Figure 1: Posterior pituitary bright spots (PPBS) on sagittal MRI-T1WI of patients with pituitary adenomas. (a) Female patient with prolactin adenoma (29 years old). Tumor height was 19. 68 mm. PPBS are indicated by the white arrow. (b) Male patient with gonadotropin adenoma (19 years old). Tumor height was 33. 12 mm. No obvious PPBS was observed