[Dosimetry problems in irradiation of mediastinal tumours (author's transl)]. 1977

G Tosi, and G Borasi, and M Botturi

Various physical parameters are described for evaluation of the quality of the irradiation plane. Of these, the integral dose and the dose gradient index are regarded as particularly significant and their calculation is included in a computerised dosimetry programme. Examples are drawn from the comparison of various mediastinum irradiation techniques: 60Co, high energy X-rays, fast electrons.

UI MeSH Term Description Entries
D008479 Mediastinal Neoplasms Tumors or cancer of the MEDIASTINUM. Cancer of Mediastinum,Mediastinal Cancer,Cancer of the Mediastinum,Mediastinum Cancer,Mediastinum Neoplasms,Neoplasms, Mediastinal,Cancer, Mediastinal,Cancer, Mediastinum,Cancers, Mediastinal,Cancers, Mediastinum,Mediastinal Cancers,Mediastinal Neoplasm,Mediastinum Cancers,Mediastinum Neoplasm,Neoplasm, Mediastinal,Neoplasm, Mediastinum,Neoplasms, Mediastinum
D011867 Radioisotope Teletherapy A type of high-energy radiotherapy using a beam of gamma-radiation produced by a radioisotope source encapsulated within a teletherapy unit. Teleradioisotope Therapy,Teletherapy, Radioisotope,Therapy, Teleradioisotope
D011879 Radiotherapy Dosage The total amount of radiation absorbed by tissues as a result of radiotherapy. Dosage, Radiotherapy,Dosages, Radiotherapy,Radiotherapy Dosages
D011882 Radiotherapy, High-Energy Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; x-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle. Megavolt Radiotherapy,High-Energy Radiotherapy,Radiotherapy, Megavolt,High Energy Radiotherapy,Radiotherapy, High Energy
D003037 Cobalt Radioisotopes Unstable isotopes of cobalt that decay or disintegrate emitting radiation. Co atoms with atomic weights of 54-64, except 59, are radioactive cobalt isotopes. Radioisotopes, Cobalt
D004583 Electrons Stable elementary particles having the smallest known negative charge, present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers, energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called CATHODE RAYS. Fast Electrons,Negatrons,Positrons,Electron,Electron, Fast,Electrons, Fast,Fast Electron,Negatron,Positron
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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