Fig. 4From: Paroxysmal sympathetic hyperactivity in brainstem-compressing huge benign tumors: clinical experiences and literature review a. Preoperative MRI of patient 2 showing PSH. A 7.7 cm-sized homogenous enhancing cystic and solid extraaxial mass originates form jugular foramen. This mass extends from retroclival area to posterior fossa compressing brainstem. (Clockwise direction; T2WI coronal, T1W enhance coronal, T1 W enhance axial, 3D FLAIR). b. Immediate postoperative CT scan demonstrating focal hemorrhage and edema in compressed brainstem. c. Postoperative CT scan (POD 14) when the PSH occurredBack to article page