CT Diagnosis or Empty Sella Syndrome(An Analysis of 23 Cases)

Purpose: To propose CT diagnostic criteria of empty sella. Meterials and Methods: The CT findings and clinical symptoms in 23 pediatric cases with empty sella were analyred, and discussed on pathological basis. Results: The CT diagnostic criteria of empty sella were: 1. herniation of suprasellar cistern to intrasellar, no evidence of hypophysis, or reduction and indentation of hypophysis, 2. appearance of the in fundibulum sign (appeared pituilary stalk in enlarging sella), 3. enlarged sella turcica and subsided floor of sella. 4. complicated pituitary miscroadenoma. Among then, the most important sign was the second one. Conclusion: Correct diagnosis of empty sella could be made on the basis of CT characteristics. Empty sella should be differentiated from intrasellar cyst.