CHONDRODYSTROPHY 



49 1 



by narrowing of the vertebral canal by the chondrodystrophic process. I 

 refer to the case of Lampe mentioned above. 



Occurrence. Chondrodystrophy does not belong to exceedingly rare 

 affections. According to Katolicky about 70 cases are known in adults. 

 Siegert counts 53 females and 50 male cases. Several cases of familial or 

 hereditary occurrence of chondrodystrophy are found reported in the litera- 

 ture. Porak mentioned a chondrodystrophic female dwarf who was de- 

 livered of a chondrodystrophic child through Cesarean section. Porak also 

 cites a case of Charpentier, a twenty-three-year-old chondrodystrophic 

 female dwarf, whose sister, father and great-grandfather had been chon- 

 drodystrophic dwarfs. Poncet and Leriche observed two chondrodystrophic 



FIG. 90. Chondrodystrophic family (Father Observation LXIV). 







sisters, Decroly saw chondrodystrophy in grandfather, father, and child. 

 Also Eichholtz saw familial occurrence of chondrodystrophy. He saw two 

 chondrodystrophic sisters, of whom one was a childless widow forty-two 

 years old. The other, about forty years old, had an eighteen-year-old 

 chondrodystrophic child. She was delivered through Cesarean section. 

 Also the father of both women seems to have had chondrodystrophy. 

 Siegert mentions that beyond these cases he could find no others of in- 

 heritance of the disease among the more than 100 cases reported in the 

 literature. However, there are later observations. Franchini and Zanasi 

 observed a chondrodystrophic man and wife. The woman became gravid 

 and was delivered through Cesarean section. The child, which indeed 



