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radiation therapy

radiation therapy is a topic covered in the Taber's Medical Dictionary.

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ABBR: RT, XRT The use of energy from man-made ionizing radiation or from the radioactive decay of atomic nuclei to destroy diseased tissues, esp. cancers.
SYN: SEE: radiotherapy

PATIENT CARE
The radiotherapy must be directed only at the diseased tissue. The patient's body is precisely measured and marked (“tattooed”), and cradles are designed to hold the patient in a precise position for each treatment. Systemic adverse effects of radiation therapy include weakness, fatigue, anorexia, nausea, vomiting, and anemia. These may subside with antiemetics, steroids, frequent small meals, fluid maintenance, and added rest and are seldom severe enough to require discontinuation of treatment although dosage adjustment may be required. Local adverse effects of radiation depend on the organ system affected. For example, radiation of the breast may sometimes result in esophagitis or pneumonitis; cranial radiation may cause hair loss; radiation treatment of head and neck cancers may cause dry mouth (for which good oral hygiene or artificial saliva may be helpful). Because radiation may affect bone marrow, patients require frequent measurement of complete blood counts. Radiation also requires special skin care, and the patient should use a hypoallergenic moisturizer (Biafine, Radiacare Gel, and Aquaphor are popular brands). Many nurses and patients prefer using natural aloe (from the leaf of an aloe plant, split open to apply the gel from inside) or bottled aloe. Usually the radiation therapist will recommend that the skin be free of any such preparations at treatment time.

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Citation

Venes, Donald, editor. "Radiation Therapy." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/762238/all/radiation_therapy.
Radiation therapy. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/762238/all/radiation_therapy. Accessed June 27, 2019.
Radiation therapy. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/762238/all/radiation_therapy
Radiation Therapy [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 June 27]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/762238/all/radiation_therapy.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - radiation therapy ID - 762238 ED - Venes,Donald, BT - Taber's Medical Dictionary UR - https://www.tabers.com/tabersonline/view/Tabers-Dictionary/762238/all/radiation_therapy PB - F.A. Davis Company ET - 23 DB - Taber's Online DP - Unbound Medicine ER -