Linked Life Data

17592460

Source:http://linkedlifedata.com/resource/pubmed/id/17592460

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2007-6-26
pubmed:abstractText
The goal of the present study was to develop a new dose-volume histogram (DVH)- based homogeneity index for effectively evaluating the dose homogeneity of intensity-modulated radiotherapy plans. The new index, called the sigma-index ("S-index") is defined as the standard deviation of the normalized differential DVH curve. In a study of 16 patients with brain tumors at our institution, the S-index was found to vary from 0.80 to 3.15. Our results showed that the S-index provides a more reliable and accurate measure of dose homogeneity than that given by conventional methods. A guideline for evaluating the dose homogeneity of treatment plans based on the S-index and its relation to equivalent uniform dose is discussed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
1526-9914
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
8
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
9-17
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
A new homogeneity index based on statistical analysis of the dose-volume histogram.
pubmed:affiliation
Research Institute and Hospital, National Cancer Center, Goyang, Korea. mxy131@ncc.re.kr
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't