This version is not peer-reviewed. Kyle Walker *,J.B. Smith *,Niket Todi,Danielle Brown,R. Lor Randall Kyle Walker *,J.B. Smith *,Niket Todi,Danielle Brown,R. Lor Randall This version is not peer-reviewed. In this comprehensive review, we explore the full spectrum of the most common incidentally found bone lesion in children and adolescents. Non-ossifying fibromas (NOFs) are benign, self-limiting bone lesions that represent a significant proportion of skeletal abnormalities in this population.