AUTHOR=Zhu Haifeng , Deng Zixuan , Xie Yongqi , Qian Guifeng , Wang Danyu , Xie Shaodong , Zhang Yunyi , Yan Peichun TITLE=Ultrasound-guided platelet-rich plasma injection for traumatic painful neuroma of brachial plexus: a case report and literature review JOURNAL=Frontiers in Neurology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1546773 DOI=10.3389/fneur.2025.1546773 ISSN=1664-2295