Melanotic Xp11-associated tumor of the sigmoid colon: A case report
Gang Wang, the Graduate School of Qinghai University, Xining 810016, Qinghai Province, China
Gang-Gang Li, Sheng-Mao Zhu, Bao-Jia Cai, Peng-Jie Yu, Cheng-Wu Zhang, Department of Gastrointestinal Surgery, Affiliated Hospital of Qinghai University, Xining 810000, Qinghai Province, China
Author contributions: Li GG and Zhu SM designed the study; Zhang CW, Cai BJ, and Yu PJ performed the operation; Wang G wrote the paper; all authors read and approved the final manuscript.
Supported by The Key Research & Development and Transformation Project of Qinghai Province for 2018 (No. 2018-SF-113).
Informed consent statement: Informed consent was obtained from the patient for this publication.
Conflict-of-interest statement: The authors declare that they have no competing interests.
CARE Checklist (2016) statement: The guidelines of the “CARE Checklist - 2016: Information for writing a case report” have been adopted.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Cheng-Wu Zhang, MD, Chief Doctor, Professor, Department of Gastrointestinal Surgery, Affiliated Hospital of Qinghai University, No. 29, Tongren Road, Xining 810000, Qinghai Province, China. firstname.lastname@example.org
Received: November 16, 2018
Peer-review started: November 16, 2018
First decision: December 9, 2018
Revised: December 30, 2018
Accepted: January 30, 2019
Article in press: January 30, 2019
Published online: March 6, 2019