Pituitary tumors are removed by a neurosurgeon, typically working alongside an ENT (ear, nose, and throat) surgeon. These two specialists operate as a team during the most common procedure, which goes through the nose to reach the tumor at the base of the skull. But the surgical pair is only part of a larger care team that includes an endocrinologist and, when vision is affected, an eye specialist.
The Two Surgeons in the Operating Room
The standard operation for most pituitary tumors is called endoscopic endonasal transsphenoidal surgery. The name is a mouthful, but the concept is straightforward: surgeons access the tumor through your nostrils instead of opening the skull. This requires two different skill sets working simultaneously, which is why two surgeons share the procedure.
The ENT surgeon (also called an otolaryngologist) handles the approach. They insert a thin camera called an endoscope into one nostril and navigate through the nasal passageway to the back of the nasal cavity. Using the video feed on a monitor, they remove a small portion of the wall between the nostrils and open the front wall of the sphenoid sinus, which sits just in front of the pituitary gland. This creates a clear path to the tumor while protecting nearby nerves and blood vessels.
Once the pituitary is exposed, the neurosurgeon takes over the core task of removing the tumor. Working through the same nasal corridor, the neurosurgeon uses long grasping instruments to remove the tumor in pieces through a small opening in the bony shell that houses the pituitary. Both surgeons can work through both nostrils at the same time, with instruments in one nostril and the camera in the other.
After the tumor is out, the ENT surgeon reconstructs the skull base. This often involves creating a flap from tissue inside the nose that has its own blood supply, which is used to seal the opening and prevent spinal fluid from leaking. The ENT surgeon also manages nasal healing after the operation, watching for complications like infections or nosebleeds.
The Endocrinologist’s Role Before and After
An endocrinologist is central to pituitary tumor care, even though they’re not in the operating room. The pituitary gland controls hormone production throughout the body, so these tumors frequently cause hormone imbalances. Some tumors overproduce hormones like growth hormone or cortisol. Others grow large enough to compress the gland and reduce hormone output. The endocrinologist runs blood tests to identify which hormones are affected, helps determine whether surgery is necessary or whether medication can control the tumor, and manages hormone replacement therapy after surgery if the gland doesn’t fully recover.
After surgery, about 5 to 9% of patients develop new hormone deficiencies that require ongoing medication. The endocrinologist monitors your hormone levels for months and sometimes years to catch these changes and adjust treatment.
When an Eye Specialist Gets Involved
Pituitary tumors sit just below the optic nerves, the cables connecting your eyes to your brain. Larger tumors can press on these nerves and cause vision problems, including blurry vision, changes in color perception, double vision, or loss of peripheral vision (often in both eyes). A neuro-ophthalmologist, an eye doctor with specialized training in nerve-related vision problems, evaluates how much damage the tumor has caused and whether it’s reversible.
This evaluation involves visual acuity testing, color vision testing, visual field mapping, and retinal scans that measure the thickness of nerve fibers at the back of the eye. These measurements help the surgical team decide how urgently the tumor needs to come out. When nerve fibers have thinned significantly, it can signal permanent damage, making earlier surgery more important.
After surgery, the neuro-ophthalmologist checks vision again within two to three months to assess recovery. Long-term monitoring continues at intervals of every three to twelve months, because delayed vision loss can be the first sign of tumor recurrence.
Why Surgeon Volume Matters
Not all neurosurgeons perform pituitary surgery regularly, and experience makes a measurable difference. The Pituitary Society recommends that a neurosurgeon at a specialized center perform approximately 50 transsphenoidal operations per year. An ideal regional center has two to four expert neurosurgeons serving a population of 2.5 to 5 million people.
At high-volume centers, complication rates are relatively low. For nonfunctioning pituitary tumors (the most common type), the risk of a spinal fluid leak is about 3%, meningitis occurs in roughly 1%, and temporary changes in water balance affect about 11% of patients but become permanent in only 5%. New visual problems after surgery happen in about 3% of cases, and surgical death occurs in approximately 1%.
How to Find the Right Team
The Pituitary Network Association maintains a directory of Pituitary Centers of Excellence, hospitals that meet specific criteria for staffing, surgical volume, and multidisciplinary care. Their website (pituitary.org) lists these centers along with support groups and other resources. You can also verify whether a surgeon is board certified through your state’s medical association.
The key thing to look for is a true team approach. A dedicated pituitary center will have a neurosurgeon, ENT surgeon, endocrinologist, and neuro-ophthalmologist who work together routinely, not as occasional consultants. Centers where these specialists collaborate regularly tend to have faster diagnoses, fewer complications, and better coordination of the long-term hormone monitoring that pituitary patients need.
What Recovery Looks Like
Hospital stays after transsphenoidal surgery average about four to five days. Because the surgery goes through the nose, there’s no visible incision, but nasal congestion and discomfort are common in the first weeks. Most patients can handle basic daily activities like bathing and light housework within about a week. More physically demanding tasks take longer: washing your hair with your head tilted down takes about two months, blowing your nose about six weeks, and lifting anything over 20 pounds about two months.
Returning to work takes longer than many people expect. About 73% of patients resume full eight-hour workdays within four months, though lighter or desk-based work can often start sooner. Some activities, particularly heavy lifting and sexual activity, take three months or more for a significant number of patients. Knowing these timelines upfront helps with planning time off and setting realistic expectations for the weeks after surgery.