background: pelvic ring injuries and sacroiliac dislocations have significant impacts on patient’s quality of life. several techniques have been described for posterior pelvic fixation. the current study has been designed to evaluate the spinopelvic method of fixation for sacroiliac fractures and fracture-dislocations.   methods: between january 2006 and december 2014, 14 patients with sacroili...

OBJECTIVE Posterior accessed lumbar interbody fusion (PALIF) has a clear objective to restore disc height and spinal alignment but surgeons may occasionally face the converse situation and lose lumbar lordosis. We analyzed retrospective data for factors contributing to a postoperative flat back. METHODS A total of 105 patients who underwent PALIF for spondylolisthesis and stenosis were enroll...

this paper presents the current activities on radiation protection in iran. according to the atomic energy organization law of iran the radiological safety is ascribed to the atomic energy organization of iran (a e o i) and the radiation protection department (r p d) is the responsible organ within aeoi. r p d since it's establishment in 1975, with the aim to ensure the protection of man and hi...

BACKGROUND The aim of this study was to answer the following two questions: 1) Do the radiological parameters of dysplasia have significant correlations between themselves or with the parameters of the proximal femoral deformity and vice versa? 2) Do the physical parameters have a significant correlation with the radiological parameters of hip dysplasia and proximal femoral deformity? METHODS...

Introduction Severe osteoarthritis of the hip may cause abnormal spinopelvic alignment. Therefore, spinal alignment may change after total hip arthroplasty (THA); however, there have been no prospective clinical reports on the influence of preoperative lumbar lateral flexibility on the improvement of spinal alignment. The purpose of this study was to examine the effect of preoperative lumbar la...

background: although ionizing radiation is widely used to diagnose many diseases, the relevant hazards are known to be as an important limitation of its application. it is believed that the awareness of ionizing radiation dose values is one of the main stages in patient's radiation protection. the purpose of this study has been to investigate the level of physicians' knowledge about r...