Conclusion:Pituitary abscess should be considered when patients presented diabetes insipidus,hypopituitarism,sella bone erosion and sella neoplasm similar to a cyst tumor in CT or MRI.

若鞍区病变不大，但引起较严重的蝶鞍骨质破坏，表现为尿崩症和垂体功能低下时，应首先考虑垂体脓肿。

Arginine vasopressin(AVP) is a kind of introgenic nine peptide hormone,which was traditional applied in diabetes insipidus and rhexis bleeding caused by acute esophageal varix.

血管加压素(AVP)是一种内源性激素,传统用于治疗尿崩症和急性食道静脉曲张破裂出血。