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Motor and autonomic symptoms are less frequent but possible. Symptoms may start days after the patient receives their first dose of chemotherapy, are dose dependent, and tend to improve after completion of treatment. However, in some cases, symptoms can persist six months or later following the completion of chemotherapy. [8]
The vascular (blood) system can be affected by solid tumors. Between 15 and 25 percent of deep vein thrombosis is caused by cancer (often by a tumor compressing a vein), and it may be the first hint that cancer is present. It causes swelling and pain in the legs, especially the calf, and (rarely) in the arms. [19]
Radiation enteropathy is a syndrome that may develop following abdominal or pelvic radiation therapy for cancer. [ 1 ] [ 2 ] Many affected people are cancer survivors who had treatment for cervical cancer or prostate cancer .
Ionizing radiation is generally harmful and potentially lethal to living things but can have health benefits in radiation therapy for the treatment of cancer and thyrotoxicosis. Its most common impact is the induction of cancer with a latent period of years or decades after exposure.
If radiotherapy includes the spinal cord, changes may occur which do not become apparent until some time after treatment. "Early delayed radiation-induced myelopathy" can manifest from six weeks to six months after treatment; the usual symptom is a Lhermitte sign ("a brief, unpleasant sensation of numbness, tingling and often electric-like ...
Breast and trunk lymphedema can also occur but go unrecognised as there is swelling in the area after surgery, and its symptoms (peau d'orange and an inverted nipple) can be confused with post surgery fat necrosis. [16] Between 38 and 89% of breast cancer patients have lymphedema due to axillary lymph node dissection or radiation.
Chronic radiation syndrome develops with a speed and severity proportional to the radiation dose received (i.e., it is a deterministic effect of exposure to ionizing radiation), unlike radiation-induced cancer. It is distinct from acute radiation syndrome, in that it occurs at dose rates low enough to permit natural repair mechanisms to compete ...
Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed to high amounts of ionizing radiation in a short period of time. [1] Symptoms can start within an hour of exposure, and can last for several months.