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Revista de Gastroenterología del Perú

versão impressa ISSN 1022-5129

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GONZALES YOVERA, Jhean Gabriel; VARGAS MARCACUZCO, Henry Tomas; SANTOS JULIAN, Rocío Elizabeth  e  ARENAS GAMIO, José Luis. Colorectal synchronism: ascending colon adenocarcinoma and small-cell neuroendocrine carcinoma of the rectum. Rev. gastroenterol. Perú [online]. 2020, vol.40, n.4, pp.361-365. ISSN 1022-5129.  http://dx.doi.org/10.47892/rgp.2020.404.1177.

Colorectal cancer (CRC) is the third most frequent cancer in the world and the second cause of death of neoplastic origin. Synchronism in CCR is approximately 3-6%. The gastrointestinal tract is the most frequent place where neuroendocrine neoplasms (NNE) settle and a special type of these neuroendocrine carcinomas (CNE) are rare. Treatment is challenging, due to the aggressiveness of the malignancy and the lack of well-established protocols. Therefore a multidisciplinary approach is needed, however, in most cases the result is not the best. We present the case of an 83-year-old man who has an emergency with a 3-month history of diarrhea, perianal pain, weight loss, and hematochezia. The endoscopic study shows evidence of two malignancies and the histological study confirms the presence of CNE in small cells at the rectum and adenocarcinoma in the ascending colon. He underwent systematic chemotherapy, however, he evolved unfavorably, dying after 3 weeks.

Palavras-chave : Carcinoma, neuroendocrine; Adenocarcinoma; Colon.

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