Neurosurgery: The Surgeons of The Most Complex Systems In The Body
By: Dhyan Patel
Neurosurgery
Note: This article is part of a student-run educational series on medical specialties, based on research and/or shadowing (in person or virtual), in order to educate other students who are interested in healthcare careers and may lack the ability to shadow specialists in their areas.
Background
One of the most demanding and precision requiring medical specialties is neurosurgery. Neurosurgeons are doctors who operate on the brain, spinal cord, and the nervous system. They perform some of the most complex and precise procedures in all of the medical field. Whether they are removing brain tumors, repairing spinal injuries, or stopping seizures, neurosurgeons are one of the most important types of doctors. As neurosurgery isn’t just simply cutting and stitching within the body, it is about navigating and working with the body's most important and delicate system: the nervous system. The system controls an individual's every thought, movement, and heartbeat. Neurosurgeons don’t only need steady hands, but they need to have quick decision making and the courage to make proper decisions during surgery.
So, what do they do?
Neurosurgeons diagnose and treat disorders of the nervous system. This includes the brain, spinal cord, nerves, and the blood vessels that supply them. Their work can range from emergency trauma care to surgeries that restore mobility or relieve chronic pain.
Some of the common procedures performed by neurosurgeons include:
Brain tumor removals - trying to get rid of the tumor while preserving as much of the healthy brain tissue as possible
Spinal surgery - repairing herniated discs, spinal fractures, or deformities.
Aneurysm repair - treating bulging blood vessels in the brain before they rupture.
Epilepsy and seizure surgery - removing areas of the brain that trigger uncontrolled seizures
Deep brain stimulation - implanting electrodes that help control movement disorders like Parkinson’s disease.
Additional Information
Neurosurgeons may use powerful imaging tools such as MRI, CT scans, and intraoperative navigation systems in order to visualize the brain and the spine in real time. Some surgeries may even use robotic assistance through microscopes that may magnify the surgical field to the cellular level.
Recently another groundbreaking advancement known as neuro-navigation, which works almost like a GPS for the brain, is used to guide neurosurgeons with precise accuracy. This allows them to operate through openings as small as a coin whale minimizing damage to surrounding tissues.
Required education and training
Becoming a neurosurgeon requires one of the longest and most demanding training in all of the medical field. After earning a bachelor’s degree, typically done in a science related major, and completing medical school, neurosurgeons must enter a 7-year residency program that is dedicated to neurosurgery. During their residency, they gain hands-on experience with performing surgeries and managing critical patients. Some people may also pursue fellowships in order to specialize in areas like pediatric neurosurgery, cerebrovascular surgery, or spine surgery.
Importance
The brain and spinal cord control every aspect of a person's life (their thoughts, emotions, memory, and the activities that they do). When a person injures these organs or the nervous system, the results can be devastating. As a result, neurosurgeons step in to repair this system which can help patients regain their normal functions. As a result, neurosurgeons are one of the most important doctors in the medical field.
References
Brain and Spine Neuroscience Institute. (2020, October 8). Common Types of Neurosurgery - Brain and Spine Neuroscience Institute Palm Harbor, FL. Brain and Spine Neuroscience Institute Palm Harbor, FL. https://www.brainandspineni.com/blog/common-types-of-neurosurgery/
Cleveland Clinic. (2023, August 22). Neurosurgeon: What They Do, Specialties & Training. Cleveland Clinic. https://my.clevelandclinic.org/health/articles/22364-neurosurgeon
Health Direct. (2025, October 21). The role of a neurosurgeon. Healthdirect.gov.au; Healthdirect Australia. https://www.healthdirect.gov.au/neurosurgeon
Ivanov, M., & Alexandru Vlad Ciurea. (2025). Neuronavigation. Principles. Surgical technique. Journal of Medicine and Life, 2(1), 29. https://pmc.ncbi.nlm.nih.gov/articles/PMC5051478/
Medschoolcoach. (2021, February 4). Child Neurology with Dr. Alexis Dallara-Marsh - Virtual Pre-Med Education by MedSchoolCoach. Virtual Pre-Med Education by MedSchoolCoach. https://shadowing.medschoolcoach.com/lessons/child-neurology-with-dr-alexis-dallara-marsh/
Nicklaus Children's Hospital. (2025). Neurosurgical treatments and procedures | Nicklaus Children’s Hospital. Nicklauschildrens.org. https://www.nicklauschildrens.org/medical-services/neurosurgery/treatments
Porter, R. (2024, March 6). Five Most Common Procedures in Neurosurgery - Randall Porter, M.D. in Phoenix, AZ 85013. Randall Porter, M.D. In Phoenix, AZ 85013. https://arizonaneurosurgeon.com/blog/five-most-common-procedures-in-neurosurgery/
UT Health. (2022, May 18). Residency Program Description - Neurosurgery. Neurosurgery. https://lsom.uthscsa.edu/neurosurgery/education/residency/program-description/