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TWO CASES OF BILATERAL CONGENITAL DISLOCATION OF THE HEAD OF THE RADIUS

H. Page Mauck, M.D.; R. D. Butterworth, M.D.
JAMA. 1940;114(26):2542-2543. doi:10.1001/jama.1940.62810260001007.
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"There is very little if any reference in the British literature to congenital dislocation of the head of the radius," says Bryan McFarland1 in his report of eleven cases. These cases were all unilateral and irreducible. He operated on five of the patients, removing the head of the radius, and advised operation if any was necessary. None of McFarland's cases were complicated by any other condition such as Erb's paralysis or radioulnar synostosis. At operation he found that the head of the radius was flat and out of the capsule, there was no orbicular ligament, no lesser coronoid fossa, the head of the radius was misshapen and the radius was too long.

In searching through several textbooks, we found that Keen2 gave the best description and stated that fifty-one cases had been reported up to 1907. There is slight if any reference to this condition in the newer

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