Fig. 4From: Localization of TSH-secreting pituitary adenoma using 11C-methionine image subtractionLateralization CNR. a Coronal plane of FSPGR MR image used to find the midline of pituitary stalk. b Sagittal plane used to find the center of the pituitary gland. c Illustration of volumes of interest used to find left [blue] and right [yellow] maximum signalsBack to article page