In complete digital ring avulsions, amputation is usually carried out when replantation of the avulsed tissue is not an option or has failed. The purpose of this study was to report our experience in treating Urbaniak Class III degloved fingers using an ultra-thinned pedicled groin flap. Sixteen patients from ages 11 to 26 years were included. In all cases, the flexor digitorum superficialis tendon, extensor apparatus and proximal interphalangeal joint were intact. Rehabilitation included immediate active mobilization, with flap division at day 21. At a mean follow-up of 15 months, all patients but one were satisfied with the appearance. Two had mild subjective cold intolerance. No flap failure was recorded. The mean total active motion was 183° and the mean QuickDASH score was 8.8/100. Patients recovered S1 sensibility according to the Mackinnon and Dellon classification. The ultra-thinned groin flap has proved to be a reliable technique for non-replantable ring avulsions. Level of evidence: IV
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