[Thanatophoric Dwarfism (author's transl)]

Four cases of thanatophoric dwarfism which appeared between 1974 and 1977 are described. Thanatophoric dwarfism was firstly described in 1967. In the mean-time there are reports about 44 cases. The frequency of thanatophoric dwarfism is considered to be 1 to 6393 newborns. There is no clear evidence about the occurrence of thanatophoric dwarfism, chromosone patterns have been always normal. This type of dwarfism is differentiated from other similar syndromes.