Pinealectomy: Causes, Symptoms, and Treatment

Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.

What kind of doctor treats Pinealectomy?

A primary care doctor is often the first person patients see and can evaluate symptoms, order imaging, and refer the patient to a neurologist or directly to a neurosurgeon, who performs the pinealectomy. After surgery, care is shared with the primary care doctor and sometimes an oncologist.

What it is

A pinealectomy is surgery to remove the pineal gland, a small gland deep in the brain that makes melatonin, the hormone that helps control sleep. It is usually done when a tumor grows in or near the gland. A neurosurgeon performs the surgery using general anesthesia, medicine that puts you to sleep so you feel nothing.

Symptoms

Problems in this area often cause symptoms because the gland sits near channels that drain fluid from the brain. A blocked channel builds pressure inside the skull, causing headaches, nausea, vomiting, and sleepiness. Some people have trouble looking up or have vision or sleep changes.

Causes and who gets it

Doctors perform a pinealectomy most often because of a tumor in the pineal region. Some are germ cell tumors, while others, such as pineocytoma and pineoblastoma, start in the pineal gland cells themselves. Pineal tumors are rare and can happen at any age, though some are more common in children and young adults.

How doctors diagnose it

Diagnosis usually starts with a medical history and an exam of vision, eye movement, balance, and reflexes. The main test is an MRI scan. A biopsy, which examines a small tissue sample under a microscope, gives the clearest answer.

Treatment

Treatment depends on the type and size of the growth and whether it is cancer. A pinealectomy removes the pineal gland, often along with the tumor. Some people need radiation therapy or chemotherapy. Removing the pineal gland does not usually cause major problems, and doctors may prescribe melatonin if sleep is affected. Recovery often takes weeks, with follow-up scans.

When to see a doctor

See a doctor for ongoing headaches, especially with morning nausea or vomiting, or new vision changes, unusual sleepiness, or balance trouble. These symptoms usually are not caused by a brain tumor, but new or worsening symptoms deserve a checkup. Sudden severe headache, confusion, or fainting needs emergency care.

How a direct primary care or concierge doctor fits in

A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either can spend extra time on evaluation, manage sleep problems, and coordinate referrals, but they do not perform brain surgery.

Common questions

Can you live without a pineal gland?

Yes. The pineal gland makes melatonin, which affects sleep, but people can live without it. Doctors may suggest a melatonin supplement if sleep becomes difficult after surgery.

Is a pinealectomy brain surgery?

Yes. The pineal gland sits deep in the brain, so the operation is performed by a neurosurgeon. Recovery usually includes a hospital stay and several weeks of healing at home.

Are pineal tumors always cancer?

No. Some pineal growths are noncancerous and grow slowly, while others are cancerous. A biopsy or surgery is the way doctors learn which type it is.

Will removing the pineal gland ruin my sleep?

Some people notice changes in sleep after the gland is removed. Many people manage well, and doctors can prescribe melatonin if needed. Experiences differ from person to person.

Sources

  1. MedlinePlus - Brain Tumor
  2. American Association of Neurological Surgeons - Conditions & Treatments - AANS

Medical Disclaimer

This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.