PMC5201459_01
Sagittal T1 MRI of Brain. The pituitary is relatively small for the patient's age, measuring less than 4-mm in craniocaudal dimension. The infundibulum is present. There is no definite T1 hyperintense posterior pituitary. There is no sellar or suprasellar mass. The optic chiasm is unremarkable.
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F1
Cranial MRI revealed a pituitary gland of smaller size (4 mm in height) than the reference population, and loss of the physiologic posterior pituitary bright spot (Figure 1).