Benign tumors can grow but do not spread. There is no way to tell from symptoms alone if a tumor is benign or malignant. Often an MRI scan can reveal the tumor type, but in many cases, a biopsy is required.
Imaging tests such as MRI and CT scans may show an abnormal area that is likely to be a brain or spinal cord tumor. But these scans can't always tell exactly what type of tumor it is. Often this can only be done by removing some of the tumor tissue in a procedure called a biopsy.
If you have brain tumor symptoms, your doctor may start with a neurological exam. You also may need an imaging test such as magnetic resonance imaging (MRI). Often, a biopsy (taking a small sample of the tumor) is the only way to tell if a tumor is benign or malignant (cancerous).
A Brain Tumor MRI is Highly Accurate
According to cancer.net, an MRI is the most effective diagnostic tool for detecting a brain tumor in most cases. Oncologists prefer the MRI because it provides them with the greatest level of detail as compared to other imaging tests.
The Radiologist will send a report to the doctor who arranged the scan. They'll discuss the results with you. It usually takes 1 to 2 weeks for the results of an MRI scan to come through, unless they're needed urgently.
The biopsy sample is sent to a lab for testing. Tests can see whether the cells are cancerous or not cancerous. The way the cells look under a microscope can tell your health care team how quickly the cells are growing. This is called the brain tumor's grade.
Here's a breakdown that may surprise many: About 71 percent of all brain tumors are benign and about 29 percent are malignant.
Some people will need surgery, particularly if they have severe or progressive symptoms, but sometimes non-surgical treatments are an option. A group of different specialists will be involved in your care. They will recommend what they think is the best treatment option for you, but the final decision will be yours.
Benign tumors can still be dangerous. They can damage and compress parts of the brain, causing severe dysfunction. Benign brain tumors located in a vital area of the brain can be life-threatening. Very rarely, a benign tumor can become malignant.
There's no cure for glioblastoma, which is also known as glioblastoma multiforme. Treatments might slow cancer growth and reduce symptoms.
MRIs create more detailed pictures than CT scans (see below) and are the preferred way to diagnose a brain tumor. The MRI may be of the brain, spinal cord, or both, depending on the type of tumor suspected and the likelihood that it will spread in the CNS.
MRI gives very detailed pictures of soft tissues like the brain. Air and hard bone do not give an MRI signal so these areas appear black.
Even if a brain tumor is benign and growing slowly, eventually the brain won't be able to tolerate that, and symptoms will develop, which can be life-threatening.” Most benign tumors are treated with surgery, focused radiation or a combination of the two.
The five-year survival rates for meningioma, the most common type of benign (noncancerous) primary brain tumor, are: Over 96% for children ages 14 and under. 97% in people ages 15 to 39. Over 87% in adults 40 and older.
Non-cancerous brain tumours tend to stay in one place and don't spread. They won't usually come back if all of the tumour can be safely removed during surgery. Because they aren't cancerous they can often be successfully treated, but they're still serious and can be life threatening.
Meningiomas, particularly those < 2 cm in diameter, are among the most common intracranial tumors. Meningiomas are the only brain tumor more common among women. These tumors tend to occur between ages 40 and 60 but can occur during childhood.
Most are considered “benign” because they are slow-growing with low potential to spread. Meningioma tumors can become quite large. Diameters of 2 inches (5 cm.) are not uncommon.
Brain surgery might sound like a frightening procedure, but it is quite safe. Doctors who carry out these surgeries are very skilled specialists. You can share any concerns with your doctors and cancer nurse specialist. They will be able to tell you what will happen during the operation.
Types of Benign Brain Tumors. Chordomas are benign, slow-growing tumors that are most prevalent in people ages 50 to 60. Their most common locations are the base of the skull and the lower portion of the spine.
The more aggressive a tumor is, the faster it grows. Generally speaking, a brain tumor can take several months or even years to develop.
Symptoms of a brain tumour
seizures (fits) persistently feeling sick (nausea), being sick (vomiting) and drowsiness. mental or behavioural changes, such as memory problems or changes in personality. progressive weakness or paralysis on one side of the body.
Headaches are the most common symptom of brain tumors. Headaches happen in about half of people with brain tumors. Headaches can happen if a growing brain tumor presses on healthy cells around it. Or a brain tumor can cause swelling in the brain that increases pressure in the head and leads to a headache.
“Glioblastoma is the most aggressive type of brain cancer and considered to be advanced by the time of diagnosis,” said Dr. Solmaz Sahebjam, a neuro-oncologist at Moffitt Cancer Center. “Currently it is not curable, meaning there's no way to eradicate all cancer cells.