case_images: PMC5306994_01
case_images: (a) Nonenhanced axial section at the level of the foramen of Monro: a well-defined, round, hyperdense lesion causing mild prominence of bilateral lateral ventricles. (b) Contrast enhanced image shows no significant enhancement in the lesion.
case_images: CRIRA2017-2467085.001.jpg
case_images: PMC5306994_01_CRIRA2017-2467085.001.jpg
case_images: fig1
case_images: No significant enhancement appeared after intravenous contrast injection (Figures 1(a) and 1(b)).
case_images: PMC5306994_02
case_images: (a) Axial T2WI images: a well-defined, round, isointense lesion to the gray matter at the level of the foramen of Monro causing moderate acute hydrocephalus. (b, c) FlAIR and T1WI: the lesion is hyperintense relative to brain parenchyma. (d) T2* GRE images: no drop of signal to indicate intralesional hemorrhage.
case_images: CRIRA2017-2467085.002.jpg
case_images: PMC5306994_02_CRIRA2017-2467085.002.jpg
case_images: fig2
case_images: Subtle enhancement of the lesion was seen on postcontrast images (Figures 2 and 3).
case_images: (a) TIWI + C: subtle enhancement after intravenous gadolinium injection. (b & c) No elevated diffusion pattern.
case_images: CRIRA2017-2467085.003.jpg
case_images: PMC5306994_02_CRIRA2017-2467085.003.jpg
case_images: fig3
case_images: Subtle enhancement of the lesion was seen on postcontrast images (Figures 2 and 3).