Brain metastases can cause neurological changes that may seem minor at first, especially in someone managing cancer. Symptoms depend on where tumors develop, how large they become, and whether swelling affects brain tissue. Recognizing the changes below can help patients and possibly caregivers know when to seek professional care.
Headaches are common, but they do not always follow the same pattern. Some become more frequent or more intense, while others worsen when lying down, coughing, bending, or straining. Moreover, nausea, vomiting, dizziness, or balance problems may occur as swelling increases. Considering these symptoms can come from other conditions or cancer treatments, a neurosurgeon needs to determine the cause.
Brain metastases can interfere with areas that control movement and sensation. One may notice weakness, numbness, tingling, clumsiness, or difficulty walking, affecting one side more than the other. Fine motor tasks, such as writing or fastening clothing, may also feel more difficult and often accompany balance problems that increase the risk of falls. Any new weakness or change in coordination calls for prompt medical evaluation, particularly for someone with cancer.
Drastic changes in thinking or behavior can be a clue that something is affecting the brain. Family members may notice confusion, memory problems, irritability, personality changes, or difficulty concentrating. Brain metastases may also affect speech or vision, causing trouble finding words, speaking clearly, blurred vision, double vision, or changes in the visual field. These symptoms vary because different brain areas control different functions. Note that even subtle changes can provide information during an evaluation.
A new seizure requires immediate medical attention in a person with cancer. Seizures do not always involve full-body convulsions or loss of consciousness. Some cause staring, unusual sensations, brief unresponsiveness, repetitive movements, or twitching in one part of the body.
Keep in mind that some seizures can be a direct result of brain tumors that disrupt electrical activity and trigger these episodes. In these cases, an emergency evaluation is important after a first seizure, prolonged seizure, or repeated seizures without full recovery between episodes.
The neurosurgeon may recommend neurological testing and brain imaging when symptoms raise concern for brain metastases. Magnetic resonance imaging (MRI), often with contrast, can help identify the number, size, and location of suspicious lesions. Treatment planning depends on the primary cancer, symptoms, overall health, and characteristics of the tumors. Options may include surgery, stereotactic radiosurgery, radiation, medications, or systemic cancer therapy. The neurosurgeon determines which approach fits the individual situation rather than relying on symptoms alone.
While not every headache or memory lapse points to the spread of cancer, patients with a history of cancer should not ignore new neurological symptoms. Sudden weakness, difficulty speaking, severe confusion, a first seizure, loss of consciousness, or a sudden severe headache can require care at a hospital emergency room.
In non-emergency situations, one should notify the neurosurgeon of any persistent or worsening changes. Early evaluation helps identify the cause and allows them to address symptoms without unnecessary delay.
New or worsening neurological symptoms can be concerning, particularly for someone with a current or previous cancer diagnosis. A neurological evaluation can help determine the cause of symptoms such as headaches, weakness, seizures, balance problems, or changes in thinking and speech. If you are experiencing any of the above symptoms, do not hesitate to contact our office and schedule a brain metastasis evaluation.
Request an appointment here: https://arizonaneurosurgeon.com or call Randall Porter, M.D. at (602) 603-8951 for an appointment in our Phoenix office.
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