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Figure 4 | World Journal of Surgical Oncology

Figure 4

From: Application of light microscopical and ultrastructural immunohistochemistry in the study of goblet cell carcinoid in the appendix

Figure 4

a. PAS-positive mucous cells (pink, star), and brown chromogranin A-positive endocrine cells (arrow) in the normal appendiceal mucosa, b. PAS-positive mucin-secreting cells (pink, star), surrounded by brown chromogranin A-positive endocrine cells (arrow) in a tumour gland in the submucosa, c. Alciane blue-positive mucous cells (blue, star) and brown chromogranin A-positive endocrine cells (arrow) in the normal appendiceal mucosa, d. Alciane blue-positive mucin-secreting cells (blue, star), and brown chromogranin A-positive endocrine cells (arrow) in a tumour gland. (A combined histochemical and immunohistochemical staining). Magnifications a, b, c d × 300.

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