NF1 and neurofibromatosis type 1: Therefore, the purpose of this study was to quantify the prevalence of spinal abnormalities in a collective of NF1 patients that is representative of the general NF1 population, to associate the co-appearance of spinal abnormalities with both NF1 and clinical symptoms and to investigate if different mutations of the NF1 gene effect the prevalence of these abnormalities.