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Atypical endoscopic features can be associated with metastasis in rectal carcinoid tumors

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Abstract

Background

Endoscopically, rectal carcinoids have a variety of sizes and features which may assist in determining treatment plans. The present study was performed to assess the relationship between endoscopic features and metastasis in rectal carcinoids.

Methods

A total of 115 rectal carcinoids of 112 patients with rectal carcinoids were enrolled, and the medical records were retrospectively reviewed. All tumors were classified according to size (longest diameter), and then according to endoscopic features such as shape, color, and surface changes including depressions, erosion, and ulceration. The relationship between endoscopic features and metastasis was evaluated.

Results

11 cases (9.6%) of the 115 rectal carcinoids presented with metastatic disease. Tumor size was associated with metastasis (p < 0.001). Endoscopic features associated with metastasis were tumor shape, surface change, and color (p < 0.001). Atypical endoscopic features occurred more frequently as the size of the tumor increased (p < 0.001). For tumors 10–19 mm in diameter, atypical surface change was associated with metastasis (p = 0.007).

Conclusions

Endoscopic features were found to be associated with metastasis in rectal carcinoids. In particular, atypical surface change may be useful in determining treatment plans for tumors 10–19 mm in diameter.

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Acknowledgements

This work was supported in part by the National Cancer Center Grant (NCC-0710362).

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Author notes

  1. Jae-Gahb Park

    Present address: Department of Surgery, Seoul National University College of Medicine, Seoul, Korea

Authors and Affiliations

  1. Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center, 809 Madu-dong, Ilsan-gu, Goyang, Gyeonggi, 411-769, Korea

    Byung Nyun Kim, Dae Kyung Sohn, Chang Won Hong, Kyung Su Han, Hee Jin Chang, Kyung Hae Jung, Seok-Byung Lim, Hyo Seong Choi, Seung-Yong Jeong & Jae-Gahb Park

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  1. Byung Nyun Kim
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  2. Dae Kyung Sohn
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Correspondence to Dae Kyung Sohn.

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Kim, B.N., Sohn, D.K., Hong, C.W. et al. Atypical endoscopic features can be associated with metastasis in rectal carcinoid tumors. Surg Endosc 22, 1992–1996 (2008). https://doi.org/10.1007/s00464-008-0006-x

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  • DOI: https://doi.org/10.1007/s00464-008-0006-x

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