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  • Title: Comparison of the diagnostic value of ultrasonography and standing radiography for pelvic-femoral disorders in horses.
    Author: Geburek F, Rötting AK, Stadler PM.
    Journal: Vet Surg; 2009 Apr; 38(3):310-7. PubMed ID: 19573093.
    Abstract:
    OBJECTIVE: To assess agreement between ultrasonography (transcutaneous and transrectal) and standing radiography in horses with fractures in the pelvic region and disorders of the coxofemoral joint. STUDY DESIGN: Case series. ANIMALS: Warmblood horses (n=23) and 2 ponies. METHODS: Medical records (1999-2008) of equids with pelvic or coxofemoral disorders that had pelvic radiography and ultrasonography were retrieved and results of both techniques compared. RESULTS: Radiography and ultrasonography each identified equal numbers of fractures of the tuber coxa (n=4), ilial shaft (2), ischium (3), femoral neck (2), and osteoarthritis/osis of the coxofemoral joint (6). Fractures of the ilial wing (4) were only identified by ultrasonography not by standing radiography. Of 9 acetabular fractures, 3 were identified on radiographs only, 5 were identified with both modalities. One pubic fracture was identified using ultrasonography and radiography. One acetabular and 1 pubic fracture were only diagnosed on necropsy. CONCLUSIONS: We found reasonable agreement (73%; 24/33) between ultrasonography and standing radiography for diagnosis of pelvic-femoral disorders. Ultrasonography was more useful for ilial wing fractures and radiography for acetabular fractures. CLINICAL RELEVANCE: Ultrasonography is a rapid, safe imaging technique for detecting disorders of the pelvic region with a high diagnostic yield and is a preferred initial approach in horses with severe hindlimb lameness.
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