Loss of appetite or anorexia is often associated with cachexia, especially cachexia of malignancy.
The medical examiner said a contributing factor in Lee's death was "cachexia of unknown origin, " or malnutrition.
Studies demonstrate that cachexia is the direct cause of death in a small number of cancer patients (1 to 2 percent).
Nearly half of patients with cancer that has spread to organs other the original site of disease (metastatic disease) have cachexia.
When there is effective treatment of the cancer, symptoms of cachexia decrease.
Cachexia is a condition in which the body consumes excess energy.
Cancer cachexia appears to be caused by chemicals given off by the tumor or by the patient's immune system that is trying to combat the tumor.
Oncologists generally agree that the actual cause of death in cancer patients is cachexia, a condition of severe weight loss and wasting associated with protein mal-absorption.
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In addition, these constituents are well recognized as being effective pain killers and may also be able to ameliorate symptoms of the cachexia (wasting syndrome) that accompanies advanced cancers.
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Cachexia is best known as a disease of cancer patients, but it is seen in patients with chronic infection, AIDS, heart failure, rheumatoid diseases and chronic obstructive pulmonary disease.
More commonly, the person has lost a great deal of immune function and becomes susceptible to infection, or cachexia can lead to metabolic disorders that can cause heart rhythm disturbances.
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