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  Indian J Med Microbiol
 

Figure 1: (a) Axial T2-weighted images at the level of mid-brain shows median cleft, which is seen separating the cerebellar hemispheres and communicating with fourth ventricle, producing the typical bat wing (open umbrella) (solid arrow) appearance. (b) Axial T2-weighted image at the pontomesencephalic junction shows the typical molar tooth appearance (solid arrow) with prominent superior cerebellar peduncles. (c) Sagittal T1-weighted image shows absence of primary fissure and a vermin aplasia superiorly (solid arrow)

Figure 1: (a) Axial T2-weighted images at the level of mid-brain shows median cleft, which is seen separating the cerebellar hemispheres and communicating with fourth ventricle, producing the typical bat wing (open umbrella) (<i>solid arrow</i>) appearance. (b) Axial T2-weighted image at the pontomesencephalic junction shows the typical molar tooth appearance (<i>solid arrow</i>) with prominent superior cerebellar peduncles. (c) Sagittal T1-weighted image shows absence of primary fissure and a vermin aplasia superiorly (<i>solid arrow</i>)