Case Report
Copyright ©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Feb 16, 2024; 12(5): 1025-1028
Published online Feb 16, 2024. doi: 10.12998/wjcc.v12.i5.1025
Hematuria after nocturnal exercise of a man: A case report
Ming-Jian Bai, Song-Tao Yang, Xue-Kai Liu
Ming-Jian Bai, Xue-Kai Liu, Department of Clinical Laboratory, Aerospace Center Hospital, Beijing 100049, China
Song-Tao Yang, Department of Nephrology, Aerospace Center Hospital, Beijing 100049, China
Author contributions: Bai MJ wrote the manuscript; Yang ST was responsible for receiving patients; Liu XK was responsible for laboratory tests related to patients.
Informed consent statement: Informed written consent was obtained from the patient for publication.
Conflict-of-interest statement: All the authors declare that they have no conflict of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (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:
Corresponding author: Xue-Kai Liu, MD, Doctor, Department of Clinical Laboratory, Aerospace Center Hospital, No. 15 Yuquan Road, Haidian District, Beijing 100049, China.
Received: December 10, 2023
Peer-review started: December 10, 2023
First decision: December 18, 2023
Revised: December 28, 2023
Accepted: January 22, 2024
Article in press: January 22, 2024
Published online: February 16, 2024
Core Tip

Core Tip: If patients take a lot of healthcare products containing calcium phosphate, amorphous phosphate crystals may appear in urine. Once they do exercise, they may scratch the urethra and cause hematuria.