Single-Arc Volumetric Modulated Arc Therapy Planning for Left Breast Cancer and Regional Nodes | Zendy

A. Sakumi | Zendy; Kenshiro Shiraishi | Zendy; Tsuyoshi Onoe | Zendy; Kentaro Yamamoto | Zendy; Akihiro Haga | Zendy; Kiyoshi Yoda | Zendy; Kuni Ohtomo | Zendy; Keiichi Nakagawa | Zendy

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Single-Arc Volumetric Modulated Arc Therapy Planning for Left Breast Cancer and Regional Nodes

Author(s) -

A. Sakumi,

Kenshiro Shiraishi,

Tsuyoshi Onoe,

Kentaro Yamamoto,

Akihiro Haga,

Kiyoshi Yoda,

Kuni Ohtomo,

Keiichi Nakagawa

Publication year - 2012

Publication title -

journal of radiation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.643

H-Index - 60

eISSN - 1349-9157

pISSN - 0449-3060

DOI - 10.1269/jrr.11159

Subject(s) - multileaf collimator , arc (geometry) , collimator , nuclear medicine , radiation treatment planning , medical physics , medicine , radiation therapy , computer science , mathematics , radiology , physics , optics , geometry

We have successfully created a single arc volumetric modulated arc therapy (VMAT) plan for treating post-surgical left breast/chest wall and regional nodes using Elekta multileaf collimator (MLC). Dose volume histograms (DVHs) were compared between the VMAT plans and conventional tangential beam plans using a field-in-field technique, leading to significant DVH advantages in the VMAT plans. The difference between Elekta VMAT and Varian RapidArc due to different MLC designs was discussed in terms of the number of arcs required to cover a large target, highlighting a single arc capability of Elekta VMAT for a large target volume which may be less sensitive to unexpected organ motion during dose delivery.

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