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  • Title: [Salter-harris fractures in dogs and cats considering problems in radiological reports--a retrospective analysis of 245 cases between 1997 and 2012].
    Author: Engel E, Kneiss S.
    Journal: Berl Munch Tierarztl Wochenschr; 2014; 127(1-2):77-83. PubMed ID: 24490347.
    Abstract:
    To identify typical trauma patterns or frequent radiological pitfalls that could help a radiologists in their daily routine, a retrospective study of Salter-Harris fractures in dogs and cats was performed. Radiographs obtained in the period 1991-2012 of 288 fractures in 245 patients with suspected injuries affecting growth plates in the appendicular skeleton were retrieved from the imaging archive. The femur was the bone most frequently affected (46.5%), followed by the humerus (19.8%), tibia (13.5%) and radius (11.8%). The distal growth plate was in all bones more often involved than the proximal growth plate (79.5% vs. 20.5%). The frequency of Salter-Harris fractures was 39.9% type I, 37.8% type II, 3.1% type III and 19.1% type IV. In dogs the most common physeal fracture was a type IV fracture of the of the distal femur. Radiographically, physeal fractures were recognized by at least two Roentgen signs, including change in opacity, displacement of the epiphysis or the Thurston-Holland sign. On the basis of the review, the original radiographic reports of 44/288 fractures were considered erroneous regarding the incorrect Salter Harris grouping. In 5/44 instances, the radiological examination had technical deficiencies that may have contributed to the errors, including 3 with oblique projections. Minimal variations in the projection was evident in the majority of reviewed cases. Measures to help optimize radiographic reports will be discussed.
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