Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 45 4 2007 08 15 325 328 Z. Dalili-Kajan G. Adham-Fumani H Dalili-Kajan 2015 09 28 Desmoplastic fibroma is a rare, locally aggressive, benign lesion. A case of desmoplastic fibroma of left side of mandible is reported. The lesion presented as painless mass in left posterior portion of mandible of a 7-year-old girl. Histologically the lesion was composed of interlacing fascicles of benign appearing fibroblast in a varying ground substance of collagenous tissue. In this report, we discuss on radiographic findings and compare them with previous reports https://acta.tums.ac.ir/index.php/acta/article/view/3295 https://acta.tums.ac.ir/index.php/acta/article/download/3295/3273