vascularized bone graft

Nonunion

Scaphoid Non union xrayScaphoid Nonunion Xray 2

 

NHx

 

Convincing association with development of osteoarthritis

- arthritic changes beginning at radial styloid

- progress to scaphocapitate & capitolunate 

 

Congenital pseudoarthrosis of the tibia

Definition

 

Anterolateral bowing

 

True bone dysplasia

- hamartomatous area in the tibia

- non union or potential non union through pathological fracture in this region

 

The defect in the bone is filled with mature, fibrous connective tissue

- not really a pseudoarthrosis

- by definition, a pseudarthrosis has a cleft lined by fibrocartilage containing fluid and bounded by a capsule