CARCINOID – SMALL INTESTINE CARCINOID – SMALL INTESTINE Carcinoid: Mucosa shows benign mucosal glands (right upper). Submucosa shows circumscribed tumor with monotonous tumor cells arranged in ribbons (H&E,X50) Carcinoid: Mucosa shows benign mucosal glands (left upper).Submucosa shows circumscribed lesion with monotonous cells arranged in ribbons (H&E,X100) Carcinoid: Tumor cell arranged in ribbons and cells have small round to oval hyperchromatic nuclei with scant cytoplasm (H&E,X400) Carcinoid: Tumor cell arranged in ribbons and cells have small round to oval hyperchromatic nuclei with scant cytoplasm (H&E,X100) Carcinoid: Tumor cell arranged in ribbons and cells have small round to oval hyperchromatic nuclei with scant cytoplasm (H&E,X400) Carcinoid: Monotonous tumor cells arranged in lobules and in the lobules, cells are arranged in acinar pattern (H&E,X50) Carcinoid: Monotonous tumor cells arranged in lobules and in the lobules, cells are arranged in acinar pattern (H&E,X100) Carcinoid: Monotonous tumor cells are arranged in acinar pattern (H&E,X400) Carcinoid: Monotonous tumor cells with interstitial stroma showing hyalinization (H&E,X100) Carcinoid:Monotonous tumor cells having round nuclei arranged in nesting pattern (organoid pattern) (H&E,X400) Carcinoid:Monotonous tumor cells having round nuclei arranged in nesting pattern (H&E,X400) Carcinoid: Lymphnode showing peripheral lymphocytes (left upper)and tumor deposit showing tumor cells arranged in acinar pattern (H&E,X100) Carcinoid: Tumor cells showing Chromogranin A positivity (H&E,X400) Carcinoid: Tumor cells showing Chromogranin A positivity (H&E,X400) Carcinoid: Tumor cells showing Chromogranin A positivity (left upper). Mucosa shows benign mucosal glands (right lower) (H&E,X100) Carcinoid: Tumor cells showing Chromogranin A positivity (H&E,X400)