[Diagnosis of hypophyseal abscess using MRI and high resolution CT]

Preoperative diagnosis of pituitary abscess is very difficult. In particular, differentiation from other cystic processes of the sellar region is delicate. The clinical and radiological findings of a case of pituitary abscess are presented. Since CT and MRI are of major importance for routine pituitary screening, the aspects of these methods are emphasized. In our experience, both methods can contribute to preoperative diagnosis.