Mr Phillips' clinical interests are in endoscopic skull base surgery, cranial neurosurgery, particularly pituitary surgery, trigeminal neuralgia, subarachnoid haemorrhage and radiosurgery. He has also contributed to national policy in radiosurgery.

Areas of interest include personal injury and clinical negligence claims involving cranial and spinal neurosurgery. Specifically this includes: • Head injury • Neck and back injury • Spinal surgery • Cranial surgery • Neuro-oncology • Skull base surgery • Vascular surgery and subarachnoid haemorrhage • Meningioma surgery • Whiplash. Consulting face to face in Sheffield and Manchester.

Professor Chhetri covers all neurological conditions, including headache, epilepsy, Parkinson’s disease, multiple sclerosis and nerve and muscle disease. He has a specialist interest in motor neurone disease.

Clinical interests focus on: • Neurosurgical oncology of the brain and spinal cord • Surgery for cranial neuropathies (trigeminal, glossopharyngeal, geniculate neuralgias; hemifacial spasm) • Complex spinal surgery He also focuses on: • Degenerative disorders of the lumbar spine and cervical spine • Surgeries for facial pain and cranial nerve hyperactive disorders • Brain tumours • Spinal cord tumours • Disorders of cerebrospinal fluid dynamics • Disorders of the cranio-cervical junction