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Internal derangement of the knee joint due to tearing of the internal lateral ligament and detachment of a portion of the internal semilunar cartilage is a common disability. Recurrent slipping of the patella, however, is rather unusual and, when the two conditions occur in the same knee at the same time, a situation exists that calls for radical surgical relief. We report a case in which the foregoing conditions were manifest and describe the method by which an excellent cure was obtained.
REPORT OF CASE
—C. C. S., a man, aged 37, sustained an acute injury to his left knee in August 1930. Repeated aspirations yielded bloody fluid, and after three weeks the knee assumed its normal appearance. Pain persisted in the medial side and it was evident that the patient was suffering from a tearing of the internal lateral ligament and partial
Teal F, Orr HW. INTERNAL DERANGEMENT OF THE KNEE AND SLIPPING PATELLA: SIMULTANEOUS OCCURRENCE IN THE SAME KNEE. JAMA. 1935;104(3):212. doi:10.1001/jama.1935.92760030001010
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