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Figure 3: (a) IHC stains with keratin (AE1/AE3) highlights the morules (center) brightly as compared to the surrounding tumor (DAB; ×200). (b) IHC stains with chromogranin A highlights weaker cytoplasmic granular staining of morules as compared to the rest of the tumor (DAB; ×200). (c) IHC stains showing positivity of tumor cells for N-CAM (DAB; ×200)

Figure 3: (a) IHC stains with keratin (AE1/AE3) highlights the morules (center) brightly as compared to the surrounding tumor (DAB; ×200). (b) IHC stains with chromogranin A highlights weaker cytoplasmic granular staining of morules as compared to the rest of the tumor (DAB; ×200). (c) IHC stains showing positivity of tumor cells for N-CAM (DAB; ×200)