Correction of ankle valgus deformity secondary to multiple hereditary osteochondral exostoses with Ilizarov

The following case report highlights basic aspects of Multiple Hereditary O steochondral Exostoses (MHOCE) and discusses the successful treatment of an adult with ankle pain secondary to growth arrest and foreshortening of the fibula, Two salient features include the age of the patient at presentatio n and the success of the procedure. Symptomatic valgus deformities of the a nkle secondary to MHOCE are normally corrected during adolescence, prior to physeal closure. Reducing the ankle mortise by distally displacing the fib ula and correcting rotational and angular ankle deformities with llizarov e xternal fixation improved this patient's ankle function and relieved his pa in.