Description Usage Arguments Value References
Function that calculates the value of Equivalent Uniform Dose (EUD) for a dvhmatrix
object. The
formula to compute the equivalent uniform dose
is
EUD=(Sum(Di^a * Vi/Vtot))^(1/a)
where i is the counter of volume bins in the structure and a is the parameter that relates the organs response to the serial or parallel physiological function of the organ. Usually parallel structures are organs that can suffer depletion of functional subunits up to a given threshold, as liver, lungs or kidneys. They are more sentitive to mean dose rather than hot spots and maximum dose levels delivered to the structure. On the other hand serial structures are organs more sensitive to hot-spots delivered in the volume, such as spinal cord.
1 | DVH.eud(dvh, a = 1)
|
dvh |
A |
a |
Value for parallel-serial correlation in radiobiological response |
A vector containing the values of EUD(s) for the given DVH(s)
Niemierko A. Reporting and analyzing dose distributions: a concept of equivalent uniform dose. Med Phys. 1997 Jan;24(1):103-10. PubMed PMID: 9029544.
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