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探讨脑梗塞继发脑干出血的临床、ＣＴ、病理学特点及其发病机理。方法１０３例连续尸解脑梗塞病例中，经病理检查发现１１例继发脑干出血，分析其临床、ＣＴ及病理检查结果。结果脑梗塞继发脑干出血的临床特点是发病急、进展快、昏迷、四肢瘫、过高热及呼吸衰竭，ＣＴ一般不能发现脑干高密度病灶，病理结果均为半球大病灶脑梗塞，严重海马回疝致脑干严重受压、变形和移位，继发脑干出血以中脑为主，可累及桥脑，主要位于中线部位。结论脑梗塞继发脑干出血是由于严重脑干受压、变形导致脑干微小穿动脉、静脉及毛细血管被牵拉、破裂所致。
To investigate the clinical, CT, pathological features and pathogenesis of hemorrhage secondary to cerebral infarction. Methods A total of 103 cases of post-mortem cerebral infarction were enrolled in this study. Eleven cases of secondary brainstem hemorrhage were detected by pathology. The clinical, CT and pathological findings were analyzed. Results The clinical features of hemorrhage secondary to brain stem infarction were acute onset, rapid progression, coma, quadriplegia, hyperpyrexia and respiratory failure. CT generally failed to find high density lesions of brain stem. The pathological findings were all hemispheric lesions with severe cerebral infarction Hippocampal herniation caused severe compression of the brain stem, deformation and displacement, secondary to brain stem bleeding mainly involving the pons, mainly in the midline. Conclusion Cerebral infarction secondary to bleeding from the brainstem is due to severe brainstem compression, deformation leading to the brain stem tiny wear artery, vein and capillaries were pulled, ruptured.