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Keywords:

  • horse;
  • ultrasonography;
  • foot;
  • distal interphalangeal joint;
  • dorsal digital extensor tendon

Summary

Ultrasonographic examination of the dorsal aspect of the distal interphalangeal joint is part of the routine examination of the foot structures. The purpose of this paper is to describe the ultrasonographic anatomy of the area, and normal transverse and longitudinal images. Clinical cases are presented to illustrate abnormal findings and lesions of the dorsal aspect of the joint. Ultrasonography can complement radiography for the diagnosis and documentation of many soft tissue and joint abnormalities such as synovitis, fluid distension, cartilaginous defects, periarticular osteophytes and bone fragments.