case_images: PMC5025953_01
case_images: Preoperative contrast enhanced magnetic resonance imaging
case_images: SNI-7-591-g001.jpg
case_images: PMC5025953_01_SNI-7-591-g001.jpg
case_images: F1
case_images: Both lesions were T1 hyperintense enhancing lesions with a mixed iso and hypointense signal on T2 [Figures 1 and 2].
case_images: Preoperative T2 magnetic resonance imaging
case_images: SNI-7-591-g002.jpg
case_images: PMC5025953_01_SNI-7-591-g002.jpg
case_images: F2
case_images: Both lesions were T1 hyperintense enhancing lesions with a mixed iso and hypointense signal on T2 [Figures 1 and 2].
case_images: Preoperative angiogram
case_images: SNI-7-591-g003.jpg
case_images: PMC5025953_01_SNI-7-591-g003.jpg
case_images: F3
case_images: A cerebral angiogram confirmed obstruction of the right sigmoid sinus and jugular vein at the level of the jugular foramen with recanalization distally [Figure 3].
case_images: Postoperative contrast enhanced magnetic resonance imaging
case_images: SNI-7-591-g004.jpg
case_images: PMC5025953_01_SNI-7-591-g004.jpg
case_images: F4
case_images: The patient was treated with stereotactic radiosurgery at 6 months (22 Gray in three fractions) and has been stable on MRI imaging for 12 months [Figure 4].
case_images: Pathology slides, (a, b) from the scalp lesion and (c, d) from the cerebellopontine angle lesion
case_images: SNI-7-591-g005.jpg
case_images: PMC5025953_01_SNI-7-591-g005.jpg
case_images: F5
case_images: Marked intracellular and extracellular melanin deposition was noted [Figure 5].