%0 Journal Article %T Common and Rare Causes of Spinal Dumbbell-Shaped Lesions Including a Chondrosarcoma That Primarily Developed in the Cervical Spine: A Case Report %A Amirhossein Ghazavi %A Ali Hekmatnia %J Iranian Journal of Radiology %D 2009 %I Tehran University of Medical Sciences %X Various neoplastic, vascular and developmental causes may lead to spinal neural foraminal widening. Schwanomas and neurofibromas are the most common causes of spinal dumbbell-shaped lesions. Occasionally, some other slow-growing tumors may cause neural foraminal widening."nWe report an exceptional case of a spinal chondrosarcoma of the neural arcus of C5. The lesion passed through the C4-C5 foramen, producing a dumbbell mass. %U http://journals.tums.ac.ir/PdfMed.aspx?pdf_med=/upload_files/pdf/13064.pdf&manuscript_id=13064