Figure 3
From: Multiple peripheral typical carcinoid tumors of the lung: associated with sclerosing hemangiomas
Postoperative microscopical findings of lesion in the carcinoid portion. (A) The tumor showed trabecular arrangement. (B) The tumor composed of monotonous small ovoid to spindle cells with “salt-and pepper” chromatin pattern without mitosis. The tumor cells were positive for CD56 (C), synaptophysin (D), chromogranin (E), but negative for TTF-1 (F). (A. Original magnification of H&E staining at 20 X; B. Original magnification of H&E staining at 400 X; C-F. Original magnification of immunohistochemical staining at 200 X).