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tumor ablation

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Destruction of tumor masses that cannot be treated by chemicals, heat, or other forms of energy.

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tumoraffin

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(tū mor-ăf-ĭn) [L. tumor, a swelling, + affinis, related] Having an affinity for tumor cells.

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tumor angiogenesis factor

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SEE: under factor.

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tumor burden

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The sum of cancer cells present in the body.

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tumoricidal

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(too″ mor-ĭ-sī dăl) Lethal to neoplastic cells.

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tumorigenesis

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(too″ mor-ĭ-jĕn ĕ-sĭs) The production of tumors.

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tumorigenic

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(tū″ mor-ĭ-jĕn ĭk) [″ + Gr. genesis, generation, birth] Pert. to the formation and development of tumors.

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tumorlet

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A small benign growth (as in the lungs or uterus) usually made of smooth muscle cells.

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tumor lysis syndrome

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Metabolic disarray, often accompanied by acute kidney injury, in patients whose cancers are rapidly killed, (as when lymphoproliferative malignancies are treated with chemotherapy). Each dying malignant cell releases potassium, phosphates and uric acids into the bloodstream. The effect of cellular destruction produces toxic or potentially fatal concentrations of these chemicals, or severe hypocalcemia. The syndrome may be prevented by making sure certain chemotherapy patients are massively hydrated before treatment and by administering drugs, such as allopurinol or rasburicase, that inhibit or degrade uric acid. Hemodialysis is sometimes required.

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tumor necrosis factor receptor-associated periodic syndrome

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ABBR: TRAPS. A rare, dominantly inherited autoinflammatory disorder marked by bouts of abdominal pain, fever, myalgia and arthralgia, pleurisy, and conjunctivitis. It is caused by a mutation in a cell receptor for tumor necrosis factor. SEE: tumor necrosis factor.

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tumorous

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(too′ mor-ŭs) Resembling a tumor.

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tumor seeding

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The spread of cancer cells to neighboring tissues, e.g., along the course of a biopsy needle or via a laparoscope.

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Tunga

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(tŭng′ gă) [Tupi (language of the Tupi people of Brazil)] A genus of fleas of the family Hectopsyllidae.

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T. penetrans A species common in tropical regions. It infests humans, cats, dogs, rats, pigs, and other animals and produces a severe local inflammation frequently liable to secondary infection. SYN: chigger flea; chigoe (1). SEE: chigoe infestation.

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tungiasis

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(tŭng-gī′ ă-sĭs) Infestation of the skin with Tunga penetrans.

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tungsten

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(tŭng′ stĕn) [Swedish tung sten, heavy stone] SYMB: W. A transition metal, atomic weight (mass) 183.84, atomic number 74. SYN: wolfram.

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tungsten carbide

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A hard alloy composed of tungsten and carbon. It is used as a metallic alternative to diamond in the manufacture of histological knives ...

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