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Computer tomography (CT) presents a method of determining longitudinal axis vertebral rotation and vertebral, spinal, and rib case deformity. Different rotation angles, distances, and indexes are defined and discussed. Radiation risks were evaluated and considered exceedingly small when compared to the ordinary spinal anteroposterior radiograph. In a model(More)
The correlation between the lateral curve, the location and the length of the curve, and the longitudinal axis rotation of the apical vertebra has been studied in 65 patients with idiopathic scoliosis using computer-assisted tomography. This method provides the opportunity to describe the relationship between the rib hump, the longitudinal axis rotation,(More)
The long-term effect of Boston brace treatment was investigated by computed tomography measurements before treatment, after bracing, and at mean follow-up at 8.5 years in 25 patients with idiopathic scoliosis. At follow-up, the pretreatment Cobb angle, the vertebral rotation, the rib hump, and the translation of the apical vertebra were not significantly(More)
Thirty-seven patients with fractures of the thoracic and lumbar spine treated with Harrington instrumentation were reviewed. Twenty-seven patients with a follow-up time of more than 2 years were summoned for a clinical and radiographic examination. This report presents the results related to reduction, stabilization, return of neural function, spinal(More)
The effects of Harrington instrumentation on the longitudinal axis rotation of the vertebra, the kyphosis-lordosis, and the rib-cage deformity were investigated by computer tomography in 33 patients. No significant derotation was achieved. The sagittal diameter of the rib cage was reduced significantly with distraction rod instrumentation and further by(More)
Spinal echinococcosis is a rare but serious condition. Within bone tissue hydatid cysts enlarge by daughter cyst formation. The value of drug treatment in bone echinococcosis is questionable. The aim of surgery is therefore removal of all the cysts. The best way to achieve this is at the first operation early in the progress of the disease. An anterior or(More)
The effect on pulmonary function of all three dimensions of the scoliotic deformity was analyzed with computer tomography in 33 patients with thoracic idiopathic scoliosis. Both static (total lung capacity [TLC], vital capacity [VC] and functional residual capacity [FRC] ) and dynamic volumes (forced expiratory volumes in one second [FEV-1]) were negatively(More)