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Brain tumour surgery can be an important part of treatment, but operating on the brain carries specific risks that patients should understand before making treatment decisions. The potential risks of brain tumor surgery in Singapore vary considerably depending on the tumour’s location, size and type, the surgical approach and the patient’s overall health.
Surgery may be recommended to remove as much of a tumour as can be safely removed, obtain tissue for diagnosis or relieve pressure caused by the tumour.
The extent of surgery depends on where the tumour is located and whether it is close to areas responsible for important functions such as movement, speech, vision or memory. In some cases, removing the entire tumour may not be considered safe, and the surgeon may remove only part of it.
The goal is generally to balance tumour removal with preservation of normal brain function.
The risks are not the same for every patient. Important factors include:
Tumours located near areas controlling movement, speech, vision or other essential functions may present different surgical challenges from tumours in less sensitive areas.
As with other major operations, brain tumour surgery can involve complications such as bleeding, infection and reactions to anaesthesia.
Brain-specific complications may include:
Not every patient experiences these complications, and some neurological changes may be temporary while others can persist.
One of the main concerns with brain tumour surgery is the possibility of affecting nearby healthy brain tissue.
Depending on the area involved, patients may experience changes in movement, sensation, speech, memory, behaviour, coordination or vision. The likelihood and severity depend largely on the tumour’s location and its relationship to important brain structures.
Some neurological symptoms may improve as swelling decreases and the brain recovers. Others may require longer-term rehabilitation or may persist.
Bleeding can occur during or after surgery. Significant bleeding may require additional treatment or, in some circumstances, another procedure.
Brain swelling is another important postoperative concern. Doctors may use medication and close monitoring to manage swelling and reduce pressure within the skull.
Seizures can also occur after brain surgery. Depending on the patient’s circumstances, anti-seizure medication may be prescribed to reduce the risk or manage seizures if they occur.
As with other surgical procedures, infection is a possible complication. The surgical wound or deeper tissues can become infected, although serious infections are uncommon.
Cerebrospinal fluid, or CSF, surrounds and protects the brain and spinal cord. A leak can occur if the normal barriers around the brain are disrupted during surgery. Persistent leakage may require additional treatment.
Patients are usually given wound-care instructions and advised to watch for signs of infection or other postoperative complications.
Some complications are uncommon but can have significant consequences. These can include stroke, severe neurological injury, coma or, rarely, death.
The risk of a serious neurological complication is influenced by the tumour’s location, its relationship to blood vessels and critical brain structures, and the complexity of the procedure.
Discussing individual risks with the neurosurgical team is therefore more informative than relying on a general complication rate.
Different surgical approaches may be appropriate depending on the tumour’s location and characteristics.
A craniotomy involves temporarily opening part of the skull to access the tumour. Other approaches may use smaller openings or access routes through areas such as the nasal passages for selected tumours.
In some cases, an awake craniotomy may be considered when a tumour is close to areas responsible for important functions. Keeping the patient awake during specific parts of the operation can allow the surgical team to assess functions such as speech or movement while working near these areas.
The most appropriate approach depends on the individual tumour and the balance between access and preservation of brain function.
Following surgery, patients are closely monitored to identify early complications and assess neurological function.
Depending on the procedure and individual condition, monitoring may take place in a recovery area, high-dependency unit or intensive care unit before the patient moves to a regular ward.
A postoperative CT or MRI may also be performed to assess the surgical site and check for issues such as bleeding, swelling or other changes.
Hospital stay varies depending on the type of operation and how the patient recovers.
Recovery from brain tumour surgery can take several weeks or longer. The timeline depends on the operation, tumour location, neurological symptoms and the patient’s overall health.
Some patients may experience tiredness, headaches or temporary changes in movement, speech or concentration during the early recovery period.
Rehabilitation may be recommended when surgery affects physical, communication or cognitive functions. This can involve physiotherapy, occupational therapy or speech and language therapy depending on the patient’s needs.
Patients should follow their neurosurgical team’s postoperative instructions and seek medical advice if concerning symptoms develop.
Urgent assessment may be needed for:
The appropriate response depends on the individual’s surgery and medical circumstances, so patients should follow the emergency instructions provided by their treating team.
Brain tumour surgery involves balancing two important goals: treating the tumour and protecting normal brain function. The safest approach depends on the tumour’s location, size and characteristics, as well as the patient’s overall health. Understanding the potential complications can help patients and their families prepare for treatment and recovery.
Brain tumour surgery is a major procedure and carries potential risks, but the level of risk varies considerably between patients. Tumour location, size, type and proximity to important brain structures all influence the potential complications.
Possible complications include bleeding, infection, brain swelling, seizures, headaches and temporary or permanent neurological changes. These may affect movement, speech, vision, balance, memory or other functions depending on the area of the brain involved.
It can, particularly when a tumour is located close to areas controlling movement. However, the risk varies between patients. Neurosurgical techniques may be used to help identify and protect important areas of brain function during surgery.
Recovery varies depending on the type of operation and the patient’s condition. Some people resume normal activities within several weeks, while others require longer recovery and rehabilitation.
In some cases, the tumour can be removed while preserving surrounding brain function. However, complete removal may not always be considered safe, particularly when a tumour is close to critical areas. The surgical plan is therefore individualised according to the tumour’s characteristics and location.
If brain tumour surgery has been recommended, discuss the expected benefits, surgical approach, potential complications and recovery timeline with your neurosurgical team. Understanding how the tumour’s location and characteristics affect individual risk can help you make informed decisions about treatment.
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