[A case of bilateral congenital aplasia of the femur].

The authors describe a rare case of bilateral congenital aplasia of the femur, seen by them at a Center for Motor Rehabilitation of the "La Nostra Famiglia" organization. They offer a complete clinical and roentgenographic documentation of the case, which was compounded by the presence of other congenital malformations.

[Ledderhose's disease].

The authors review the cases of Ledderhose's disease come to their observation at the "Gaetano Pini" Orthopedic Clinic of Milan. They explain that this condition, formerly regarded as extremely rare, can no longer be considered such in the light of modern observations. After giving a brief discussion of clinical and anatomopathological features, they state that the condition is essentially benign and often associated with Dupuytren's disease.