Page 54 - 12. Osteoarthritis
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                                                                                RADIOGRAPHIC IMAGING










             • Primary osteoarthritis is typically diagnosed on the basis of

                 clinical and radiographic imaging findings








             • Radiographic findings may be normal in the early stages of


                 the disease, because cartilage is not directly visualized.


                 Eventually, cartilage loss manifests as joint-space narrowing.
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