The J-sign in patellar maltracking
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DOI: 10.1136/bcr-2017-222887
Abstract: A 42-year-old man presented with numerous left patella dislocations. While the initial dislocation was traumatic, recent episodes were atraumatic. He had no clinical evidence of hyperlaxity, but presented with patellar apprehension and a positive J-sign. His… read more here.
Keywords: patellar maltracking; sign patellar; sign;