COLON: NEUROENDOCRINE NEOPLASIA WELL DIFFERENTIATED

CHROMOGRANIN  POSITIVE.: This picture belongs to the above case. , I want remark that  synaptophisin was negative in this case.

This case was easier, but very nice because , as you can see, there is an adenoma over the monotonous cells.

 Beautiful nests of monotonous cells with pink granular cytoplasm and round-oval nuclei, small nucleoli, minimal pleomorphism,