Pituitary lesion; preoperative planning for resection. There is a pituitary lesion with suprasellar extension and mass effect upon the optic chiasm. There is also a subcentimeter extra-axial lesion along the left aspect of the superior sagittal sinus. Fiducial markers are present on the skin.
1. Preoperative planning MRI demonstrates a pituitary lesion with suprasellar extension, which likely represents a pituitary macroadenoma. Please refer to the prior MRI report for additional details.2. A subcentimeter extra-axial lesion along the left aspect of the superior sagittal sinus may represent a meningioma. Please refer to the prior MRI report for additional details.