- Etiology: congenital
- Imaging:
— Type I: short long bones, short ribs causing small thorax and pulmonary hypoplasia, platyspondyly, flat acetabular roof, long bone bowing with cupped flared metaphyses – “telephone receiver” femora and humeri, no cloverleaf skull
— Type II: cloverleaf skull, straight femora - Clinical: most common lethal short-limb dysplasia, extreme rhizomelic skeletal dysplasia, lethal skeletal dysplasia
Radiology Cases of Thanatophoric Dysplasia
