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Comparison of intended lengthening of magnetically controlled growing rods: ultrasound versus x-ray
Cobanoglu M, Shah SA, Gabos P et al
J Pediatr Orthop (2019)39:e141–146
Early onset scoliosis is defined as scoliosis before the age of 10 years. The surgical treatment for early onset scoliosis has traditionally been the use of growing spinal rods or expandable rods attached to the ribs, but these surgical devices require periodic surgical operative intervention with anaesthesia. Recently, magnetically controlled growing rods (MCGR) have been developed. These rods can be periodically lengthened non-invasively using computer-controlled magnets placed on the child’s skin. The benefit is that rod lengthening can be performed in an office-based setting without anaesthesia. The growth of these rods may be followed with radiography or US. US is preferred given the lack of ionizing radiation. The purpose of this study was to evaluate the accuracy of US with reference to radiography and intended...