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A craniotomy is the surgical removal of part of the bone from the skull to expose the brain for surgery. The surgeon uses specialized tools to remove the section of bone (thebone flap). After the brain surgery, the surgeon replaces the bone flap.
For some craniotomy procedures, doctors use computers and imaging (magnetic resonance imaging [MRI] or computerized tomography [CT] scans). Imaging scans help guide the doctor to the precise location within the brain that is to be treated. When imaging procedures are used with craniotomy, it is called stereotactic craniotomy.
Brain imaging provides a three-dimensional image of brain tissue. This helps the doctor distinguish between tumor tissue and healthy tissue. It also provides a road map to the precise location of the abnormal tissue.
Doctors may also use craniotomy to take a biopsy of the brain or remove fluid. An endoscopic craniotomy involves inserting a lighted scope with a camera into the brain through a small incision in the skull.
If a portion of the skull bone is permanently removed, it is called craniectomy. This is done if swelling is likely after brain surgery or if the skull bone flap cannot be replaced for other reasons.
Doctors may do a craniotomy for a variety of reasons, including to:
There may be other reasons for your doctor to recommend a craniotomy.
As with any surgical procedure, complications may occur. Brain surgery risk is tied to the specific location in the brain that the operation will affect. For example, if the area of the brain that controls speech is operated on, then speech may be affected. Some more general complications include:
The following additional complications are rare and generally relate to specific locations within the brain:
There may be other risks depending on your specific medical condition. Be sure to discuss any concerns with your health care provider prior to the procedure.
Check with your health care provider about what to do to prepare for the procedure. Below is a list of common steps that you may be asked to do.
A craniotomy generally requires a hospital stay of 3 to 7 days. You may also go to a rehabilitation unit for several days after your hospital stay. Procedures may vary depending on your condition and your doctor's practices.
Generally, a craniotomy follows this process:
Excess fluid will be allowed to flow out of the brain, if needed. Microsurgical instruments, such as a surgical microscope to magnify the area being treated, may be used. This gives the surgeon a better view of the brain
Immediately after the procedure, you will be taken to a recovery room for observation before being taken to the intensive care unit (ICU) to be closely monitored. Or, you may be taken directly to the ICU from the operating room.
Your recovery process will vary depending upon the type of procedure performed and the type of anesthesia given. Once your blood pressure, pulse, and breathing are stable and you are alert, you may be taken to the ICU or your hospital room.
After staying in the ICU, you will move to a room in the hospital. You will remain in the hospital for several more days.
You may need oxygen for a period after surgery. Generally, the oxygen will be discontinued before you go home.
You will be taught deep-breathing exercises to help re-expand the lungs and prevent pneumonia.
Frequent neurological checks will be done to test your brain function and to make sure your body systems are working properly after surgery. To check your brain function, you will be asked to follow a variety of basic commands, such as moving your arms and legs. Your pupils will be checked with a flash light, and you will be asked questions to assess your awareness (such as your name, the date, and where you are). The strength of your arms and legs will also be tested.
The head of your bed may be elevated to prevent swelling of your face and head. Some swelling is normal.
You will be encouraged to move around as you are able while in bed. As your strength improves, you will have help to get out of bed and walk around. A physical therapist (PT) may evaluate your strength, balance, and mobility, and give you suggestions for exercises to do both in the hospital and at home.
You will likely have sequential compression devices (SCDs) placed on your legs while you are in bed to prevent blood clots. SCDs have an air compressor that slowly pumps air into and out of fitted sleeves that are placed on the legs. They help prevent blood clots by passively compressing the leg veins to keep blood moving.
Depending on your situation, you may be given liquids to drink a few hours after surgery. Your diet may be gradually changed to include more solid foods as tolerated.
You may have a catheter in your bladder to drain your urine for a day or so, or until you are able to get out of bed and move around. Be sure to report any painful urination or other urinary symptoms that occur after the catheter is removed, as these may be signs of an infection that can be treated.
Depending on your status, you may be transferred to a rehabilitation facility for a period to regain your strength.
Before you are discharged from the hospital, arrangements will be made for a follow-up visit with your doctor. Your health care provider will also give you instructions for home care.
Once you are home, it is important to keep the incision clean and dry. Your doctor will give you specific bathing
You may choose to wear a loose turban or hat over the incision. Do not wear a wig until the incision is completely healed (about 3 to 4 weeks after surgery).
The incision and head may ache, especially with deep breathing, coughing, and exertion. Take a pain reliever for soreness as recommended by your health care provider. Aspirin or other blood thinning medications may increase the chance of bleeding. Be sure to take only recommended medications and ask if you are unsure.
You should continue the breathing exercises used in the hospital to prevent lung infection. You will be advised to avoid exposure to upper respiratory infections (colds and flu) and irritants, such as tobacco smoke, fumes, and environmental pollution.
You should gradually increase your physical activity as tolerated. It may take several weeks to return to your previous level of energy and strength.
You may be instructed to avoid lifting heavy items for several weeks in order to prevent strain on your surgical incision.
Do not drive until your doctor gives you permission.
Notify your doctor to report any of the following:
Following a craniotomy, your health care provider may give you other specific instructions about what you should do after a craniotomy.
Before you agree to the test or the procedure, make sure you know:
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