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Figure 1: MRI showed no parenchymal lesions, but signs of intracranial hypertension were detected [intraocular protrusion of the optic nerve head (a, white arrow), prominent subarachnoid space around the optic nerves (a, yellow arrow), tortuosity of the optic nerves (a, red arrow), enlarged Meckel cave (b, white arrow)]. MRV revealed a lack of blood flow in the posterior sections of the superior sagittal, transverses, and sigmoid sinuses (c). In post-contrast images (T1 mode), a thrombus was revealed in the sagittal sinus (d, white arrow; e, yellow arrows) and in the transverse sinus (f, yellow arrow)

Figure 1: MRI showed no parenchymal lesions, but signs of intracranial hypertension were detected [intraocular protrusion of the optic nerve head (a, white arrow), prominent subarachnoid space around the optic nerves (a, yellow arrow), tortuosity of the optic nerves (a, red arrow), enlarged Meckel cave (b, white arrow)]. MRV revealed a lack of blood flow in the posterior sections of the superior sagittal, transverses, and sigmoid sinuses (c). In post-contrast images (T1 mode), a thrombus was revealed in the sagittal sinus (d, white arrow; e, yellow arrows) and in the transverse sinus (f, yellow arrow)