for a long time, losing weight and exercising. In addition, it is of great importance to remove hair from the area with various epilation methods, especially before and after the surgical procedure.

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