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X-ray Activated Optical Contrast Agents for Simultaneous Anatomical/Functional CT Imaging by G. Pratx; C.M. Carpenter; C. Sun; R. Rao; L. Xing is a Medicine article available to read on EtoBox.

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we retrospectively reviewed data from 105 patients who underwent simulation with PET/CT were treated with RT in a single institution. The following variables were collected: gender; tumor site; clinical target volume (CTV) defined with CT without PET and with PET/CT. Descriptive analysis were made using simple frequencies and percentages tables, with calculation of descriptive measures such as mean, standard deviation (SD), median and interquartile range (IQR). The package MedCalc, version 9.6.4.0 (Mariakerke, Belgium) was used for statistical analysis. The Kolmogorov-Smirnov test was used to verify the normality of the distribution of numerical variables. As the samples were paired comparisons between groups were made by VTC Wilcoxon test. Categorical variables were compared by chi-square test. Results: There were 46 male and 59 female patients. Treated sites were lung (n = 23), lymphoma (n = 12), head and neck (n = 30), high gastrointestinal tract (n = 11), low gastrointestinal tract (n = 9), genitourinary tract (n = 4), breast (n = 4), gynecological tract (n = 6) and others (n = 6). PET/CT changed 77.1% of the treatment plannings (39% increase and 38.1% decrease in CTV volumes)

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Author

G. Pratx; C.M. Carpenter; C. Sun; R. Rao; L. Xing

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0360-3016)

Published

2010

Language

EN

Field

Medicine (Health Sciences)