CION Ameerpet
An acoustic neuroma is a benign, slow-growing tumour on the hearing-and-balance nerve — not cancer. The real decision is which path protects your hearing and facial nerve best. CION’s tumour board weighs every option with you.
An acoustic neuroma (vestibular schwannoma) is a benign, slow-growing tumour on the nerve that carries hearing and balance signals from the inner ear to the brain. It is not cancer, and it almost never spreads. But because it sits beside the hearing nerve, the facial nerve and the brainstem, the goal of treatment is rarely just “remove it” — it is to control the tumour while protecting your hearing and the muscles of your face.
That is why there is no single best treatment. The three established paths are observation (regular MRI scans), stereotactic radiosurgery such as Gamma Knife or CyberKnife, and microsurgery. The right one depends on tumour size, your hearing, your age, your symptoms and your preferences. CION’s neuro-oncology tumour board reviews your scans and hearing tests and explains every option — part of our wider brain tumour treatment in Hyderabad.
Acoustic neuromas grow slowly — often less than 1–2 mm a year, and many do not grow at all over years of monitoring. For this reason, the National Comprehensive Cancer Network (NCCN) and skull-base specialist guidance support observation with serial MRI as a legitimate first choice for many small, asymptomatic tumours, rather than rushing to surgery.
Most of these symptoms have common, harmless causes — age-related hearing change, wax, ear infections or ordinary tinnitus. What points towards an acoustic neuroma is a pattern that is one-sided and slowly progressive. Any of the following on one side only is worth checking with a hearing test and, if needed, an MRI:
Worth knowing: one-sided hearing loss or tinnitus is the symptom that most often prompts the MRI that finds an acoustic neuroma. A symptom does not mean a tumour — but a clearly one-sided, progressive pattern deserves a proper hearing test. Speak to a CION specialist if this sounds familiar.
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Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
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CION’s tumour board reviews your MRI and hearing tests and lays out every reasonable option in plain language — so the decision fits your life, not a fixed pathway.
Two tests confirm the diagnosis and guide which treatment makes sense. Getting both done properly matters, because the size on MRI and the level of useful hearing are the two facts that drive the whole decision.
This is the gold-standard test. A dedicated MRI with gadolinium contrast shows the exact size and position of the tumour and how close it sits to the hearing nerve, the facial nerve and the brainstem. The same scan, repeated over time, is what makes safe observation possible — it tracks whether the tumour is growing.
A formal hearing test measures how much useful hearing you still have in the affected ear. This is central to planning: when hearing is still serviceable, preserving it becomes a key goal and may favour earlier radiosurgery or hearing-preservation surgery. Where appropriate, balance testing is added.
Most acoustic neuromas are diagnosed because of a hearing test, not a scare. Guidance from the National Comprehensive Cancer Network (NCCN) recommends a dedicated MRI of the internal auditory canal for any unexplained one-sided (asymmetric) hearing loss — which is exactly how the majority of these benign tumours are found.
There is no universally “best” treatment for an acoustic neuroma. Each option suits a different tumour size, hearing level and patient. Here is what each really involves — open any panel to read more.
Many small acoustic neuromas are simply monitored. Because they grow so slowly — and a meaningful proportion never grow at all — treating immediately can expose you to risks you may never have needed to take. Observation means a repeat MRI at around 6–12 months, then less often if the tumour stays stable, alongside periodic hearing tests.
Treatment is recommended only if the tumour shows clear growth, if your hearing is declining, or if new symptoms such as balance problems or pressure effects develop. Observation avoids any treatment-related hearing or facial-nerve risk while the tumour behaves itself, which is why guidance supports it for small, asymptomatic tumours. It does require commitment to follow-up scans.
Stereotactic radiosurgery delivers many highly focused beams of radiation that converge on the tumour from different angles at once. Despite the word “surgery,” there is no incision, no general anaesthetic and usually no hospital stay — it is typically completed in one to a few outpatient sessions. The aim is not to remove the tumour but to stop it growing.
For small-to-medium acoustic neuromas, published series report tumour growth control in roughly 90–95% of patients, with a lower risk of facial weakness than open surgery for suitably sized tumours. It suits people who want to avoid surgery, older patients, and tumours that are not yet large. Radiosurgery is delivered as part of CION’s coordinated radiosurgical / specialist care; CION does not operate a Gamma Knife or proton unit in-house. Lifelong follow-up MRI confirms the tumour stays controlled.
Surgery physically removes the tumour and is the preferred choice for larger tumours, those pressing on the brainstem, or tumours that keep growing despite other measures. Several approaches exist; the choice depends on tumour size, position and whether useful hearing can be preserved. Because the tumour sits next to the facial and hearing nerves, the main risks are facial weakness, hearing loss and balance change — outcomes are closely linked to tumour size and surgical experience.
CION does not have an in-house neurosurgeon. When microsurgery is the right path, it is coordinated with accredited neurosurgical partners experienced in skull-base and acoustic neuroma surgery. CION delivers everything around the operation — imaging, the tumour board recommendation, radiation planning where relevant, steroid and symptom management, and rehabilitation — so your care stays joined-up under one team.
Whichever path you take, supportive care matters. Balance rehabilitation (vestibular therapy) helps the brain compensate for changes in the balance nerve, and most people adapt well over time. Where hearing is affected, hearing rehabilitation — including hearing aids and bone-conduction options — can restore useful function.
CION coordinates steroid and symptom management where a tumour is causing pressure effects, and arranges facial-nerve and physiotherapy support after treatment when needed. This wrap-around care is delivered directly by CION across our Hyderabad locations, so you are not left to assemble it yourself after a decision is made.
The decision is genuinely shared — between you and a multidisciplinary team. These are the factors CION’s tumour board weighs before recommending observation, radiosurgery or surgery:
Because the three options carry different trade-offs, an acoustic neuroma is exactly the kind of diagnosis where a calm, multidisciplinary review pays off. CION’s board includes radiation and medical oncology and works with accredited neurosurgical partners — so every reasonable path is on the table.
An acoustic neuroma diagnosis rarely needs a rushed decision — these tumours grow slowly, which gives you time to make sure the plan is right. A second opinion is especially worthwhile if:
CION offers a free written second opinion. Our tumour board reviews your scans and reports and lays out every reasonable option — with transparent costs and no pressure to switch your care. Request your second opinion or call 18002028726.
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Start Your Story. Book Free Consultation.There is no single best treatment — the right choice depends on the tumour size, your hearing, your age, your symptoms and your preferences. The three established options are observation (regular MRI scans for small, slow-growing tumours), stereotactic radiosurgery such as Gamma Knife or CyberKnife (focused radiation to halt growth without an incision), and microsurgery (surgical removal, coordinated with an accredited neurosurgical partner). Most small tumours that are not growing are simply watched. Many small-to-medium tumours are well suited to radiosurgery. Larger tumours, or those pressing on the brainstem, usually need surgery. CION’s tumour board reviews your MRI and hearing tests and explains every option in plain language.
Acoustic neuroma (vestibular schwannoma) microsurgery is a well-established operation, but because the tumour sits beside the facial nerve and hearing nerve, it carries real risks — facial weakness, hearing loss and balance changes are the main concerns. Outcomes are strongly linked to tumour size and surgical experience. At CION the surgery itself is coordinated with accredited neurosurgical partners with high-volume skull-base experience; CION delivers the surrounding care — imaging, the multidisciplinary tumour board, radiation planning where radiosurgery is chosen, and rehabilitation. We help you weigh surgery against radiosurgery and observation so the decision fits your situation, not a one-size-fits-all pathway.
Stereotactic radiosurgery — Gamma Knife or CyberKnife — does not remove the tumour; it delivers a precise dose of radiation that stops it growing. Published series report tumour growth control in roughly 90–95% of patients after radiosurgery for small-to-medium acoustic neuromas. The tumour usually stays the same size or shrinks slowly over years, and lifelong MRI follow-up confirms it remains stable. Radiosurgery avoids an incision, a hospital stay and a long recovery, and it carries a lower risk of facial weakness than surgery for suitably sized tumours. CION delivers radiosurgery as part of coordinated specialist radiosurgical care.
Most acoustic neuromas grow very slowly — often less than 1–2 mm per year — and a meaningful proportion do not grow at all over years of monitoring. This is exactly why observation with serial MRI is a legitimate first choice for many small tumours. Your specialist typically repeats the MRI at 6–12 months, then less often if the tumour is stable. Treatment is recommended if the tumour shows clear growth, if hearing is declining, or if symptoms such as balance problems or pressure effects develop. A small minority grow faster and need earlier treatment.
One-sided hearing loss is the most common symptom of an acoustic neuroma, and some hearing loss may progress regardless of which path you choose. Preserving useful hearing is a key goal when planning treatment. For small tumours where hearing is still serviceable, radiosurgery and hearing-preservation microsurgery both aim to protect the hearing nerve, and observation avoids any treatment-related hearing change while the tumour is stable. Once hearing is lost it rarely returns. CION’s team factors your current hearing tests (audiometry) into the recommendation and discusses hearing rehabilitation, including hearing aids and bone-conduction options, where relevant.
CION is a comprehensive cancer-care network and does not have an in-house neurosurgeon. When microsurgery is the right choice, it is coordinated with accredited neurosurgical partners experienced in skull-base and acoustic neuroma surgery. CION directly delivers the rest of your care: diagnostic MRI and imaging review, the multidisciplinary tumour board that recommends observation, radiosurgery or surgery, stereotactic radiosurgery planning as part of coordinated radiosurgical care, steroid and symptom management, and rehabilitation. This means you get joined-up neuro-oncology care and a single team coordinating every step, including a free written second opinion.
A second opinion is especially valuable before any irreversible decision on an acoustic neuroma. Seek one if you have been advised surgery for a small tumour without observation or radiosurgery being discussed; if radiosurgery has not been offered as an alternative to surgery for a small-to-medium tumour; if hearing-preservation options have not been explained; or if you simply want your MRI and audiometry reviewed by a multidisciplinary team. CION offers a free written second opinion in which our tumour board reviews your scans and reports and lays out every reasonable option, with no pressure to switch your care.
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