Photon, Electron, Proton and Neutron Interaction Data for Body Tissues (Report 46)

This Report is a companion volume expanding on the material covered in ICRU Report 44, Tissue Substitutes in Radiation Dosimetry and Measurement. The new report provides specific information on representative sets of tissues that illustrates the effects of tissue composition variation on the pertinent radiation interaction quantities. It includes photon, electron, proton and neutron interaction data for body tissues, covering the age interval from fetus to adult. Soft tissues, skeletal tissues and calculi are considered. more

Clinical Neutron Dosimetry-Part: I: Determination of Absorbed Dose in a Patient Treated by External

ICRU Report No. 45 is the first of two reports addressed to clinical neutron dosimetry. The report focuses on standardization of the dosimetry procedures used in support of the clinical applications of fast neutrons. It has been recognized that the comparison of the clinical results of fast neutron therapy at different institutions is compromised by difficulties in comparing the technical irradiation conditions.


Tissue Substitutes in Radiation Dosimetry and Measurement (Report 44)

This Report was prepared in recognition of the fact that the measurement of absorbed doses within and around the irradiated body tissues necessitates the use of carefully selected materials from which phantoms and radiation detectors can be constructed. The use of such materials permits determination of absorbed doses when information on the energy and nature of the charged particles at the point of interest is incomplete or fragmentary. more

Determination of Dose Equivalents from External Radiation Sources--Part II (Report 43)

ICRU Report No. 43 is the second in a three-report series produced by the ICRU to provide guidance on the practical determination of dose equivalents from external radiation sources. The first of the series, ICRU Report 39, Determination of Dose Equivalents from External Radiation Sources, provided definitions of quantities to be employed in radiological protection monitoring, including the ambient dose equivalent, the directional dose equivalent, the individual dose equivalent penetrating, and the individual dose equivalent superficial. Report 43 provides the grounds for the Commission=s selection of these quantities and the basis for their definition.


Use of Computers in External Beam Radiotherapy Procedures with High Energy Photons and Electrons

This Report continues the series of reports issued by the Commission dealing with dosimetric problems in external beam therapy with high energy photons. The previous reports covered such matters as the measurement of absorbed dose in a water phantom, determination of absorbed dose in the patient and specification of target absorbed dose for reporting purposes. Since the publication of those ICRU reports, computers have assumed an increasingly important role in dosimetric and treatment planning procedures in many radiation therapy centers. more

Modulation Transfer Function of Screen- Film Systems (Report 41)

This Report reviews and describes various concepts used in the analysis of the physical aspects of radiographic image quality for the screen-film systems used in diagnostic radiology. more

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