<prompt> The following fractures are known for Non-union except:Fracture of lower half of tibiaFracture of neck of femurFracture of scaphoidSupracondylar fracture of humerus  <response>: D i.e. Supracondylar humerus The distal humeral metaphysis supra condylar area is a well vascularized area with remarkably rapid healing and nonunion of a supracondylar fracture is extremely rareQ. Nonunion is almost never seen without infection open wounds and or extensive soft tissue devascularization. 