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Table 4: 
Interrater reliability between 2 raters
MR Imaging Findingκ
Pituitary height0.8326
Stalk thickness0.9136
Homogeneity of enhancement1
Hypoenhancing lesion0.6429a
Shape0.8535
Signal intensity in T2WI0.8077
Location (AP)1
Location (RL)0.8462
Pattern of enhancement1
  • Note:—AP indicates anterior-posterior; RL, right-left.
  • ↵a The difference in judgment between the 2 raters was observed only in 1 case (rater 1, 19/20 versus rater 2, 18/20); this was subsequently arbitrated by a third radiologist as positive for a hypoenhancing lesion.