Pdf icruprescribing, recording and reporting photon beam. Whats new in target volume definition for radiologists in. This study highlighted that the presence of the bolus layer reduces maximum dose to ptv, passing from 116. The international commission on radiation units and. Icru 50, 62 and 71 photons electrons 1993 1999 2004. These recommendations suggest various volumes which are useful for. Icruprescribing, recording and reporting photon beam therapy. After the publication of the new icru 50 recommendations, we modified the treatment chart to fulfil the new statements. The situation is more complex when two or more ptvs are identified. Whats new in target volume definition for radiologists in icru report 71.
Definition of volumes journal of the international. Prescribing and achieving radiotherapy require accurate definitions of the target volumes and of the dose to be delivered in them. Prescribing, recording and reporting photon beam therapy. Until recently icru 50 and 62 reports were widely used as an international reference for the prescribing, recording, and reporting of photon beam radiotherapy, including imrt. The international committee on radiation units and measurements icru provides numerous guidelines for working with radiation. Prescribing, recording, and reporting photon beam therapy supplement to icru report 50 bratengeier k, pfreundner l, flentje m. Icru report 50 prescribing, recording, and reporting. Prescribing, recording and reporting photon beam therapy supplement to icru report 50. In icru report 62 icru, 1999 and report 83 icru, 2010, the itv was defined as an optional volume as the ctv plus an internal margin taking into account uncertainties in size, shape, and position of the ctv within the patient. Icru recommended dose and volume specification for. The need for the availability of a coherent vocabulary, recognized from local to international levels, has justified the publication, by the icru, of two reports related to external radiotherapy, the report 50 1993 and the report 62 1999. The different volumes, which need to be identified prior to any radiotherapy, are first defined. Proposed quantities of icru report committee 26 icrp symposium on radiological protection dosimetry tokyo, 18 february 2016 nolan e.
Reflecting the similarities between electron and photon treatments, the section on volumes in the present report is very similar to the section on volumes in reports 50 and 62, but evolutionary clarifications applicable. The icru 83 report was released in 2010 specifically addressing imrt and introducing some different concepts and plan. Radiation oncologyphysicsicru wikibooks, open books. Measurement quality assurance for ionizing radiation dosimetry icru report 76 the report is intended for individuals and organizations responsible for calibrations and measurements of ionizing radiation. If you continue browsing the site, you agree to the use of cookies on this website. Icru 8 report of the international commission on radiological units and measurements icru 1956 nbs 62 1957. Report 62 journal of the international commission on. How can the icru volume definitions be integrated in clinical practice. Icru 62 introduced itv to account for organ movements. Report of icru committee on volume and dose specification.
Materials and methods from 1991 to 1993 we employed a treatment chart based on the icru 29 report 3, and a first draft ver sion of icru 50 4. As introduced in the previous icru reports 50, 62, 71 and 78, several volumes related to both tumor and normal tissues have been defined for use in the treatmentplanning and report ing processes 1114. Clinical treatment planning in external photon beam radiotherapy. The icru 50 and 62 reports define and describe several target. By continuing to use our website, you are agreeing to our use of cookies. Measurement standards and applications, is the result of a specific request by the consultative committee on ionizing radiation and has strong links with previous icru reports on stopping powers of electrons and positrons. Icru report 62 prescribing, recording and reporting photon. Manual for staging of cancer, 5th edition, flem ing, 1. The dose at the point the icru reference point should always be reported as well as the maximum and minimum doses in the ptv. Specification for reporting interstitial brachytherapy icru recommended dose and volume specification for reporting interstitial brachytherapy ali s. International commission on radiation units and measurements icru report 90, key data for ionizingradiation dosimetry. This report seeks to promote the use of acommon language for specifying and reporting the doses in radiation therapy, as well as the volumes in which they are prescribed. Request pdf definition of volumes in external radiotherapy. From wikibooks, open books for an open world 62, 106109 1954 8.
Introduces the concept of conformity index ci gives information about how to classify organs at risk. Remarks on reporting and recording consistent with the. Icru report 62 supplement to icru report 50 gives more detailed recommendations on the different margins that must be considered to account for anatomical and geometrical variations and uncertainties. Report of icru committee on volume and dose specification for prescribing, reporting and recording in conformal and imrt a progress report. The report extends the concepts and recommendations for photons contained in icru reports 50 and 62 to electron beam therapy. The ptv is linked to the reference frame of the treatment.
Three important appendices are added to the report in order to help the reader apply the icru recommendations. Reports international commission on radiation units and. Reflecting the similarities between electron and photon treatments, the section on volumes in the present report is very similar to the section on volumes in reports 50 and 62, but evolutionary clarifications applicable to both modalities are presented. Selection and delineation of these volumes is an obligatory step.
Prescribing, recording and reporting photon beam therapy report 62 icru report 62 provides recommendations on the volumes and absorbed doses that are important in prescribing, recording and reporting photon beam therapy, utilizing the new and improved irradiation techniques that have become available since the publication of icru report 50 in. It is also expected to be of interest to agencies responsible for regulating radiological activities. International commissions on radiation units and measurements supplement to icru report 50. Volume containing those tissues that are to be irradiated to a specified absorbed. Introduces a conformity index ci gives information about how to classify organs at risk. Use the link below to share a fulltext version of this article with your friends and colleagues. Icru report 50 is suggesting several methods for the representation of a spatial dose distribution. The report supercedes part a of icru report 33 dealing with quantities and units for general use. International commission on radiation units and measurements. Icru reports 50 and 62 prescribing and achieving radiotherapy require accurate definitions of.
Dose prescription, reporting and recording in intensity. Icru 78, 2007 to integrate the new development in rt including electron and proton beams. The icru reports 50 and 62 provide specific information for guiding radiation treatment. Fundamental quantities and units for ionizing radiation report 60 this report is the latest in a long series of icru documents providing definitions for quantities and units employed in radiation science. Icru reports 50 and 62 a read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Report 62, we use cookies to enhance your experience on our website. Icru report 83, which discusses volumes and guidelines when performing imrt, advances some of these concepts further. History of icru standardization body set up in 1925 by the international congress of radiology icr. The arrow illustrates the influence of the organs at risk on. To develop and promulgate internationally accepted recommendations on radiation related quantities and units, terminology, measurement procedures, and reference data for the safe and efficient application of ionizing radiation to medical diagnosis and therapy, radiation science and technology, and radiation protection of individuals and populations. Hertel, david bartlett cochairs, icru report committee 26. A typical ex icru report 50 dealt with dose reporting in an ample of a tissue with a high relative seriality is individual patient.