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CZECH MEDICAL ASSOCIATION J. Ev. PURKYNĚ |
| Journals - Article | |
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| Česky / Czech version | Čes. Radiol., 56, 2002, No. 1, p. 43-47 |
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Distribution of the Radiotherapeutic Dose in Patients with Metal Implants - Application of the Monte Carlo
Method Kulhavý M., Nováková P., Stankuš P., Gregora P., Šejdová M., Kovařík J.: Klinika radioterapie a onkologie 3. LF UK, FN Královské Vinohrady, Praha, přednosta doc. MUDr. Josef Kovařík Oddělení klinické hematologie, FN Královské Vinohrady, Praha, primář MUDr. Tomáš Kozák |
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Summary: The authors applied the Monte Carlo method for the calculation of the absorbed dose of high-energy
photon beam in tissue with metal material. Two materials were used - iron and titanium - and two
beam energies - 6 MV and 16 MV. The dose elevation at the proximal junction water-metal is 30% at
most and drops sharply within a few proximal millimetres. Except iron and high energy beam, the
dose shadow developed in all other combinations.
The calculated dose inhomogeneity, rather mild and limited in volume, can be further decreased by
various means. The risk of properly indicated radiotherapy is therefore minimal in similar circum-
stances.
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