[Dysplasia epiphysialis hemimelica (author's transl)]

The first report of dysplasia epiphysialis hemimelica in the spanish literature is presented. The case has peculiar clinical features as the early presentation (two months) and to involve lower and upper extremities. On X-ray examination exostosis and calcium deposits were shown on the most affected epiphysis. Microscopically an osteochondroma, anomalous vascular channels, non hitherto described, were detected, as well as multivacuolated cells into them although ultrastructural and histochemical studies were carried on the precise nature of these cells could not be established. The possible pathogenetic significance of these findings is discussed.