Fig. 2From: Congenital nephrogenic diabetes insipidus accompanied with central nephrogenic diabetes secondary to pituitary surgery -a case reportThe pathological results of the resected pituitary mass. It was suggested with nodular hyperplasia with hemorrhage and exudation. There was no structural necrosis and a few lymphocytes infiltrated in powder staining. Several areas presented with adenomatoid changes, which were consistent with Rathke cystBack to article page