• Kui Chen, Hugo Andrade-Barazarte, Wenjia Liang, Qingyun Zhu, Haixing Guo, Yanxin Li, Haichun Li, and Rongjun Qian.
• People's Hospital of Henan University, Henan Provincial People's Hospital, Zhengzhou, Henan Province, China.
• Medicine (Baltimore). 2022 Dec 30; 101 (52): e32477e32477.

BackgroundTraumatic brain injury (TBI) as a pathogenetic factor in glioma remains controversial, and currently there is still no clear mechanism behind post-TBI glioma. Thus, we provide two case reports of post-TBI glioma contributing power to this research, and we provide a summary of the mechanisms of post-TBI glioma through literature review.MethodsWe report two cases of brain gliomas that developed in the scar of a previous brain trauma. Both patients were male and both had suffered prior traumatic brain injuries (time interval 10-20 years), and postoperative pathological findings reported glioblastoma and WHO grade III glioma, respectively.ResultsThese two cases further support the association of between traumatic brain injury and gliomas development.ConclusionAlthough the epidemiological investigation between TBI and glioma is still controversial, there are still some important aspects here that can determine the possibility between TBI and gliomagenesis. Besides, we found that the reparative response of neural stem cells and the dysregulation of inflammatory cells are timportant theories of the mechanism of post-TBI glioma.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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