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Cobalt therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer. Beginning in the 1950s, cobalt-60 was widely used in external beam radiotherapy (teletherapy) machines, which produced a beam of gamma rays which was directed into the patient's body to kill tumor tissue.
Cobalt poisoning is intoxication caused by excessive levels of cobalt in the body. Cobalt is an essential element for health in animals in minute amounts as a component of vitamin B 12 . A deficiency of cobalt, which is very rare, is also potentially lethal, leading to pernicious anemia .
The role of the cobalt unit has largely been replaced by the linear accelerator, which can generate higher energy radiation. [4] [5] Nonetheless, cobalt treatment still retains some applications, such as the Gamma Knife, since the machinery is relatively reliable and simple to maintain compared to the modern linear accelerator.
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.
Dave Coulier shared an update amid his ongoing treatment for stage 3 non-Hodgkin lymphoma, saying “it’s been a little bit of an adjustment” not having hair. “I'm feeling good.
Minor side effects may include diarrhea, nausea, upset stomach, and itchiness. [11] Serious side effects may include anaphylaxis, and low blood potassium resulting in heart failure. [11] Use is not recommended in those who are allergic to cobalt or have Leber's disease. [9] No overdosage or toxicity has been reported. [11]
SailPoint didn't disclose guidance for its fiscal year's bottom line. Through the nine months ended Oct. 31, 2024, SailPoint's net loss totaled $235.8 million, better than the $308 million loss a ...
Moist desquamation is a common side effect of radiotherapy treatment, where approximately 36% of radiotherapy patients will present with symptoms of moist desquamation. [3] While modern megavoltage external beam radiotherapy have peak radiation doses below the skin, older orthvoltage systems have peak radiation doses at the skin of a patient.