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Computed tomographic demonstration of central tarsal bone plantar process occult fracture in a dog
  1. G. Galateanu, DVM1,
  2. I. Aizenberg, DVM2,
  3. T. B. Hildebrandt, DVM, MRCVS1 and
  4. D. Apelt, DVM3
  1. Department of Reproduction Management, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Strasse 17, 10315 Berlin, Germany
  2. Israeli Diploma of Veterinary Radiology and Veterinary Internal Medicine in Companion Animals, Diagnostic Imaging Department, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Beit-Dagan 50250, Israel
  3. Tierärztliche Klinik für Klein-und Heimtiere, Alt Biesdorf 22, 12683 Berlin, Germany
  1. E-mail for correspondence galateanu{at}

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TARSAL injuries, and in particular, central tarsal bone (CTB) fractures, are well described and have been the subject of considerable investigation, especially in racing greyhounds (Devas 1961, Boudrieau and others 1984, Ost and others 1987, Muir and others 1999, Guilliard 2000, Johnson and others 2000, Tomlin and others 2000, Usherwood and Wilson 2005, Piras and Johnson 2006, Bergh 2008, Jones 2009). In total, the CTBs of 277 greyhounds were the subject of nine studies, and approximately 400 greyhounds with hock/CTB fractures were reported to have been successfully brought back to their racing performance (Jones 2009). In contrast, CTB fracture-luxation is only infrequently described in other breeds, and the number of dogs reported in each breed is very small: seven border collies (Lorinson and Grösslinger 2001, Guilliard 2007), two dalmatians (Hay and others 1995), two hovawarts (Lorinson and Grösslinger 2001), one Australian shepherd dog (Harasen 1999), one basset hound (Gitz 1988) and one whippet (Vaughan 1987). Usually, CTB fractures are associated with the body of this bone and are classified into five types (Boudrieau and others 1984). There are very few reports on fractures of the plantar process of the CTB (PPCTB) (Guilliard 2007, Harasen 1999, Piermattei and others 2006). A possible explanation is the location of the PPCTB, which makes radiographic interpretation a challenging task due to the superimposition of multiple bony structures (Eichenholtz and Levine 1964, Popesko 1979, Gielen and others 2001 …

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