Health Blog

Pilonidal Sinus Excision / Perianal Sinus Excision

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Pilonidal sinus (small hole in the skin at the top of the buttock at the cleft) excision surgery may be open-wound or close-wound. In the former, the surgeon cuts out the sinus and removes some surrounding skin, leaving the wound to heal naturally. In the latter, the surgeon removes the sinus and cuts out an oval-shaped flap of skin on its either sides and stitches them together. It is performed under general anesthesia and requires hospital stay (the patient usually leaves the same day).