“…Most have described synostosis of the navicular with one cuneiform bone [Lusby, 1959;Gregersen, 1977;Miki et al, 1985;Wiles et al, 1988;Sato and Sugiura, 19901. Mesomelic dysplasia, Nievergelt type is the only previously described type which has carpal and tarsal synostoses as consistent findings [Pearlman et al, 1964;Dubois, 1970;Hess et al, 19781. However, the other features appear to be distinctly different from those of our cases.…”