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Tracking the dynamic seroma cavity using fiducial markers in patients treated with accelerated partial breast irradiation using 3D conformal radiotherapy
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10.1118/1.4788644
    + View Affiliations - Hide Affiliations
    Affiliations:
    1 Department of Radiation Oncology, The Cancer Institute of New Jersey, UMDNJ/Robert Wood Johnson Medical School, New Brunswick, New Jersey 08903
    2 Division of Surgical Oncology, The Cancer Institute of New Jersey, UMDNJ/Robert Wood Johnson Medical School, New Brunswick, New Jersey 08903
    3 Department of Biostatistics, The Cancer Institute of New Jersey, UMDNJ/School of Public Health, New Brunswick, NJ 08901
    4 Department of Radiation Oncology, The Cancer Institute of New Jersey, UMDNJ/Robert Wood Johnson Medical School, New Brunswick, New Jersey 08903
    a) Author to whom correspondence should be addressed. Electronic mail: goyalsh@umdnj.edu; Telephone: (732) 253-3929; Fax: (732) 253-3953.
    Med. Phys. 40, 021717 (2013); http://dx.doi.org/10.1118/1.4788644
/content/aapm/journal/medphys/40/2/10.1118/1.4788644
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/40/2/10.1118/1.4788644

Figures

Image of FIG. 1.
FIG. 1.

Axial computed tomography slices of a patient revealing the presence of four fiducial markers.

Image of FIG. 2.
FIG. 2.

Anterior–posterior and lateral paired kV images of a patient on treatment day 1.

Image of FIG. 3.
FIG. 3.

Seroma size and AiMD for all the patients on day of CT simulation. The seroma size was defined as the cubic root of seroma volume. Clear correlation can be observed with a value of 0.78.

Image of FIG. 4.
FIG. 4.

Change in average intermarker distance (AiMD) after simulation for all 34 patients. The markers represent the measurement data. A line is an exponential fit to the data for one patient.

Image of FIG. 5.
FIG. 5.

Percent change of seroma size over a course of treatment (from the CT simulation to completion of treatment).

Image of FIG. 6.
FIG. 6.

Percent of patients with a 20% and 10% change in seroma size (%) after simulation as a function of postsurgery days of CT simulation.

Tables

Generic image for table
TABLE I.

The correlation coefficents between seroma volume and various intermarker distance parameters, and between the cubic root of seroma volume and various intermarker distance parameters.

Generic image for table
TABLE II.

The change of ratio of seroma volume and cube of AiMD with time. The volume and AiMD are normalized to the values of the corresponding initial CT scan.

Generic image for table
TABLE III.

The AiMD and related fitting information for all the patients. SOT stands for start of treamtent and EOT for end of treatment.

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/content/aapm/journal/medphys/40/2/10.1118/1.4788644
2013-01-28
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tracking the dynamic seroma cavity using fiducial markers in patients treated with accelerated partial breast irradiation using 3D conformal radiotherapy
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/40/2/10.1118/1.4788644
10.1118/1.4788644
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