Use of megavoltage computed tomography with image registration for high–dose rate treatment planning of an oral tongue cancer using a custom oral mold applicator with embedded lead shielding

Libby, Bruce; Sheng, Ke; McLawhorn, R; McIntosh, Alyson; Ausdal, Ray G. Van; Martof, Andrew; Read, Paul W.

doi:10.1016/j.brachy.2011.01.007

Cited by 7 publications

(4 citation statements)

References 25 publications

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“…This software can use a new imaging modality registration method, such as deformable registration, and registration between the imaging modality and dose distribution data of brachytherapy [15]. We imported the CT and MRI datasets and dose distribution curves from the Oncentra ® brachy, and the treatment plans were summed (Fig.…”

Section: Methodsmentioning

confidence: 99%

Three-dimensional image-based high-dose-rate interstitial brachytherapy for mobile tongue cancer

Yoshida

Takenaka

Akiyama

et al. 2013

Journal of Radiation Research

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To investigate the influence of a 3D image-based treatment-planning method for high-dose-rate interstitial brachytherapy (HDR-ISBT) for mobile tongue cancer, we analyzed dose–volume histogram results for the clinical target volume (CTV) and the mandible. Between October 2010 and November 2011, one and four patients having T2 and T3 tumors, respectively, were treated with HDR-ISBT. Multiplane implantation using 9–15 treatment applicators was performed. Lugol's iodine staining, metal markers, ultrasonography, and magnetic resonance imaging were used to identify the contours of the gross tumor volume (defined as the CTV). The results of the image-based treatment plan were compared with those of the conventional simulated plan on the basis of a reference point 5 mm from the applicator position. The mean D90(CTV) and V100(CTV) were 112% of the prescribed dose (PD) and 98.1%PD, respectively, for the image-based plan, and 113%PD and 97.2%PD, respectively, for the conventional plan. The median CTVref/Vref was 0.23 for the image-based plan and 0.16 for the conventional plan (P = 0.01). The mean D0.1 cm3 (mandible), D1 cm3 (mandible), and D2 cm3 (mandible) were 80.1%PD, 62.5%PD, and 55.7%PD, respectively, for the image-based plan, and 109.1%PD (P = 0.02), 82.4%PD (P = 0.005), and 74%PD (P = 0.004), respectively, for the conventional plan). Image-based treatment planning may achieve high-conformity radiotherapy for the CTV and decrease irradiated doses to the mandible.

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Section: Methodsmentioning

confidence: 99%

Three-dimensional image-based high-dose-rate interstitial brachytherapy for mobile tongue cancer

Yoshida

Takenaka

Akiyama

et al. 2013

Journal of Radiation Research

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“…Libby et al [ 8 ] reported the using MVCT for a lateral oral tongue cancer. A patient was treated with HDR brachytherapy using an oral applicator with embedded lead shielding making conventional simulation, using either kVCT or radiographs, impossible because of scatter artifact.…”

Section: Discussionmentioning

confidence: 99%

“…The patient tolerated the treatment well, with no evidence of disease 6 months after treatment. This report showed the use of MVCT for with image registration allowed treatment planning in the presence of lead shielding [ 8 ].…”

Section: Discussionmentioning

confidence: 99%

The using of megavoltage computed tomography in image-guided brachytherapy for cervical cancer: a case report

et al. 2015

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“…Beyond prostate, breast, and gynecologic applications, HDR brachytherapy has been used for treatments of the pituitary, 58 external auditory canal, 59 upper gum, 60 tongue, 61 , 62 ethmoid sinus sarcoma, 63 stomal recurrences of laryngeal tumors, 64 other sites of the head and neck, 65 – 68 spine, 69 liver, 70 colorectal endoscopic brachytherapy, 71 , 72 and extremity sarcomas.…”

Section: Introductionmentioning

confidence: 99%

Review of advanced catheter technologies in radiation oncology brachytherapy procedures

Zhou

Zamdborg

Sebastian

2015

CMAR

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The development of new catheter and applicator technologies in recent years has significantly improved treatment accuracy, efficiency, and outcomes in brachytherapy. In this paper, we review these advances, focusing on the performance of catheter imaging and reconstruction techniques in brachytherapy procedures using magnetic resonance images and electromagnetic tracking. The accuracy of catheter reconstruction, imaging artifacts, and other notable properties of plastic and titanium applicators in gynecologic treatments are reviewed. The accuracy, noise performance, and limitations of electromagnetic tracking for catheter reconstruction are discussed. Several newly developed applicators for accelerated partial breast irradiation and gynecologic treatments are also reviewed. New hypofractionated high dose rate treatment schemes in prostate cancer and accelerated partial breast irradiation are presented.

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Use of megavoltage computed tomography with image registration for high–dose rate treatment planning of an oral tongue cancer using a custom oral mold applicator with embedded lead shielding

Cited by 7 publications

References 25 publications

Three-dimensional image-based high-dose-rate interstitial brachytherapy for mobile tongue cancer

Three-dimensional image-based high-dose-rate interstitial brachytherapy for mobile tongue cancer

The using of megavoltage computed tomography in image-guided brachytherapy for cervical cancer: a case report

Review of advanced catheter technologies in radiation oncology brachytherapy procedures

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