Acta Academiae Medicinae Sinica

Fig 1

The lesion located in the right frontal region on the axial CT plain image,and presented low heterogeneous density and clear margin with CT value 33 HU, the adjacent brain tissue showed widely edema"

Fig 2

The lesion located in the right frontal region,and showed long T1 and long T2 signal and clear margin, the tortuous blood vessels with flow void was identified in the lesion, the lesion presented high signal on DWI,a slight high signal on apparent diffusion coefficient maps with apparent diffusion coefficient value 1.19×10-3 mm2/s; after contrast administration,the lesion showed evident heterogeneous enhancement and radial-spoke like non-enhancement pattern; the lesion also showed broad-based connected with adjacent cerebral falx and diploe, some cerebral spinal fluid was confirmed around the lesion DWI:diffusion-weighted imaging;T1WI:T1 weighted image A. axial T2 weighted image;B. axial DWI (b=1000);C. apparent diffusion coefficient map;D. axial T1WI;E. axial enhanced T1WI;F. sagittal enhanced T1WI;G. coronal enhanced T1WI"