Dr. Miver Erem Tokuş
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Brain Surgery
Resection of glioma
What resection of glioma involves, how neurosurgeons balance maximal tumour removal with brain function preservation, and what clinical evidence shows for low-grade and high-grade tumours. Explore surgical methods including awake craniotomy and intraoperative neuronavigation, approximate costs across Turkey, the UK, the US and Germany, post-operative recovery milestones, potential neurological risks, and how to verify specialised neurosurgical centres.
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Resection of glioma in Turkey: what it is and surgical goals
Resection of glioma is a neurosurgical operation to remove a primary brain tumour arising from glial support cells in the central nervous system. Gliomas—including astrocytomas, oligodendrogliomas and glioblastomas—develop within brain tissue rather than on its outer membranes. The core principle of surgery is maximal safe resection: removing as much pathological tumour volume as possible while preserving vital neurological functions such as speech, motor control, vision and cognition. Hospitals in Turkey perform these operations using high-definition surgical microscopes, intraoperative image guidance and continuous neurological monitoring.
Surgery achieves two therapeutic goals: rapid cytoreduction to relieve intracranial pressure, and obtaining tissue samples for histopathological and molecular profiling (such as IDH and 1p/19q testing) to guide subsequent oncology care. For an overview of cranial and spinal procedures, explore our guide to neurosurgery treatments in Turkey.
How does a neurosurgeon perform glioma resection?
The procedure is performed through a tailored craniotomy—a surgical opening in the skull planned around the tumour's exact coordinates. Before surgery, high-resolution MRI scans, often combined with functional MRI or tractography, map the tumour boundaries relative to critical white matter pathways. In theatre, these scans feed into a frameless neuronavigation system that tracks surgical instruments with millimetre precision.
After lifting a small bone flap and opening the dura mater, the neurosurgeon exposes the cerebral cortex. Using an operating microscope and micro-instruments, the surgeon separates tumour tissue from healthy brain parenchyma. An ultrasonic surgical aspirator (CUSA) is commonly used to gently emulsify and suction tumour tissue while sparing resilient blood vessels. Fluorescent guidance, using oral 5-aminolevulinic acid (5-ALA), causes malignant glioma cells to glow pink under blue light, helping to identify infiltrating tumour margins. Once resection is complete, bleeding is controlled, the dura is sutured watertight, the bone flap is fixed with titanium plates, and the scalp is closed.
Does glioma resection improve survival: what the evidence shows
Clinical studies and guidelines from authorities such as the European Association of Neuro-Oncology (EANO) and the American Association of Neurological Surgeons (AANS) confirm that the extent of resection directly influences outcomes. Achieving a greater percentage of tumour removal—especially gross total resection of the contrast-enhancing volume—is strongly associated with longer progression-free and overall survival in both low-grade and high-grade gliomas.
However, evidence also underscores the biological nature of glial tumours. Because glioma cells infiltrate surrounding brain tissue beyond radiologically visible borders, surgery alone is rarely curative for high-grade tumours like glioblastoma. Resection serves as the foundational first step of a multimodal treatment plan, typically followed by radiotherapy and chemotherapy (temozolomide). Furthermore, clinical evidence confirms that preserving functional neurological independence is just as vital as tumour removal, as permanent deficits reduce quality of life and limit a patient's eligibility for subsequent therapies.
Resection of glioma cost in Turkey compared with the UK, US and Germany
Neurosurgical costs depend on tumour complexity, surgical duration, intensive care days and pathology requirements. The figures below reflect broad international price ranges rather than specific clinic quotes.
| Country | Approximate cost range |
|---|---|
| Turkey | €9,000 – €22,000 |
| United Kingdom | €22,000 – €55,000 |
| United States | €50,000 – €140,000 |
| Germany | €20,000 – €48,000 |
Several factors determine the final resection of glioma cost. Lesions located near speech or motor centres require intraoperative neurophysiological monitoring or awake mapping, which increases operating room time and staffing. The overall resection of glioma price is also shaped by time spent in the neuro-intensive care unit (neuro-ICU) and advanced molecular diagnostics. Hospital packages in Turkey usually cover pre-operative imaging, craniotomy surgery, surgeon and anaesthetist fees, one to two nights in intensive care, ward stay, standard pathology, routine medications and airport transfers. Patients reviewing resection of glioma Turkey packages can explore how it works and request an itemised plan through a free quote.
Gross total resection, subtotal debulking or biopsy: comparing surgical approaches
Depending on tumour location, depth and proximity to functional brain areas, neurosurgeons choose between three surgical strategies to balance cytoreduction with safety.
| Method | Best suited to | Typical limits |
|---|---|---|
| Gross total resection | Tumours in non-eloquent or accessible brain regions where complete visible removal is safe | Cannot be performed if tumour invades vital speech or motor centres; microscopic cells always remain in brain parenchyma |
| Subtotal resection (debulking) | Large tumours infiltrating or directly adjacent to critical functional brain pathways | Leaves residual visible tumour to preserve neurological function; requires prompt post-operative adjuvant therapies |
| Stereotactic needle biopsy | Deep-seated, multi-focal, or surgically inaccessible brain lesions where open craniotomy carries excessive risk | Provides diagnostic tissue for pathology only; does not reduce tumour mass or intracranial pressure |
The approach depends entirely on tumour anatomy. Unlike skull-base or pituitary tumours that can be approached endoscopically through the nose (see our guide to transnasal resection of tumor), gliomas develop within the brain lobes and require an open craniotomy for surgical cytoreduction.
Who is an appropriate candidate for surgical resection?
Good candidates are individuals with a radiologically confirmed intra-axial tumour that can be surgically approached without causing severe neurological disability. Patients should have an adequate performance status (such as a high Karnofsky Performance Scale score) and sufficient general medical health to undergo general anaesthesia and several hours of cranial surgery.
Conversely, surgery is not appropriate when tumours are situated in vital inoperable regions such as the brainstem or primary motor pathways, where excision would cause immediate paralysis or coma. Patients with diffuse bi-hemispheric tumour spread (gliomatosis cerebri), severe cardiac or pulmonary illness, or active systemic infections are usually better suited to stereotactic biopsy and non-surgical neuro-oncology treatment.
Resection of glioma recovery: hospital stay, rehabilitation and travel milestones
Following surgery, patients spend 24 to 48 hours in a dedicated neuro-ICU for close neurological monitoring, followed by three to five days on a neurosurgical ward. Physiotherapy and speech therapists begin early rehabilitation, encouraging gentle walking within 24 to 48 hours. Mild headaches, scalp tightness and fatigue are common and managed with analgesics and anti-inflammatory medications. Dexamethasone is prescribed to control brain swelling, alongside anti-epileptic drugs to prevent seizures.
For international patients, the typical trip to Turkey lasts 10 to 14 days. This allows the surgical team to monitor wound healing, remove sutures around day seven to ten, perform a post-operative MRI, review pathology results and provide medical clearance to fly. At home, patients continue their resection of glioma recovery for several weeks before starting any recommended radiotherapy or chemotherapy, gradually regaining strength and resuming daily routines over six to twelve weeks.
Glioma surgery before and after: what follow-up imaging reveals
In neurosurgery, before-and-after results refer to radiological comparisons rather than cosmetic changes. A diagnostic MRI before surgery establishes the tumour's baseline size and location. An early post-operative MRI with contrast is performed within 48 to 72 hours after surgery. This window is essential because it captures the true extent of resection before natural surgical inflammation begins to enhance on scans and mimic residual disease.
Post-operative imaging demonstrates the reduction in tumour volume, decompression of brain tissue and relief of midline shift. However, MRI cannot reveal isolated microscopic tumour cells infiltrating surrounding white matter. Within one to two weeks, a comprehensive molecular pathology report classifies the tumour grade and genetic markers, providing the necessary roadmap for post-operative oncology care.
Risks and potential complications of glioma resection
Cranial surgery carries inherent risks. Guidelines from the National Health Service (NHS) and the Society of British Neurological Surgeons (SBNS) highlight several key considerations:
- Neurological deficits: Operating near functional pathways can cause weakness, sensory changes, visual field disturbance or speech difficulties. These may be temporary as swelling resolves, but can occasionally be permanent.
- Post-operative seizures: Cortex manipulation can trigger seizures; anti-epileptic medication is administered routinely to reduce this risk.
- Bleeding and swelling: Haemorrhage within the tumour bed or reactive brain swelling (cerebral oedema) may require medical management or surgical evacuation.
- Infection and CSF leaks: Wound infection, meningitis or cerebrospinal fluid leakage through the incision can occur and require antibiotic or surgical treatment.
- General surgical risks: Deep vein thrombosis (DVT), pulmonary embolism and anaesthetic complications can arise during complex cranial procedures.
How to choose a neurosurgical centre and questions to ask
Neurosurgery should only be undertaken in licensed tertiary hospitals equipped with 24-hour neuro-ICUs, modern neuronavigation suites, 3-Tesla MRI machines and dedicated neuro-anaesthetists. Accreditation from bodies like Joint Commission International (JCI) confirms adherence to international clinical protocols. Verify that cases are evaluated by a multidisciplinary neuro-oncology board including neurosurgeons, oncologists, radiologists and neuropathologists.
Red flags include facilities without on-site intensive care, operations conducted without intraoperative monitoring, promises of a guaranteed cure for malignant tumours, or pressure to pay deposits before imaging has been reviewed by a neurosurgeon. Learn more about how it works, explore verified providers in our neurosurgery treatments in Turkey guide, or request a review via our free quote service.
Key questions to ask during your consultation:
- What is the expected extent of resection based on my pre-operative MRI?
- Do you recommend an awake craniotomy or general anaesthesia with neurophysiological monitoring?
- What intraoperative technologies (neuronavigation, 5-ALA, CUSA) will be used during surgery?
- What specific neurological risks exist given the anatomical location of my tumour?
- How many days will I spend in the neuro-ICU and on the hospital ward?
- When will the final molecular pathology report be available for my oncology team?
Conditions treated with Resection of Glioma
Hospitals with Neurosurgery in Turkey
Frequently asked questions
Resection of glioma is a surgical craniotomy to remove a primary glial brain tumour. Neurosurgeons use micro-instruments, high-definition magnification and real-time navigation to remove as much abnormal tumour volume as safely possible while protecting surrounding healthy brain areas responsible for essential functions like speech, vision and movement.
Surgery alone rarely cures diffuse or high-grade gliomas because microscopic tumour cells extend beyond visible margins into normal brain parenchyma. However, maximal safe resection significantly reduces intracranial pressure, improves survival outcomes and provides tumour tissue for molecular testing to guide post-operative radiotherapy and chemotherapy.
Gross total resection aims to remove all radiologically visible tumour on contrast-enhanced MRI scans, offering the greatest survival advantage. Subtotal resection, or debulking, intentionally leaves residual tumour tissue when the growth directly borders or infiltrates critical brain pathways to prevent permanent neurological deficits.
Resection of glioma in Turkey typically costs between €9,000 and €22,000, depending on tumour complexity, surgical mapping technology, pathology profiling and ICU duration. This compares with €22,000 to €55,000 in the UK and €50,000 to €140,000 in the US. Each hospital provides a formal written quote.
Before-and-after imaging compares diagnostic pre-operative MRI with scans taken within 48 to 72 hours of surgery. These early images confirm the extent of tumour removal and check for surgical complications before natural post-operative inflammation develops. Imaging cannot detect individual microscopic cells beyond the resection cavity.
Patients typically spend one to two nights in intensive care and three to five nights in a hospital ward. Light walking begins immediately, while brain swelling and post-surgical fatigue ease over six to twelve weeks. Physical or speech rehabilitation may continue for several months.
The brain tissue itself has no pain receptors, and local nerve blocks numb the scalp during surgery. Afterwards, patients generally experience mild to moderate tension headaches and scalp tenderness, which hospital teams manage effectively with prescription analgesics and anti-inflammatory medications.
Recognised surgical risks include neurological deficits such as muscle weakness or speech difficulty, post-operative seizures, wound infection, cerebrospinal fluid leakage, intracranial bleeding and cerebral oedema. Neurosurgeons use continuous intraoperative neurophysiological monitoring to minimise injury to vital brain pathways.
Awake craniotomy is recommended when a glioma lies directly inside or adjacent to eloquent cortex controlling language, comprehension or fine motor skills. By waking the patient to perform speaking or motor tasks during tumour removal, the neurosurgeon can map critical boundaries in real time.
Patients generally need to stay in Turkey for 10 to 14 days. This window covers pre-operative assessments, the cranial operation, hospital stay, suture removal around day seven to ten, post-operative MRI evaluation and neurosurgical clearance before travelling home.
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