Abstract
Burr hole irrigation and drainage is effective in most cases of chronic subdural hematoma(CSDH). However, we sometimes encounter refractory cases that need further procedures or other interventions. Here we report a case with a disturbance of consciousness and left hemiparesis. CT of the head showed a right CSDH, which recurred three times in spite of repeated burr-hole irrigation surgeries. We performed a mini-craniotomy and evacuation of the hematoma under the exoscope to remove the hematoma effectively. The post-operative course was uneventful and no recurrence was found at the last follow up. A mini-craniotomy with an exoscope might be a useful option for treating cases of refractory CSDH.
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