Rupture of extensor pollicis longus tendon occurs in all of the following except –
Correct Answer: De Quervains disease
Description: RUPTURED EXTENSOR POLLICIS LONGUS : The long thumb extensor may rupture after fraying or ischaemia where it crosses the wrist (e.g. after a Colles' fracture, or in rheumatoid ahritis). The distal phalanx drops into flexion; it can be passively extended, and there may still be weak active extension because of thenar muscle inseion into the extensor expansion; however, the thumb cannot be actively elevated backwards above the plane of the hand (retroposition). Direct repair is unsatisfactory and a tendon transfer, using the extensor indicis, is needed. The results are, in over 90 per cent of cases, satisfactory. IMAGE SHOWING RUPTURE OF EPL TENDON REF:Apley&;s system of ohopaedics- 9th edn - pg no 419.
Category:
Orthopaedics
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