Roentgenotherapy


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roentgenotherapy

[‚rent·gə·nō′ther·ə·pē]
(medicine)

Roentgenotherapy

 

a branch of radiotherapy that is concerned with the theory and practice of therapeutically using X rays generated on an X-ray tube at a voltage of 20–60 kilo-volts (kV) and a skin-focal distance of 3–7 cm (short-range roentgenotherapy) or at a voltage of 180–400 kV and a skin-focal distance of 30–150 cm (long-range roentgenotherapy). Roentgenotherapy is used primarily in the treatment of superficial tumors and some other diseases.