Prospective Study in Laser Treatment of Pilonidal Cysts

Inclusion Criteria: * Patients requiring laser surgery for pilonidal sinus, of any type (including recurrence after radical cure or laser treatment) * Patient able to understand the protocol and having given written informed consent to participate in the study, * Patient affiliated to the social security system or entitled to it. Exclusion Criteria: * Patient participating in another interventional clinical research protocol involving a drug or clinical investigation of a medical device * Patient already included in a research study * Patient under guardianship, conservatorship, or deprived of liberty * Patient under an activated future protection mandate * Patient under family authorization * Patient under judicial protection.