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Multiple Osteochondromas - Foot and Ankle

Summary

Large or multiple lesions in the distal leg result in differential longitudinal growth of the tibia and fibula leading to valgus deformity of the ankle.

Patients with osteochondromatosis present in early adulthood.
A valgus overload of the ankle.
Severe ankle deformity will not remodel, and supramalleolar osteotomy may be required to correct symptomatic valgus.
Complete Information on this Tumor
Introduction and Definition: 

Large or multiple lesions in the distal leg result in differential longitudinal growth of the tibia and fibula leading to valgus deformity of the ankle.

Incidence and Demographics: 
Patients with osteochondromatosis present in early adulthood.
Symptoms and Presentation: 

A valgus overload of the ankle.

Treatment Options for this Tumor: 
Severe ankle deformity will not remodel, and supramalleolar osteotomy may be required to correct symptomatic valgus.
Outcomes of Treatment and Prognosis: 
The valgus deformity will remodel if these lesions are removed early.