Patient: Description of condition (onset time, main symptoms, hospital visited, etc.): Hello Dr. Yuan, my father had a craniotomy for a traumatic brain injury caused by a car accident. The patient is now hospitalized for observation and has been off fluids (glycerol fructose injection, injectable vincristine) for 6 days, and after a few days of being off fluids, he felt a headache and could not sleep. On the 53rd day, a CT was taken, and the CT report showed that the left temporoparietal bone was discontinuous and dense, the left parietal bone was slightly dense, the left temporoparietal lobe was irregularly patchy and slightly hypointense, the ventricular system was normal, the sulcus fissure was not changed, and the midline structure was centered. After the CT, the doctor gave a three-day infusion of glycerol fructose injection and injectable vincristine, and now he stopped the infusion again, saying that he should be observed again or discharged from the hospital. After the craniotomy, I can now walk, but I can’t walk steadily, I speak very slowly, I can’t think of any words, I have a poor spirit, and I love to sweat in my upper body. What are the problems from the CT, what other medications are needed, and can the patient be discharged now? Compared with the CT of 15 days ago, the last one shows a more obvious black shadow in the middle, what caused this? Beijing Tiantan Hospital Neurosurgery Department: It is a normal evolution after traumatic brain injury, there is no special problem, take your time to recover. The more obvious black shadow in the middle of the last one is the temporal horn of the ventricle. You do not need to know. Patient: Thank you. My father started to have headache, sweating above the chest and chest tightness in the afternoon of the day after he stopped taking his medication. It lasted for over an hour. The pain only occurred at night and for a short period of time during the infusion (glycerol fructose injection, vincristine for injection). Do I have to keep getting fluids? The attending doctor said that I have cerebrospinal fluid due to a ruptured subarachnoid space, and that I need to be reviewed regularly, and that I need to have drainage surgery if the situation is bad. Is there any medication that can promote the absorption of cerebrospinal fluid? What should I do to control it? Beijing Tiantan Hospital Neurosurgery Department: As long as the laboratory tests are not abnormal, it will slowly get better. Patient: Thank you, Dr. Yuan. The swelling on the side of my father’s head from the temple to the incision behind the ear is always swollen, but the swelling elsewhere has subsided, but the swelling on that side of his head won’t go away, and the swelling gets higher after the fluid is stopped. I don’t know what’s going on. Beijing Tiantan Hospital Neurosurgery Department: It is slow, as long as it does not aggravate, patience and wait slowly to get better.