Special type of Wernekink syndrome in midbrain infarction: Four case reports

Figure 4 Patient 4. A: Brain magnetic resonance imaging (MRI) on May 5, T1 weighted image, T1 low signal can be seen at the midbrain aqueduct; B: Brain MRI on May 5, T2 weighted image, T2 high signal can be seen at the midbrain aqueduct; C: Brain MRI on May 5, diffusion-weighted imaging image, high signal can be seen in the midbrain aqueduct; D-F: Head and neck magnetic resonance angiography on May 5, slim bilateral posterior cerebral arteries.