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Giant left cavernous ICA aneurysm. (A) Axial FLAIR, (B) T1W, and (C) black-blood T1W vessel wall imaging show a giant left cavernous ICA aneurysm (red arrows) with pulsation artifact along the phase-encoding direction (blue arrows) and internal heterogeneous signal on FLAIR. (D) Axial postcontrast T1W image reveals homogenous enhancement of the aneurysm. (E) TOF MR angiography source and (F) MIP images show bright flow-related signal in the aneurysm.
