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. 2018 Dec 12;79(4):e98–e102. doi: 10.1055/s-0038-1676455

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Fig. 1 — Preoperative axial ( A ) computed tomography (CT) of the head shows a complex mass within the left cavernous sinus and CPA cistern compressing the left pons. Magnetic resonance imaging (MRI) ( C – E ) reveals a solid and cystic mass centered at the cavernous sinus and Meckel's cave with a bulky hemorrhagic extension to the CPA cistern. The main mass is isointense on T1-weighted images ( C ) and heterogeneously isointense on T2-weighted images ( B ) with multilocular small cysts containing hemorrhagic layering. The solid component of the lesion is avidly enhancing on postcontrast images ( D ). Signal of diffusion-weighted sequence imaging is lower than the brain parenchyma ( E ) with ADC value of 1,300 ± 643 (× 10 ⁻⁶ mm ² /s; F ). CPA, cerebellopontine angle. ADC, apparent diffusion coefficient.