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目的：提出空泡蝶鞍的CT诊断要点。材料与方法：分析23例空泡蝶鞍的临床及CT表现，并从病因病理学角度加以解释．结果：空泡蝶鞍的CT诊断要点：1．鞍上池疝入鞍内．垂体未见或压缩变扁呈“凹”形。2．漏斗征：（即显示扩大的蝶鞍中的垂体蒂）．3．伴有蝶鞍变形扩大，鞍底下陷．4．并发垂体微腺瘤．其中漏斗征系空泡蝶鞍的特征性表现,结论：空泡蝶鞍的CT检查具有特异性．CT能做出正确诊断，需与蝶鞍囊肿进行鉴别。
Objective: To put forward the key points of CT diagnosis of vacuolar sella. Materials and Methods: Clinical and CT findings of 23 cases of vacuolar sella were analyzed and explained from the etiology and pathology. Results: CT diagnosis of vacuolar sellae: 1. Saddle pool hernia into the saddle. Pituitary no seen or compressed flattened was “concave” shape. 2. Funnel sign: (that shows the enlarged sella in the pituitary pedicle). 3. With the deformation of the sella expanded, saddle bottom sag. 4. Pituitary adenoma complicated. Among them, the funnel sign was the characteristic manifestation of the vacuole sella. Conclusion: The CT examination of the vacuole sella was specific. CT can make the correct diagnosis, need to be identified with the sella cyst.