Figure 1.

¹⁸F-FDG PET/CT images showing linear or nodular hypermetabolic lesions (red arrow) involving multiple cranial and peripheral nerves, corresponding to the patient’s complex neurological symptoms, including impaired hearing in the right side, bilateral facial hypesthesia, decreased vision, diplopia, lumbodorsal pain and weakness in both inferior extremities. ¹⁸F-FDG PET/CT showing increased ¹⁸F-FDG uptake along (A) the right acoustic nerve, (B) the bilateral trigeminal nerves and Meckel’s caves, (C) in the optic chiasm. ¹⁸F-FDG PET/CT showing increased ¹⁸F-FDG uptake in (D) the left nerve root of T11/12, (E) the right nerve root of T12/L1, (F) a strip-like soft tissue lesion between the left adrenal gland and abdominal aorta.