Mediastinal Neuroblastoma and Ganglioneuroma

Chest wall hamartoma in a fetus.

“…Mediastinal neuroblastoma can cause spreading and erosions of the ribs, but this has not been documented in utero. 13 Deformity of fetal ribs has been observed with fractures secondary to osteogenesis imperfecta Type II. 14 This, however, like other osteochondrodystrophies (such as thanatophoric dysplasia and asphyxiating thoracic dystrophy) is associated with generalized skeletal shortening and malfor• mation, and not accompanied by intrathoracic masses.…”