Abstract
Lesions in the sellar and parasellar regions are encountered frequently in clinical radiology. Complex anatomy of this region contains numerous key structures, which can be affected by a variety of pathologic processes. Although “SATCHMO,” a commonly used mnemonic, may help the radiologist to remember differential diagnoses when imaging findings overlap, it has limited diagnostic utility. (See page 7 for description of SATCHMO.) A systematic approach to imaging findings in the sellar region can provide valuable information regarding the extent of pathology, aid in treatment planning, and help detect complications. This article discusses regional anatomy, clinical presentation, pathophysiology, and imaging characteristics of common sellar region pathology.
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