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Joanne Ramsey
Joanne Ramsey

... Oncocytoma can occur in the thyroid gland, salivary gland, adrenal gland and the kidney Renal oncocytomas (ROs) are benign epithelial tumours that arise from the intercalated cells of the renal collecting duct The main characteristics of ROs is the accumulation of mitochondria in the cell cytoplasm ...
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Mutagen



In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. As many mutations can cause cancer, mutagens are therefore also likely to be carcinogens. Not all mutations are caused by mutagens: so-called ""spontaneous mutations"" occur due to spontaneous hydrolysis, errors in DNA replication, repair and recombination.
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