Incisural Ankle Fracture
synonyms:
Incisural Fx ICD-9
Incisural Fx Etiology / Epidemiology / Natural History
- A form of transitional ankle fracture related to the asymmetric pattern of distal tibial physeal closure.
- Thought to be caused by external rotation forces.
Incisural Fx Anatomy
- Fragment is avulsed by the intraosseous ligament.
Incisural Fx Clinical Evaluation
- Pain and deformity in the ankle, degree dependent on fracture severity.
- Evaluate skin integrity, swelling, and neurovascular status of the leg/foot.
Incisural Fx Xray / Diagnositc Tests
- A/P, lateral and mortise views of the ankle. Appears like a Tillaux fracture on A/P and mortise views.
- CT demonstrates that fracture line does not extend through the anterior cortex.
- MRI generally not indicated although can provide information on ligamentous and physeal injury. (Lohman M, Skeletal Tadiol 2001;30:504).
Incisural Fx Classification / Treatment
Incisural Fx Associated Injuries / Differential Diagnosis
Incisural Fx Complications
- Delayed union, nonunion
- Malunion
- Growth arrest
- Arthritis
- Osteonecrosis of the distal tibial epiphysis
- Compartment syndrome
Incisural Fx Follow-up Care
Incisural Fx Review References
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