Helical tomotherapy for duodenal adenocarcinoma in an elderly patient: A case report

doi:10.4251/wjgo.v9.i2.94

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World Journal of Gastrointestinal Oncology

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Case Report

World J Gastrointest Oncol. Feb 15, 2017; 9(2): 94-97
Published online Feb 15, 2017. doi: 10.4251/wjgo.v9.i2.94

Table 1 Planning target volume coverage

	HT PTV
D90%	49.27 Gy
D95%	48.76 Gy
D50%	50.61 Gy
D2%	51.5 Gy
V107	0 Gy
HI	0.96

HT: Helical tomotherapy; PTV: Planning target volume; HI: Homogeneity index; Gy: Gray.

Full Size Table

Table 2 Organs at risk dosimetry for helical tomotherapy

	Constraints	HT
Right kidney
V12 Gy	< 55%	5.6%
V20 Gy	< 32%	1.3%
V23 Gy	< 30%	0.7%
V28 Gy	< 20%	0.2%
Dmean	15-18 Gy	6.10 Gy
Left kidney
V12 Gy	< 55%	22%
V20 Gy	< 32%	0%
V23 Gy	< 30%	0%
V28 Gy	< 20%	0%
Dmean	15-18 Gy	8.9 Gy
Liver
V30 Gy	< 30%	0%
Dmean	< 28 Gy	5.32 Gy

HT: Helical tomotherapy; Dmean: Mean dose; Gy: Gray.

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Citation: Lancellotta V, Russo G, Lupattelli M, Iacco M, Perrucci E, Zucchetti C, Falcinelli L, Aristei C. Helical tomotherapy for duodenal adenocarcinoma in an elderly patient: A case report. World J Gastrointest Oncol 2017; 9(2): 94-97
URL: https://www.wjgnet.com/1948-5204/full/v9/i2/94.htm
DOI: https://dx.doi.org/10.4251/wjgo.v9.i2.94