Skin dose assessment in interventional radiology. 2021

Joël Greffier, and Djamel Dabli, and Julien Frandon, and Jean Paul Beregi
Department of Medical Imaging, Nimes University Hospital, Univ Montpellier, Medical Imaging Group Nimes, EA 2415, France. Electronic address: joel.greffier@chu-nimes.fr.

For long, complex procedures in interventional radiology (IR) or in interventional cardiology (IC), the skin dose can be high and induce skin injuries. To improve patient follow-up, it is essential to measure and locate the peak skin dose (PSD). PSD can be measured using dosimeters or computed by skin dose calculation software solutions. Recently, a study was published (e.g. Malchair F et al Phys Med 2020; 80:75-83) listing all the software solutions developed and available and compared them in operation as regards accuracy of the calculated PSD and generated dose map. Similarities and differences exist between these different software packages, which are discussed here. The accuracy of PSD calculated on phantom studies with these software solutions are within ± 25% and poorer in patient studies. Improvements are therefore required for manufacturers of both software and IR systems. The medical physicists also have an important role to play in setting up and monitoring the dose in these software solutions to ensure the accuracy of the calculated PSD.

UI MeSH Term Description Entries
D011829 Radiation Dosage The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plants or animal. In RADIOTHERAPY, radiation dosage is expressed in gray units (Gy). In RADIOLOGIC HEALTH, the dosage is expressed by the product of absorbed dose (Gy) and quality factor (a function of linear energy transfer), and is called radiation dose equivalent in sievert units (Sv). Sievert Units,Dosage, Radiation,Gray Units,Gy Radiation,Sv Radiation Dose Equivalent,Dosages, Radiation,Radiation Dosages,Units, Gray,Units, Sievert
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000072232 Radiation Dosimeters Devices that measure exposure to IONIZING RADIATION. Dosimeters,Radiation Dosimeter,Dosimeter,Dosimeter, Radiation,Dosimeters, Radiation
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
D012984 Software Sequential operating programs and data which instruct the functioning of a digital computer. Computer Programs,Computer Software,Open Source Software,Software Engineering,Software Tools,Computer Applications Software,Computer Programs and Programming,Computer Software Applications,Application, Computer Software,Applications Software, Computer,Applications Softwares, Computer,Applications, Computer Software,Computer Applications Softwares,Computer Program,Computer Software Application,Engineering, Software,Open Source Softwares,Program, Computer,Programs, Computer,Software Application, Computer,Software Applications, Computer,Software Tool,Software, Computer,Software, Computer Applications,Software, Open Source,Softwares, Computer Applications,Softwares, Open Source,Source Software, Open,Source Softwares, Open,Tool, Software,Tools, Software
D015642 Radiology, Interventional Subspecialty of radiology that combines organ system radiography, catheter techniques and sectional imaging. Interventional Radiology
D019047 Phantoms, Imaging Devices or objects in various imaging techniques used to visualize or enhance visualization by simulating conditions encountered in the procedure. Phantoms are used very often in procedures employing or measuring x-irradiation or radioactive material to evaluate performance. Phantoms often have properties similar to human tissue. Water demonstrates absorbing properties similar to normal tissue, hence water-filled phantoms are used to map radiation levels. Phantoms are used also as teaching aids to simulate real conditions with x-ray or ultrasonic machines. (From Iturralde, Dictionary and Handbook of Nuclear Medicine and Clinical Imaging, 1990) Phantoms, Radiographic,Phantoms, Radiologic,Radiographic Phantoms,Radiologic Phantoms,Phantom, Radiographic,Phantom, Radiologic,Radiographic Phantom,Radiologic Phantom,Imaging Phantom,Imaging Phantoms,Phantom, Imaging

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