Ulnar styloid impingement syndrome |
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Authors: | Hormoz Zahiri Christopher A Zahiri Farrokh K Ravari |
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Institution: | (1) International Orthopedic Center for Joint Disorders, 50 N. La Cienega Blvd., Suite 100, Beverly Hills, CA, USA |
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Abstract: | The tip of an excessively long ulnar styloid can impinge upon the triangular fibrocartilage complex (TFCC) against the triquetrum.
The subtleties in biomechanics of the wrist joint and their role in the production of the symptoms are presented as five cases
from a retrospective study. The relationship of the symptoms to the patients’ job activities is also discussed. The embryological
and anatomical studies show that the tip of the ulnar styloid is covered by the TFCC. Therefore, the term “ulnar styloid impingement
syndrome” is adopted for the entity in cases in which the TFCC has remained intact. |
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Keywords: | |
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