Conclusions The high density shape that was distributed in sulcus and cistern, tentorium of cerebellum, straight sinus and sagittal sinus is important for diagnosing SAH in neonates.

• 结论分布在脑沟脑池、小脑幕、直窦、矢状窦旁密度增高影是诊断新生儿蛛网膜下腔出血的重要征象。