Concordance of cytologic and surgical specimens for ARX and PDX1 IHC, ALT status, and WHO tumor grade was 100% (Kappa = 1), 85% (Kappa = 0.70), 91% (Kappa = 0.82), and 73% (Kappa = 0.29), while the sensitivity and specificity were 100%/100%, 100%/75%, 83%/100%, and 25%/100%, respectively (Table 2). This evidence concerns the gene GPT and neoplasm.