Figure 2.

The brainstem was the contrast in MRI (A), FDG‐PET showed abnormal uptake (B), TI‐SPECT showed signs of uptake in the early phase (C), and MR spectroscopy showed no signs of lactate or lipid increases (D).

The brainstem was the contrast in MRI (A), FDG‐PET showed abnormal uptake (B), TI‐SPECT showed signs of uptake in the early phase (C), and MR spectroscopy showed no signs of lactate or lipid increases (D).