Fig. 3From: TERT promoter mutations are a rare event in gastrointestinal stromal tumorsImmunohistochemistry for ATRX and DAXX. a, b In case #50, negative nuclear staining for ATRX (a) despite strong nuclear expression for DAXX b. c, d In case #86, only ATRX expression is observed (c). DAXX expression is lost (d). Positive staining of vascular endothelial cells are shown in the insets of a and d Back to article page