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What is A patient on colles cast present after two weeks with the inability to extend his thumb, the most likely reason is: and explain in detail?
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.