Magnetic resonance imaging of pituitary lesions using 1.0 to 1.5 T field strength.
Six patients with pituitary abnormalities and three normal volunteers were evaluated by high field superconductive (1.0, 1.4, or 1.5 Tesla) magnetic resonance (MR) imaging, low field resistive (0.12 Tesla) MR imaging, and contrast-enhanced, high-resolution CT. Four macroadenomas, one microadenoma, and one empty sella were demonstrated. Their morphology and anatomic relationship to the visual pathway and the internal carotid and anterior cerebral arteries were best demonstrated by high field MR imaging. The low field resistive MR studies were least effective in showing the lesions.
Bilaniuk, LT; Zimmerman, RA; Wehrli, FW; Snyder, PJ; Goldberg, HI; Grossman, RI; Bottomley, PA; Edelstein, WA; Glover, GH; MacFall, JR
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