Figures
Figure 1. Colonoscopy image showing granular cell tumor in the descending colon seen as a nodule 2 - 4 mm in greatest dimension.
Figure 2. H&E stain of the specimen showing large cells with prominent granular cytoplasm and small nucleus in the mucosa.
Figure 3. H&E stain of the specimen showing mucosa infiltrated by large cells with granular cytoplasm. No mitosis was identified.
Figure 4. Immunohistochemical stain positive for S100 protein in tumor cells.
Figure 5. Immunohistochemical stain positive for CD68 in tumor cells.
Figure 6. Immunohistochemical stain showing positive for CD56 in tumor cells.
Figure 7. Immunohistochemical stain showing positive stain for SOX-10 in tumor cells.