Fibroma desmoplásico del hueso

this is the case of a desmoplastic fibroma present in an adolescent aged 14. a radiographic study was conducted showing an extensive osteolytic diaphysis and metaphyseal lesion in right femur. the objective of present paper was to present a tumor with little statistic frequency in the national and international bibliography and also to show the procedure and definitive treatment. the histological study corroborates the presence of abundant collagen fibers forming hyalinization strips separated by scarce small fibroblasts without mitosis activity. curettage of lesion was performed with insertion of surgical cement. patient had a satisfactory postsurgical course with an immediate incorporation to social environment.