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  Indian J Med Microbiol
 

Figure 1: (a) Typical anterior third ventricle colloid cyst expanding the foramen of Munro and causing obstructive hydrocephalus. The preoperative axial CT (b) Shows a hyperdense cyst, appearing isointense with a central area of hypointensity on T2-weighted axial; (c) Coronal; (d) MRI. On axial FLAIR sequence; (e) The lesion is hyperintense with evidence of periventricular CSF seepage. Post-contrast axial T1-weighted MRI; (f) Demonstrates a hypointense cyst without any enhancement. This tumor was operated through a transcallosal transforaminal approach and excised completely as evidenced by the postoperative CT image

Figure 1: (a) Typical anterior third ventricle colloid cyst expanding the foramen of Munro and causing obstructive hydrocephalus. The preoperative axial CT (b) Shows a hyperdense cyst, appearing isointense with a central area of hypointensity on T2-weighted axial; (c) Coronal; (d) MRI. On axial FLAIR sequence; (e) The lesion is hyperintense with evidence of periventricular CSF seepage. Post-contrast axial T1-weighted MRI; (f) Demonstrates a hypointense cyst without any enhancement. This tumor was operated through a transcallosal transforaminal approach and excised completely as evidenced by the postoperative CT image