Irradiation of one half or both halves of the body in the treatment of disseminated cancer or widespread metastases. It is used to treat diffuse metastases in one session as opposed to multiple fields over an extended period. The more frequent treatment modalities are upper hemibody irradiation (UHBI) or lower hemibody irradiation (LHBI). Less common is mid-body irradiation (MBI). In the treatment of both halves of the body sequentially, hemibody irradiation permits radiotherapy of the whole body with larger doses of radiation than could be accomplished with WHOLE-BODY IRRADIATION. It is sometimes called "systemic" hemibody irradiation with reference to its use in widespread cancer or metastases. (P. Rubin et al. Cancer, Vol 55, p2210, 1985)

Descriptor ID	D017619
MeSH Number(s)	E02.815.270
Concept/Terms	Hemibody Irradiation Hemibody Irradiation Irradiation, Half-Body Irradiation, Half Body Sequential Hemibody Irradiation Hemibody Irradiation, Sequential Hemibody Irradiations, Sequential Irradiation, Sequential Hemibody Irradiations, Sequential Hemibody Sequential Hemibody Irradiations Hemi-Body Irradiation Hemi Body Irradiation Hemi-Body Irradiations Irradiation, Hemi-Body Irradiations, Hemi-Body Irradiation, Hemibody Hemibody Irradiations Irradiations, Hemibody Half-Body Irradiation Half Body Irradiation Half-Body Irradiations Irradiations, Half-Body Systemic Hemibody Irradiation Hemibody Irradiation, Systemic Hemibody Irradiations, Systemic Irradiation, Systemic Hemibody Irradiations, Systemic Hemibody Systemic Hemibody Irradiations

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Below are MeSH descriptors whose meaning is more specific than "Hemibody Irradiation".