Abstract Background: Neuroendocrine neoplasms NENs represent rare malignancies in the elderly group. They comprise a heterogeneous group including neuroendocrine tumors NETs, neuroendocrine carcinomas NECs and mixed neuroendocrine non-neuroendocrine neoplasms MiNENs. Case presentation: A rare case of NET presenting as a bleeding rectal polyp. Conclusion: we aimed to summarize the diagnostic approach for such a rare entity.