PMC9114295_01
Water deprivation test results.
fendo-13-889074-g001.jpg
PMC9114295_01_fendo-13-889074-g001.jpg
f1
Figure 1 ) The Endocrinology Department was contacted for clinical guidance. Further hormonal analysis showed: FSH 4.76 UI/L, LH 5.62 UI/L, estradiol 323 pmol/L, IGF1 74.8 ng/mL (88-209), PRL 24.7 mcg/L (3.3-26.7).
(A) sagital T1 showing a normal anterior pituitary gland and absent posterior pituitary hyperintensity; (B) axial T1 fat-sat confirms absent posterior pituitary hyperintensity; (C) - coronal T1 post gadolinium depicts the normal shape and height of the enhancing anterior pituitary gland and pituitary stem; (D) - coronal T2 depicts the normal hypothalamic structures.
fendo-13-889074-g002.jpg
PMC9114295_01_fendo-13-889074-g002.jpg
f2
MRI of the pituitary gland revealed loss of the posterior pituitary bright spot on T1 weighted imaging. ( Figure 2 ) Diagnosis of CDI was assumed, and she started therapy with oral desmopressin 0.06 mg twice a day.