PMC9878896_01
Well-circumscribed proliferation of solid nests and acini of monomorphic cells (H&E, 40*)
cjim-14-147-g001.jpg
PMC9878896_01_cjim-14-147-g001.jpg
F1
Morphologic and immunohistochemical (IHC) findings confirmed the diagnosis of a carcinoid tumor (figures 1-2).
Positive immunohistochemical markers A) Ck, B) Chromogranin, C) Synaptophysin
cjim-14-147-g002.jpg
PMC9878896_01_cjim-14-147-g002.jpg
F2
Morphologic and immunohistochemical (IHC) findings confirmed the diagnosis of a carcinoid tumor (figures 1-2).