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Multiple rectal carcinoid tumors in monozygotic twins

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Abstract

We report multiple rectal carcinoid tumors in monozygotic twins who, respectively, had 42 and 36 carcinoid tumors in the lower rectum. This is the first report about carcinoid tumors in monozygotic twins. Both twins developed a similar number of rectal carcinoids with a similar distribution. Investigation of their genetic background may provide information about the origin of these tumors.

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Correspondence to Momoko Doi.

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Momoko Doi, Osamu Ikawa, Hiroki Taniguchi, Takuji Kawamura and Kanade Katsura declare that they have no conflict of interest.

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All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.

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Informed consent was obtained from all patients for being included in the study.

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Doi, M., Ikawa, O., Taniguchi, H. et al. Multiple rectal carcinoid tumors in monozygotic twins. Clin J Gastroenterol 9, 215–221 (2016). https://doi.org/10.1007/s12328-016-0662-7

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  • DOI: https://doi.org/10.1007/s12328-016-0662-7

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