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The purpose of this report is the determination of the diagnostic reliability of routine radiologic and CT examinations for pelvic injuries in children. The comparative analysis of these examinations and postmortem morphologic studies of pelvic spesimens was performed in 10 children, aged 2-12 years. It was shown that the X-ray method allowed to diagnose only 47.37% and CT method - 76.32% of all real pelvic injuries (by morphological data) in those children. However, the detectability of damage of the structures that formed the anterior pelvic semi-ring was 50% by radiologic examination, and 60% by CT examination, while for the structures forming posterior pelvic semi-ring it was 44.44% and 94.44%, respectively.

Moscow Institute of Pediatrics and Pediatric Surgery, Central Institute of Traumatology and Orthopedics named after V.I. II.II. Priorova, Russian State Medical University, Children's City Clinical Hospital No. 9, MoscowAn analysis of the results of clinical and radiological examination and treatment of 43 children with pelvic polyfracures in the acute and long-term periods of trauma, as well as sectional and experimental studies is presented. Established a high incidence of diagnostic errors and unsatisfactory outcomes in the treatment of children with pelvic polyfractures. The main reasons for the development of complications, depending on the localization and nature of pelvic injuries, were revealed, and the ways of their prevention were substantiated. A technique has been developed for the use of external fixation rod devices in the treatment of children with pelvic polyfractures. The effectiveness of the proposed therapeutic tactics is confirmed by the results of treatment of 12 children.

The regularities of pelvis bones fractures in children depending on the concrete direction and conditions of the action of a hard obtuse object are revealed. The data provided show the basic mechanisms of fractures and permit solving the controversial problems occurring in concrete injury examinations