Evaluation of the Impact of Pilonidal Cyst Recurrence on Quality of Life in Patients Previously Treated With Conventional Surgery or Laser Therapy

Inclusion Criteria:

• Patient aged 14 or over

• Patient has been informed of the objectives and conditions of the study and has notobjected to the collection of his/her data.

• If the patient is under 18 years of age, both parents or the holder(s) of parentalauthority have been informed of their child's participation in the study and do notoppose it

• Presenting a recurrence of pilonidal sinus after a first complete treatment byradical surgery or laser

Recurrence is defined by :

• The presence of persistent troublesome symptoms more than 6 months after surgery:suppuration, iterative scar disunion, absence of healing despite care deemed optimalby the expert, recurrence of abscesses

• The presence of a characteristic MRI image, if this examination has been carriedout: subcutaneous collection, in hyper T2.

Exclusion Criteria:

• Symptoms less than 6 months old

• First operation limited to simple abscess flattening

• Atypical symptoms, without radiological confirmation of recurrence: isolated pain,induration without inflammatory phenomena

• History of more than one elective surgery for pilonidal sinus

• Pilonidal sinus associated with a posteriorly developed anal fistula

• Persistence of a skin orifice, with no hair in it, without any symptoms

• Patient under court protection, guardianship or curatorship

• Mental deficiency or any other reason that may hinder comprehension of theinformation and non-opposition note0