Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 0 1972 12 15 103 111 G.A. Teyrnoorian  A. Slamdoust  F.Bagheri 2015 09 28 Two new cases of aneurysmal bone cyst of the spine are presented. In one of them only the spinous process was involved, and in the second case mthe neural arch and the body were involved. A brief review of the literature with clinical, radiological and pathilogical features of this benign lesion is made and its differential diagnosis, specially from giant cell tumor of the spine emphasised. https://acta.tums.ac.ir/index.php/acta/article/view/4159 https://acta.tums.ac.ir/index.php/acta/article/download/4159/4134