An 8-year review of upper limb congenital differences at a teaching hospital in Jordan: A retrospective study.

Objectives: To review the types of upper limb congenital differences in patients seen in a tertiary hospital in Jordan and to evaluate the effectiveness of the Oberg-Manske-Tonkin (OMT) system.

Methods: The medical charts and the X-rays of 222 patients with upper limb congenital differences were reviewed. All these cases were categorized using the OMT classification system.