There are many anatomic structures in close proximity to one another in the region around the pituitary gland: sella turcica and suprasellar cistern. Knowledge of these structures, and their relationship to one another, is important for accurate interpretation of diagnostic images of this area. An excellent approach to differential diagnosis of lesions in this region is to try to determine the location of the lesion relative to each of these structures, then examine the specific imaging characteristics of the lesion to refine the differential diagnosis and reach a final diagnosis.
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