Grading of Neuroendocrine Carcinomas: Correlation of ⁶⁸Ga-PET/CT Scan with Tissue Biomarkers

Figure 1

NEC tissue immunostained for ATRX, DAXX, and RB1. Patient 1 showed positive immunostaining of all 3 markers. Patient 2 showed positive expression of DAXX and RB1 and loss of ATRX expression. Patient 3 showed positive expression of ATRX and DAXX and loss of RB1 expression. Magnification ×10.