Contemporaneously diagnosed lumbosacral spinal subdural hematoma and cranial subdural hematoma with cerebral contusions following isolated head trauma: a case report and review of the literature

孤立性头部外伤后同时诊断为腰骶椎硬膜下血肿和颅内硬膜下血肿伴脑挫伤：病例报告及文献复习