8 Silent Signs You Might Have a Brain Tumor

The symptoms of brain cancer look an awful lot like other everyday ailments, from headaches to depression. Here's when to consider see your doctor for a workup.

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Brain cancer: A scary diagnosis

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The good news is that brain cancer affects less than 1 percent of the world’s population; the bad news is that brain tumors are often accompanied by very few symptoms, and these symptoms disguise themselves as everyday ailments such as headaches and exhaustion. (Did you know you can prevent brain cancer by doing this one thing?). Read on for eight silent, but serious, symptoms of a brain tumor, and how you should know whether or not to see a doctor.

Persistent headaches

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It can be very difficult for even doctors to tell the difference between headaches (or full-on migraines) caused by brain tumors and those resulting from other reasons. “The best indicator is a new daily headache that won’t seem to go away,” says Mike Chen, MD, PhD, associate professor, division of neurosurgery, department of surgery at City of Hope. “These headaches tend to get worse over time and are often present when you wake up in the morning, when intracranial pressure is high from lying in bed for hour-long periods of time.” (Here's how to naturally treat your headaches). This pain can vary greatly regardless of the size or growth rate of the tumor. “A small, fast-growing tumor can cause as severe of a headache as a large, slow-growing tumor,” says Santosh Kesari, MD, PhD, neuro-oncologist and chair of the department of translational neuro-oncology and neurotherapeutics at John Wayne Cancer Institute in Santa Monica, California. And there’s no specific type of headache that can predict whether or not a person has a brain tumor. The key is to be on the lookout for new, persistent headaches that do not respond to any treatments, such as over-the-counter medicines.  Here are subtle signs of cancer women are likely to ignore.

A subtle loss of vision

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Patients experiencing this particular symptom may not be aware of it at all—let alone associate it with a brain tumor. They may not even notice an alteration in their vision quality until they continually bump into things on one side of the body related to the vision loss or have repeated car accidents on the side of the loss. “This particular symptom or impaired peripheral vision is known as bitemporal hemianopsia,” says Christopher Carrubba, MD, co-director for Medical Education at Med School Tutors. “We often see this symptom with pituitary tumors that compress the optic chiasm, or part of the visual pathway.” Brain cancer is just one of many surprising diseases eye doctors can diagnose first. (Here are 39 things you can do to protect your eyes.)

Weakness and lethargy

4_weakness_silent_brain_tumor_Ali-Kerem-YüceliStock/Ali-Kerem-YücelThe motor cortex of the brain initiates and controls muscle movement throughout the body. “The right motor cortex controls the left side of your body and the left motor cortex controls the right side of your body,” says Dr. Chen. If there are tumors anywhere along this pathway, these signals are completely disrupted and the result is loss of function.” If you have a brain tumor, you may not experience pain in your limbs, but your left or right leg or arm may not respond the way you’re used to—or at all. Weak legs may also mean that you have a vitamin D deficiency. Here are subtle signs of cancer men are likely to ignore.

Slurred or stuttering speech

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“Language problems such as stuttering, difficulty naming objects or understanding what others are saying are key symptoms of a tumor in the frontal or temporal lobes, areas of the brain associated with motor function of speech and language comprehension,” says Dr. Carrubba. “There are two speech centers in the brain that are located on the left side—Wernicke’s area, which allows us to understand and comprehend speech, and Broca’s area, which activates the muscles that create sound.” When a tumor is present in the brain, both abilities are often obstructed.

Moody feelings and risky behavior

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“Patients suffering from a brain tumor may develop depression, anger or anxiety, even if they don’t commonly exhibit these types of emotions,” says Sumeet Vadera, M.D., neurosurgeon at University of California Irvine. “This is related to tumor irritation or compression of portions of the frontal lobe, which is responsible for many of our personality traits.” Patients may also experience changes in behavior including becoming more angry or agitated, meddling in more risky behaviors, acting overtly sexual or showing loss of inhibition. “A large, slowly growing tumor in the frontal lobe can even alter personality and judgment so far as to be mistaken for criminal behavior or psychiatric problems,” says Dr. Chen.  Be on the lookout for these hidden signs of depression.

Loss of hearing or ear ringing

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The temporal lobe, located in the bottom middle part of the cortex behind the temples, is responsible for processing your ability to hear sounds, as well as your ability to comprehend and understand language and conversation. (Here are 9 other things your ringing ears may be trying to tell you). “If you’re experiencing hearing loss from one side or a constant ringing sensation, known as tinnitus, you’ll want to make an appointment with your doctor who can determine whether your symptoms are severe enough to see a neurologist,” says Dr. Carrubba. These are 14 effective remedies for tinnitus.

Infertility

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The brain pretty much controls nearly everything in our body, including our production of hormones (here are 9 signs you might have a hormone imbalance). “It does this by means of an extension known as the pituitary gland, a pea-sized structure located at the base of the brain,” says Chen. “Tumors affecting the pituitary gland can secrete high amounts of hormones or prevent the normal gland from working.” This is why many women suffering from a brain tumor are unable to conceive or produce milk after giving birth.  Here are infertility myths you can stop worrying about.

Loss of balance

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One of the many areas where the brainstem plays a vital role is with motor function. If you start to find walking difficult, especially in the dark, and you tend to lean toward one side, this can be a symptom caused by tumors in the cerebellum, the area of the brain responsible for balance and coordination. Balance issues are also a silent symptom of multiple sclerosis. (Here are 7 daily exercises to improve your balance.)

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