Abstract
Metrizamide cisternography with both hypocycloid and computed tomography was performed on 23 patients with a sellar or a suprasellar lesion. The degree of an extrasellar tumour extension or the presence of an empty sella was detected precisely. The procedure was easy to perform and the side-effects were mild to moderate in most patients. When used carefully this diagnostic method provides valuable information when choosing the appropriate treatment for patients with sellar or parasellar lesions.
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