Carotid atherosclerosis is one of the substantially important risk factors, and head MRI is helpful to the clinical location and treatment of corpus callosal infarction.

• 结论胼胝体梗死因其累及部位不同临床表现不同,其中颈动脉斑块为胼胝体梗死不容忽视的重要高危因素,头颅MRI对胼胝体梗死及累及部位的定位诊断有指导作用。