Objective To explore the correlation between traumatic delayed intracranial hematom(TDIH) and cranial CT manifestation in first diagnosis and to predict the high risk phase of TDIH.

• 目的探讨外伤性迟发性颅内血肿(TDIH)与伤后首诊颅脑CT表现之间的相关关系及发生TDIH的高危阶段。