Internal Dosimetry: State of the Art and Research Needed

Internal dosimetry is a discipline which brings together set of knowledge, tools and procedures for calculating the dose received after incorporation radionuclides into body. Several steps are necessary to calculate committed effective (CED) workers or members public. Each step uses best available knowledge in field radionuclide biokinetics, energy deposition organs tissues, efficiency radiation cause stochastic effect, contributions individual tissues overall detriment from radiation. In all these fields, abundant supported by many works initiated several decades ago. That makes CED very robust quantity, representing exposure reference persons situation be used optimization assessment compliance with limits. However, suffers certain limitations, accepted International Commission on Radiological Protection (ICRP) reasons simplification. Some its limitations deserve overcome ICRP continuously working this. Beyond efforts make an even more reliable precise tool, there increasing demand personalized dosimetry, particularly medical field. To respond this demand, currently can adjusted. would require coupling better risk, then have consider physiology concerned but also their lifestyle history. Dosimetry risk closely linked only developed parallel. This paper presents state art internal both develop other dosimetric quantities, it possible approximate dose.