A little numbness of the left foot may be caused by the lesion of the right side of the brain, such as the right side of the cavernous cerebral infarction or a small amount of cerebral hemorrhage can be caused, and it may also be caused by lumbar spine lesions.
1. Cavernous cerebral infarction: the diameter of the infarct is 0.2 to 15 millimeters, and the common causes are hypertension and diabetes mellitus. The symptoms of patients are mostly focal, including limb sensation, motor dysfunction, language dysfunction, etc. Some patients do not have any clinical symptoms and physical symptoms. Some patients do not have any clinical symptoms and signs, and the lesion can be detected by brain CT or brain MRI. Secondary preventive treatment is the mainstay.
2. Small amount of cerebral hemorrhage: patients usually have mild symptoms, headache, or limb weakness and abnormal sensation. Common causes include hypertension, cerebral aneurysm, arteriovenous malformation, and high-density foci can be found in brain CT examination. Conservative treatments are mainly used, including nutritive neurological and symptomatic supportive treatments.
3. Lumbar spine lesions: including lumbar disc herniation, lumbar vertebral body slippage, lumbar vertebral osteophytes and so on. Lumbar spine nuclear magnetic examination can be clearly diagnosed. Patients may have lumbar pain at the same time, and some of them may have leg pain, which can be clearly diagnosed by lumbar spine MRI.
When the above symptoms occur, it is recommended to consult a doctor in time to clarify the cause and then treat under the doctor’s guidance.