Figure 5From: Application of light microscopical and ultrastructural immunohistochemistry in the study of goblet cell carcinoid in the appendixa. Two chromogranin A-positive endocrine cells (EC) in a tumour gland with discoid and pleomorphic granules, located basally to mucus-secreting cells (M), b. Single chromogranin A-positive endocrine cell (EC), infiltrating the submucosa. Magnifications a × 7000, b × 7 000.Back to article page