Table 3.

Scores to distinguish autoimmune hypophysitis from nonsecreting PitNET/pituitary adenoma

Age (year) ≤ 30	− 1
Relation to pregnancy: yes	− 4
Pituitary volume (cm3) ≥ 6	+ 2
Gd enhancement type: medium or high	− 1
Gd enhancement features: Heterogeneous	+ 1
Asymmetric	+ 3
Posterior pituitary bright spot: lost	− 2
Stalk size: enlarged	− 5
Mucosal thickening: present	+ 2

Among the nine items, a total score of less than 1 indicates pituitary inflammation and 1 or more indicates PitNET/pituitary adenoma (sensitivity 92%; specificity 99%)

PitNET: pituitary neuroendocrine tumor; Gd: gadolinium

Reproduced from [82] in part with permission from American Society of Neuroradiology