Atlas of Signs in Musculoskeletal Radiology is approved by the ARRS (American Roentgen Ray Society) and is included in AJR Webreview
A. Gentili,MD, M. Beller, MD, S. Masih, MD, L.L. Seeger, MD
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Atlas of Signs in Musculoskeletal Radiology is approved by the ARRS (American Roentgen Ray Society) and is included in AJR WebreviewA. Gentili,MD, M. Beller, MD, S. Masih, MD, L.L. Seeger, MD
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Diagnosis:Rotary subluxation Discussion:Multiple images of navicular disorientation with dislocation of the scapholunate joint. The scaphoid bone, seen along it long axis, has a ringed cortex appearance. This cortical ring sign is a sign of scapholunate dislocation, This sign was first described in 1970 in young patient with bilateral dislocation of the carpal naviculars. This sign (also known as the signet-ring sign) is caused by the abnormal orientation of the scaphoid.
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Atlas of Signs in Musculoskeletal Radiology is approved by the ARRS (American Roentgen Ray Society) and is included in AJR WebreviewA. Gentili,MD, M. Beller, MD, S. Masih, MD, L.L. Seeger, MD
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