Page 393 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition
P. 393

368                                        CHAPTER 1



  VetBooks.ir  1.727                                      1.728



















           Fig. 1.727  Transverse sonogram of the palmar   Fig. 1.728  Irregular, longitudinal lesion within
           aspect of the pastern at the level of the PIP joint. The   the lateral part of the DDFT in the pastern region
           lateral part of the DDFT is enlarged and irregular in   (arrow). The lesion extends to the periphery and
           shape (left side).There is associated thickening of the   synovial sheath cavity, which appears distended. There
           synovial membrane of the digital sheath (arrow).  is, however, no obvious synovial thickening.


           1.729                                          1.730




























           Fig. 1.729  Longitudinal tears of the DDFT in   Fig. 1.730  Transverse sonogram of the palmar aspect
           the fetlock region (arrowhead) associated with   of the pastern at the level of the PIP joint. The medial
           mineralisation within the lesion (arrows), visible as   part of the DDFT (right side) is slightly enlarged. There
           hyperechogenic surfaces casting acoustic shadows   is a hypoechogenic lesion opening at the dorsomedial
           (arrowhead).                                   aspect, suggesting a superficial tear (arrow).


           not provide adequate images because of thick skin,   superficial tendon lesions than ultrasonography.
           sudden change of angle and the presence of the   Adhesions may be visible as a focal tissue signal
           ergot. It is also a more sensitive means of detecting   between the visceral and parietal synovial linings
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