PMC4947081_01
Preoperative MRI images. a FLAIR axial, shows an infratentorial tumor that deforms the fourth ventricle, with hiperintense areas that suggest hemorrhage. b, c T1 with gadolinium enhanced axial and sagital, showing irregular enchantment of the tumor
40064_2016_2758_Fig1_HTML.jpg
PMC4947081_01_40064_2016_2758_Fig1_HTML.jpg
Fig1
The MRI showed a well-defined occipital infratentorial diploe osteolytic lesion, affecting the inner table, hyperintense on T1WI suggesting hemorrhagic areas producing mass effect over the left cerebellum hemisphere and obliteration of the cisterna magna ( Fig. 1). 
Postoperative MRI images. a FLAIR. b, c T1 gadolinium enhanced: shows complete resection of the tumor with no recurrence after 5 years follow up
40064_2016_2758_Fig2_HTML.jpg
PMC4947081_01_40064_2016_2758_Fig2_HTML.jpg
Fig2
At 4 years of clinical follow up and annual MRI studies, he remains asymptomatic, carries a normal life and shows no evidence of radiological recurrence (Fig. 2).