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