Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 35 1-2 1997 06 15 39 44 M. Mirsaidi 2015 09 28 A 26 year old woman attended to our hospital with multifocal giant cell tumor in different sites, one in distal end of right radius with aggresive behavior and amputation of the mid forearm and the second in the head of the right humerus with benign and non aggresive clinical appearance. https://acta.tums.ac.ir/index.php/acta/article/view/1716 https://acta.tums.ac.ir/index.php/acta/article/download/1716/1709