APUD cells are seen in: (A) Bronchial adenoma, (B) Bronchial carcinoid, (C) Hepatic adenoma, (D) Villous adenoma
Answer is B. Anime Precursor Uptake and Decarboxylation(APUD) cells are also known as neuroendocrine cells.These cells are the cell of origin of the carcinoid tumor Ref Robbing 9/e p719