Avulsion of flexor digitorum profundus secondary to enchondroma of the distal phalanx. Case report and literature review

Arthozoul, M.; Brún, Caroline De; Laffosse, Jean-Michel; Martinel, Vincent; Grolleau, J.-L.; André, A.

doi:10.1016/j.main.2015.03.004

Cited by 6 publications

(5 citation statements)

References 17 publications

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“…6 Based on literature, the fingers on the ulnar side are affected most often because they are exposed to trauma. 7 In the case of large enchondroma of the distal phalanx, reconstruction with cancellous bone could be required. Arthozoul et al 7 reviewed literature of FDP avulsion due to pathological fractures in distal phalanx enchondroma; of the nine patients reported, only three had normal range of motion (ROM) in the DIP joint.…”

Section: Discussionmentioning

confidence: 99%

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Pathological mallet finger due to distal phalanx enchondroma: a case report

Afshar

Tabrizi

Taleb

et al. 2022

Current Orthopaedic Practice

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Section: Discussionmentioning

confidence: 99%

“…The pullout suture approach for FDP tendon repair successfully restored the distal phalanx functional ability 6. Based on literature, the fingers on the ulnar side are affected most often because they are exposed to trauma 7. In the case of large enchondroma of the distal phalanx, reconstruction with cancellous bone could be required.…”

Section: Discussionmentioning

confidence: 99%

Pathological mallet finger due to distal phalanx enchondroma: a case report

Afshar

Tabrizi

Taleb

et al. 2022

Current Orthopaedic Practice

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“…In past reports, flexor tendon avulsion fractures through enchondromas of a distal phalanx were reported. 4 The FDP tendon could pull the distal phalanx, and the thin and fragile cortical bone of the distal phalanx could be avulsed by this FDP traction. In this case, there was concern that in the temporarily fixed DIP joint, the FDP tendon could easily avulse the thin volar cortical surface of the distal phalanx.…”

Section: Discussionmentioning

confidence: 99%

“…3 As a characteristic presentation of a pathologic fracture through an enchondroma of the distal phalanx, some cases of flexor digitorum profundus (FDP) tendon avulsion fractures have been reported in detail. 4 Lu et al reported a retrospective case series analysis of 34 cases of enchondroma originating from a distal phalanx, including 4 cases of mallet finger deformity. 5 However, this report lacked details of the treatment course and the functional outcomes of these patients.…”

Section: Introductionmentioning

confidence: 99%

Mallet Finger Fracture through Enchondroma of the Distal Phalanx

Wakasugi

Suzuki

Shirasaka

2020

Journal of Hand and Microsurgery

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A 46-year-old man injured his ring finger and developed a mallet deformity. Radiographs showed a mallet finger fracture through an osteolytic lesion of the distal phalanx. Magnetic resonance imaging showed low intensity on T1-weighted imaging and high intensity on T2-weighted imaging, which suggested the clinical diagnosis of enchondroma. The bone tumor was excised, and osteosynthesis was performed using Ishiguro's extension block pinning, and a flexion block pin was added to prevent flexor tendon avulsion fracture through the enchondroma, followed by an autologous iliac cancellous bone graft. One year after surgery, the patient had no pain or extension lag of the affected ring finger, and his quickDASH score was 0 points. Radiographs showed no recurrence and minimal arthritic change of the distal interphalangeal joint. One-stage treatment of a mallet finger fracture through an enchondroma using Ishiguro's method was effective.

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“…dead space is induced after tumor curettage, subsequent bone reconstruction is required with bone grafting to achieve stable fixation. 3 Possible complications are residual pain, infection, joint stiffening, joint arthritis, flexor tenofibrosis, and rerupture.…”

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confidence: 99%

Pathological Avulsion Fracture of the Flexor Digitorum Profundus after Enchondroma—Case Report

2016

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A 48-year-old woman experienced acute spontaneous loss of active flexion of the distal interphalangeal joint of the fifth finger. Radiographic assessment showed a proximal migrated avulsion fracture of volar cortex of the distal phalanx and extensive bone loss. Magnetic resonance imaging suggested an enchondroma: a T1-hypointense and T2-hyperintense well-defined osteolytic lesion in the distal phalanx (►Fig. 1).The patient underwent exploration. The flexor digitorum profundus (FDP) was still fixed on the volar cortical insertion fragment, which was retracted up to the distal boundary of the A4 pulley, type 3 according to the classification of Leddy and Packer.1 Extensive weakening with dorsal cortical undisplaced fracture of the remaining distal phalanx was also seen. Typical whitish, flaky tissue was curettaged, confirmed as an enchondroma after pathological examination. Autogenous cancellous bone was taken out of the distal radius and packed in the defect to reinforce the phalanx. The avulsion fragment was reduced and fixed with a transosseus pullout suture over the nail, which was removed after 6 weeks (►Fig. 2). Three months after surgery, successful bony union and normal articular congruity were obtained. Patient was able to restart all activities with full range of motion and absence of pain (►Fig. 3).It is uncommon that an avulsion of the FDP and an enchondroma situated in a phalanx occur together.2 Favorable outcome can be achieved by simultaneous treatment of the enchondroma and the reinsertion of the FDP avulsion. If

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Avulsion of flexor digitorum profundus secondary to enchondroma of the distal phalanx. Case report and literature review

Cited by 6 publications

References 17 publications

Pathological mallet finger due to distal phalanx enchondroma: a case report

Pathological mallet finger due to distal phalanx enchondroma: a case report

Mallet Finger Fracture through Enchondroma of the Distal Phalanx

Pathological Avulsion Fracture of the Flexor Digitorum Profundus after Enchondroma—Case Report

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