
Figure 1
Brain MRI. Preoperative T2-weighted image showing total encasement of the right ICA by the pituitary adenoma. Abbreviations: ICA, Internal Carotid Artery; MRI, Magnetic Resonance Imaging.
Video 1.
HCHB. Postoperative video showing HCHB and hemiplegia on the right and left sides, respectively. Abbreviation: HCHB, Hemichorea and Hemiballism.

Figure 2
Diffusion MRI. Image showing restricted diffusion in the right ICA territory and sparing of the thalamus and part of the lentiform nucleus. Abbreviations: ICA, Internal Carotid Artery; MRI, Magnetic Resonance Imaging.

