Three-dimensional sonographic imaging of the equine superficial digital flexor tendon

A. K. W. Wood From the Department of Clinical Studies (Wood), School of Veterinary Medicine, University of Pennsylvania, 3850 Spruce St, Philadelphia, PA 19104-6010, the Department of Radiology (Sehgal), School of Medicine, University of Pennsylvania, 308 Stemmler Hall, 36th and Hamilton Walk, Philadelphia, PA 19104-6086, and the Department of Clinical Studies (Reef), School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348-1692.

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C. M. Sehgal From the Department of Clinical Studies (Wood), School of Veterinary Medicine, University of Pennsylvania, 3850 Spruce St, Philadelphia, PA 19104-6010, the Department of Radiology (Sehgal), School of Medicine, University of Pennsylvania, 308 Stemmler Hall, 36th and Hamilton Walk, Philadelphia, PA 19104-6086, and the Department of Clinical Studies (Reef), School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348-1692.

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V. B. Reef From the Department of Clinical Studies (Wood), School of Veterinary Medicine, University of Pennsylvania, 3850 Spruce St, Philadelphia, PA 19104-6010, the Department of Radiology (Sehgal), School of Medicine, University of Pennsylvania, 308 Stemmler Hall, 36th and Hamilton Walk, Philadelphia, PA 19104-6086, and the Department of Clinical Studies (Reef), School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348-1692.

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Summary

In a feasability study, a technique for constructing 3-dimensional sonographic images of the superficial digital flexor tendon (sdft) was established in 6 clinically normal horses and applied to 7 horses with injured sdft. Two-dimensional B-mode sonographic images were recorded on videotape as the sonographic transducer was manually moved along the palmar aspect of the metacarpal region. Selected videofields were digitized, and 3-dimensional images were constructed, using a computer work station and dedicated software program. The 3- dimensional images were of high quality and presented qualitative clinical information in unique fashion. Indication of the extent of sdft injuries was excellent. Such 3-dimensional images would be especially useful in explaining to owners and trainers the importance of the injury to their horse and would have a role in monitoring tendon healing and in the assessment of various treatments.

Summary

In a feasability study, a technique for constructing 3-dimensional sonographic images of the superficial digital flexor tendon (sdft) was established in 6 clinically normal horses and applied to 7 horses with injured sdft. Two-dimensional B-mode sonographic images were recorded on videotape as the sonographic transducer was manually moved along the palmar aspect of the metacarpal region. Selected videofields were digitized, and 3-dimensional images were constructed, using a computer work station and dedicated software program. The 3- dimensional images were of high quality and presented qualitative clinical information in unique fashion. Indication of the extent of sdft injuries was excellent. Such 3-dimensional images would be especially useful in explaining to owners and trainers the importance of the injury to their horse and would have a role in monitoring tendon healing and in the assessment of various treatments.

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