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[3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5] In medicine, a sign is an objective piece of data that can be measured or observed, as in a high body temperature (fever), a rash, or a bruise. [6]
Some symptoms in adults are specific to the location of the tumor: Tumors in the cerebrum, which controls movement, may cause weakness or numbness to the body. This weakness is often limited to one side of the body. Tumors in the Broca's area of the cerebrum can cause speech difficulties. In extreme cases, the patient may have problems ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 January 2025. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery, neuro-oncology Symptoms Vary depending on the ...
Pain in cancer can be produced by mechanical (e.g. pinching) or chemical (e.g. inflammation) stimulation of specialized pain-signalling nerve endings found in most parts of the body (called nociceptive pain), or it may be caused by diseased, damaged or compressed nerves, in which case it is called neuropathic pain.
Tyramine is an amino acid found in some foods and can be part of a chain reaction that leads blood vessels in the head to narrow and dilate, which causes throbbing pain, according to the National ...
Ulceration can cause bleeding that can lead to symptoms such as coughing up blood (lung cancer), anemia or rectal bleeding (colon cancer), blood in the urine (bladder cancer), or abnormal vaginal bleeding (endometrial or cervical cancer). Although localized pain may occur in advanced cancer, the initial tumor is usually painless.
Suicide gene therapy is a two step approach which includes the delivery of a foreign enzyme-gene to the cancer cells followed by activation with an pro-drug causing toxicities in the cancer-cells which induces cell death. This approach have had success in animal models and small clinical studied but could not show survival benefit in larger ...
Lung cancer can metastasize anywhere in the body, with different symptoms depending on the location. Brain metastases can cause headache, nausea, vomiting, seizures, and neurological deficits. Bone metastases can cause pain, bone fractures, and compression of the spinal cord.
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