·         Metatrophic dysplasia- Narrow thorax, kyphoscoliosis, relatively long trunk ± tail-like appendage over the sacrum.

 

·         Weissenbacher-Zweymuller phenotype syndrome- Micrognathia, rhizomelic type shortening of the limbs, widening of metaphyses, particularly femora and humeri.

 

 

·         Kniest's dysplasia- Kyphoscoliosis, short trunk and broad thorax.

 

·         Fibrochondrogenesis- Autosomal recessive (rare), lethal short limbed dwarfism; under- mineralized skull, soft tissue edema, platyspondyly, broad metaphyses. Associated anomalies: omphalocele, cleft palate, small abnormal shaped ears.

 

 

·         Short –rib polydactyly syndrome type III- Short limbs, narrow thorax, polvdactyly, CVS and genital anomalies, wide metaphyses with marginal spurs.

 

·         Dyssegmental dysplasia-Autosomal recessive, rare; micrognathia, cleft palate, narrow chest, broad metaphyses, short tubular bones, encephalocele. hydrocephalus, ear abnormalities and CHD.