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Journal of the Korean Society for Surgery of the Hand 1999;4(2):179-185.
Published online January 1, 1999.
Traumatic avulsion of the FDP in fingers
Seung Koo Rhee,Hyung Min Kim,Suk Whan Song,Yang Kook Chung,Min Seok Choi
외상성 심층 수지 굴건의 견열성 파열
Avulsion injuries of the tendon of flexor digitorum profundus are uncommon and usually occur as a sport injury. In many instances, they could be diagnosed too late, resulting in bad prognosis. Since 1985, we had treated six patients of this injury, occurred most commonly in ring finger and diagnosed 16 days after the trauma in average. In cases of no bony avulsion, MRI studies were performed to confirm the diagnosis and the location of the retracted tendon stump. In all cases avulsed tendon ends were reattached to the base of distal phalangeal bones with pull-out wire technique, and permit the early active finger motion from 2 weeks after the repair. On last follow-up examination, the range of motion of distal interphalangeal joints were from 35 to 65 degrees with moderate degrees of flexion contractures, which might be due to the contracted flexor tendons associated with delayed diagnosis. The prognosis for these patients depends on the early diagnosis, the type of avulsion, age and the early mobilization of fingers after the surgery.

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