A patient on colles cast present after two weeks with the inability to extend his thumb, the most likely reason is:
Ans: A (Rupture of extensor pollicis longus tendon) Ref: Apleys System of Orthopaedics and Fractures, 9th edition, p 774Explanation:Rupture of extensor pollicis longus occasionally occurs a few- weeks after an apparently trivial undisplaced fracture of the lower radius.The patient should be warned of the possibility and told that operative treatment is available.
Rupture of extensor pollicis longus tendon
Compartment syndrome
Carpal tunnel syndrome
Sudek's osteodystrophy