<prompt> Non-union is a complication of which of the following ?Scaphoid fractureColles fractureInter-trochanteric fracture of hipSupracondylor fracture of the humerus  <response>: Sites of non union : Femur neck fracture Scaphoid fracture Tibia fracture Lateral condyle humerus fracture Fracture lower 3rd ulna Radiological features of nonunion of scaphoid: Rounding of fracture surfaces Fractures become sharply defined Cystic changes occur in one or both fragments Ref: Maheshwari and Mhaskar 9th ed pg 116. 