Fig. 1From: Godtfredsen syndrome – recurrent clival chondrosarcoma with 6 years follow up: a case report and literature reviewA Coronal view of the MRI brain shows residual tumour at the right basiocciput of the clivus. Enlarged photo shows tumour involving the right hypoglossal canal (in asterisk, *) Hypoglossal canal surrounded by jugular tubercle and occipital condyle resembles eagle head. (Eagle head image from Wikimedia Commons). B Axial view of MRI brain shows right clival mass at prepontine cistern causing compression the pons. C Residual clival chondrosarcoma extending to the right side sella compressing and displacing pituitary gland to the leftBack to article page