case_images: PMC3229812_01
case_images: Non-contrast, axial CT image of the head demonstrating a 1.6-cm hyperdense suprasellar mass, and a small amount of subarachnoid hemorrhage extending into the sylvian and intrahemispheric fissures
case_images: SNI-2-169-g001.jpg
case_images: PMC3229812_01_SNI-2-169-g001.jpg
case_images: F1
case_images: A non-contrast computed tomography (CT) scan of the head revealed a 1.6-cm hyperdense suprasellar mass compressing the optic chiasm, eccentric to the left side, and a small amount of subarachnoid hemorrhage extending into the sylvian and intrahemispheric fissures [Figure 1].
case_images: Coronal CT angiogram image without evidence of aneurysm or vascular malformation
case_images: SNI-2-169-g002.jpg
case_images: PMC3229812_01_SNI-2-169-g002.jpg
case_images: F2
case_images: A CT angiogram (CTA) did not show an associated aneurysm or vascular malformation [Figure 2].
case_images: T1, post-contrast sagittal and coronal MR images of the brain demonstrating an isointense, non-contrast enhancing mass, consistent with hematoma
case_images: SNI-2-169-g003.jpg
case_images: PMC3229812_01_SNI-2-169-g003.jpg
case_images: F3
case_images: Magnetic resonance imaging (MRI) of the brain demonstrated the same isointense, non-contrast enhancing mass, consistent with hematoma [Figure 3].
case_images: Lateral cerebral angiogram image demonstrating an irregularly shaped, postero-laterally pointing, 2.5-mm left PCoA aneurysm, with the suggestion of a larger surrounding pseudoaneurysm
case_images: SNI-2-169-g004.jpg
case_images: PMC3229812_01_SNI-2-169-g004.jpg
case_images: F4