A case of cerebellar infarction that was initially diagnosed as a concussion resulting from a fall due to the vagal reflex

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  • 当初迷走神経反射による転倒で脳振盪と診断したが小脳梗塞であった1例

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Abstract

<p>The patient was a 79-year-old man who staggered, fell, and bruised his head when he attempted to get up after defecation in the bathroom. He managed to contact his family, who rushed in and requested for an ambulance. At the time of admission, he was conscious and had no obvious signs of cranial nerve injury, but had a subcutaneous hematoma on his head and persistent dizziness, nausea, and headache. His head CT showed no obvious abnormalities, and it was judged that his head bruise resulted from a fall due to the vagal reflex, leading to a concussion. The following day, the dizziness, nausea, and vomiting continued, and he was transported by emergency. His head CT showed a left cerebellar infarction, and a head MRI was performed. A diagnosis of cerebellar infarction in the region of the left posterior inferior cerebellar artery was judged; he admitted to be the hospital, and treatment was started. Infarction in the posterior inferior cerebellar artery region may be difficult to diagnose because the main symptom are dizziness, nausea and vomiting, while other symptoms are scarce. Distinguishing between cerebellar infarction and concussion is important because of their similar symptoms.</p>

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