Figure 2From: Neuroimaging findings in a woman with brainstem paragonimiasis: a case report and review of the literature An abnormal sign on the lateral angles on the magnetic resonance imaging scan. The characteristic appearance was the ‘tunnel sign’, which was arrowed in T1 sagittal (C) and T2 axial sequences (F). FLAIR imaging (D) indicated leukoencephalopathy on the lateral angles. However, there were no remarkable changes on T1 (A), contrasted MR (B) and DWI imaging (E).Back to article page