TY - JOUR
T1 - Prevalence of incomplete ossification of the humeral condyle in the limb opposite humeral condylar fracture
T2 - 14 dogs
AU - Martin, Robert Brian
AU - Crews, L.
AU - Saveraid, T.
AU - Conzemius, M. G.
PY - 2010/9/6
Y1 - 2010/9/6
N2 - Objective: The objectives of this study were to determine the frequency of incomplete ossification of the contralateral humeral condyle (IOHC) in mature dogs with unilateral, atraumatic humeral condylar fracture (HCF), and to determine the sensitivity of radiographs as a diagnostic tool for IOHC. Methods: Computed tomography and radiographs were obtained for both elbows of 14 dogs with unilateral HCF. The images were evaluated by two boarded radiologists and the prevalence of IOHC in the limb contralaterla to the HCF was identified. Sensitivity and specificity of the radiographic diagnosis of IOHC were determined. Results: Incomplete ossification of the humeral condyle was present in six of 14 dogs, however IOHC was incomplete in three of the six affected dogs. Plain radiographs had a sensitivity of 0.83 (CI 95%: 0.36 to 0.99) and specificity of 1 (CI 95%: 0.60 to1). The Kappa coefficient between radiologists for radiographic examination was 0.714. Of the Spaniel breeds, four out of eight had IOHC in the limb contralateral to the HCF. Clinical significance: Computed tomography evaluation is more sensitive than radiographs for diagnosis of IOHC, particularly when assessing partial or incomplete IOHC. However, sensitivity of radiographic diagnosis is good and should be adequate in most cases. Clinical suspicion of IOHC in the contralateral limb to the unilateral HCF should be present; however overall frequency may not be as high as previously reported.
AB - Objective: The objectives of this study were to determine the frequency of incomplete ossification of the contralateral humeral condyle (IOHC) in mature dogs with unilateral, atraumatic humeral condylar fracture (HCF), and to determine the sensitivity of radiographs as a diagnostic tool for IOHC. Methods: Computed tomography and radiographs were obtained for both elbows of 14 dogs with unilateral HCF. The images were evaluated by two boarded radiologists and the prevalence of IOHC in the limb contralaterla to the HCF was identified. Sensitivity and specificity of the radiographic diagnosis of IOHC were determined. Results: Incomplete ossification of the humeral condyle was present in six of 14 dogs, however IOHC was incomplete in three of the six affected dogs. Plain radiographs had a sensitivity of 0.83 (CI 95%: 0.36 to 0.99) and specificity of 1 (CI 95%: 0.60 to1). The Kappa coefficient between radiologists for radiographic examination was 0.714. Of the Spaniel breeds, four out of eight had IOHC in the limb contralateral to the HCF. Clinical significance: Computed tomography evaluation is more sensitive than radiographs for diagnosis of IOHC, particularly when assessing partial or incomplete IOHC. However, sensitivity of radiographic diagnosis is good and should be adequate in most cases. Clinical suspicion of IOHC in the contralateral limb to the unilateral HCF should be present; however overall frequency may not be as high as previously reported.
KW - Cocker Spaniel
KW - Humeral condylar fracture
KW - Incomplete ossification of the humeral condyle
KW - Salter-Harris type IV
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U2 - 10.3415/VCOT-09-08-0082
DO - 10.3415/VCOT-09-08-0082
M3 - Article
C2 - 20422122
AN - SCOPUS:77954081057
SN - 0932-0814
VL - 23
SP - 168
EP - 172
JO - Veterinary and Comparative Orthopaedics and Traumatology
JF - Veterinary and Comparative Orthopaedics and Traumatology
IS - 3
ER -