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Figure 1: (a) NCCT head axial images showing extradural multiseptate hypodense cystic lesion in posterior fossa with peripheral and septal calcification. (b) T1W image showing hypointense lesion (c) T2W image showing hyperintense lesion with thin hypointense periphery. (d) T1 post-contrast image revealing thin peripheral rim of enhancement. (e and f) DWI and apparent diffusion coefficient showing no restriction

Figure 1: (a) NCCT head axial images showing extradural multiseptate hypodense cystic lesion in posterior fossa with peripheral and septal calcification. (b) T1W image showing hypointense lesion (c) T2W image showing hyperintense lesion with thin hypointense periphery. (d) T1 post-contrast image revealing thin peripheral rim of enhancement. (e and f) DWI and apparent diffusion coefficient showing no restriction