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目的：研究桥脑腔隙性梗死的临床和影像学特征，提高社区医生对其识别能力。方法回顾性分析初次发病24h内发病的脑梗死患者31例，在72h内完成磁共振弥散加权成像(DWI)，符合脑桥腔隙性梗死(Lacunar Pontine Infarction，LPI)诊断标准，根据发病一月时改良的Rankin残障量表(mRS)评分，分为转归不良组(mRS>2分10例,占32.26%)与转归良好组(mRS≤2分21例)。分析患者的临床表现、磁共振表现和危险因素。结果23(74.19%)例表现为不同程度偏瘫，入院时NIHSS为4.70±3.11，第3d为4.66±3.40，第7d为3.80±2.98，出院时为3.29±2.61，不同时间段NIHSS评分无明显差别(p>0.05)，6(19.35%)例有早期运动障碍加重。结论腔隙性脑桥梗死患者有部分运动进展，部分患者1个月是预后不良。“,”Objective: To describe the clinical and radiographic features,early progressive motor deficits and short-term prognosis in lacunar pontine infarctions. Methods: A consecutive series of 31 patients with acute lacunar pontine infarction, who had diffusion weighted imaging(DWI)and magnetic resonance angiography (MRA) within 72 hours of onset were enrolled in this study,analysing the clinical manifestations and MRI features. Result:23(74.19%) cases suffered from hemiplagia.Their NIHSS scores were 4.70±3.11 at admission, 4.66±3.40 at third day , 3.80±2.98 at 7, 3.29±2.61 at discharge.These NIHSS scores were no differences.(p>0.05).Part of patients(6,19.35%)suffered from systematic progression in neurological deterioration and had poor prognosis. Conclusion: The early neurological deterioration of lacunar pontine infarction was more common . Part of them have poor prognosis.