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Dysplasia epiphysialis hemimelica with confirmation by knee arthrography.

Dysplasia epiphysialis hemimelica, also called tarsoepiphyseal aclasis, is a rare bone disorder of the extremities causing epiphyseal overgrowth resembling an osteochondroma. This was first reported by Mouchet and Belot in 1926, but not until 1950 was it first recognized and described as a definite entity by Trevor. Since then, a number of reports (Donaldson et al., 1953; Mosley, 1957; Fulton, 1958; Wheble and Connell, 1958; Rechnagel, 1960; Saxton and Wilkinson, 1964; Rubin, 1964; Ingelrans and Lacheretz, 1953; Caffey, 1967) including excellent reviews by D'Angio, Ritvo and Ulin (1955); Fairbanks (1956) and Keats (1957) have appeared. The present case had a characteristic appearance on air arthrography and is the first to be reported having this procedure in the radiological literature.