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  • Title: The utility of the pelvic radiograph in the assessment of pediatric pelvic fractures.
    Author: Guillamondegui OD, Mahboubi S, Stafford PW, Nance ML.
    Journal: J Trauma; 2003 Aug; 55(2):236-9; discussion 239-40. PubMed ID: 12913631.
    Abstract:
    BACKGROUND: Computed tomographic (CT) scanning is sensitive in detecting pelvic fractures in the pediatric patient. Pelvic fractures in the pediatric population rarely require emergent intervention, thus providing time to obtain the optimal imaging study. The objective of this study was to compare pelvic radiographs and abdominal pelvic CT scans of all pediatric trauma patients with pelvic injury to determine the role of pelvic imaging in the immediate trauma resuscitation. METHODS: A retrospective review was performed of pediatric patients (age < 18 years) with a pelvic fracture identified from the registry of a Level I pediatric trauma center for the period 1993 to 2001. Patients with a documented pelvic injury and both a pelvic CT scan and pelvic radiograph available for review were extracted for analysis. For this study, all films were re-reviewed by an attending pediatric radiologist, and the abnormalities were categorized by the area of injury. The data were comparatively analyzed according to the area of injury and the soft tissue findings. RESULTS: For the 8-year period, 130 pediatric patients with a pelvic fracture were identified, including 103 patients with both a pelvic CT scan and radiographs. Of the 151 fractures identified by pelvic CT scan, 81 were also identified by the pelvic radiograph (54%). There were 38 soft tissue hematomas noted by pelvic CT scan and only 2 identified by the pelvic radiograph. The greatest discrepancy was noted in comparison of the sacral region (16 abnormal pelvic CT scans vs. 3 abnormal radiographs); the least discrepancy was noted in the evaluation of the hip (6 abnormal pelvic CT scans vs. 5 abnormal radiographs). CONCLUSION: The pelvic radiograph lacked the sensitivity of the pelvic CT scan for detecting pelvic fractures in all anatomic areas evaluated. Pelvic CT scan also offers additional information regarding soft tissue injury not available on most pelvic radiographs. In the trauma patient that will undergo abdominopelvic CT scanning as part of the trauma evaluation, a pelvic radiograph may be superfluous. Screening pelvic radiography should be reserved for the rare unstable patient or the patient in whom an abdominopelvic CT scan is not otherwise indicated.
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