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JAMA. 1963;186(10):969. doi:10.1001/jama.1963.03710100107053.
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Arthrography by Peylan's Method.  —A. Peylan and co-workers constructed an apparatus that gives direct recordings of the sound waves produced by the joints (Rev Rhum, p 180 [April] 1963). In Peylan's method of arthrography the aim is to obtain a picture of the joint during motion. All joints produce a vibration on moving; every diseased joint emits a particular revealing sound about its state. Auscultation offers a means of practical and original study of the joints. Concerning the knee, for instance, sounds can best be heard above the upper margin of the kneecap, and one finds that the sound weakens when the stethoscope is slowly moved away. During motion one can hear a slight crackling, even if the joint is normal. If the crackling is noisy, it is probably caused by a certain roughness of the cartilage. If the latter is destroyed, one hears a grating produced by the two


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