Ultrasonographic Classification of Scapholunate Interosseous Ligament Injury Associated With Distal Radius Fracture.

The Journal of Hand Surgery
Takahiro KashiyamaKosuke Uehara

Abstract

Although scapholunate interosseous ligament (SLIL) injury is often associated with distal radius fracture, it is frequently missed in x-rays. The purpose of this study was to develop a diagnostic classification based on ultrasonography for SLIL injury and evaluate its diagnostic accuracy. Patients who required surgery for distal radius fracture were included in this study. Ultrasonography and arthroscopy were performed in all patients. The original ultrasonography-based classification of the dorsal part of SLIL was developed as follows: for type A, the SLIL surface was outlined clearly as a continuous flat line; for type B, the SLIL surface was outlined clearly as a continuous bulged line; and for type C, the SLIL surface was not continuous, smooth, or outlined clearly. Arthroscopy was performed at the time of osteosynthesis. We classified its findings according to the arthroscopic classification system of Geissler et al and evaluated interobserver and intraobserver reliabilities for our classification on ultrasonography. We also studied the relationship between the ultrasonographic and arthroscopic classifications. In total, 40 patients were included in this study. Weighted κ values for interobserver and intraobserver reliabil...Continue Reading

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