The investigators want to demonstrate that a new organization with telemedicine could rationalize the treatment pathway of patient suffering from rare skin disease. A diagnosis and a personalised treatment pathway could be performed before the consultation in the hospital.

Inclusion Criteria:

• New patients suffering from a rare skin disease whatever pathology or age, which needs a take-over by this centre
• Or patients already take-over by the centre but lost to follow-up for more than one year
• Patients (and/or parents) who give their consents
• Patients (and/or parents) able to fill in questionnaires

Exclusion Criteria:

• Pregnant or breast-feeding women.
• Patients subject to a judicial safeguard order
• Patients who need an emergency take-over
• Patients followed by a doctor who does not have a computerized system or refuse to send data via the secured messaging