Two-year results of transabdominal ultrasound-guided brachytherapy for cervical cancer

Tharavichitkul, Ekkasit; Tippanya, Damrongsak; Jayavasti, Rungtip; Chakrabandhu, Somvilai; Klunklin, Pitchayaponne; Onchan, Wimrak; Wanwilairat, Somsak; Galalae, Razvan; Chitapanarux, Imjai

doi:10.1016/j.brachy.2014.11.001

Cited by 19 publications

(22 citation statements)

References 25 publications

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“…Doses to OARs (bladder and rectum) could be reduced. Disease response and adverse effects were comparable to those available in literature (6)(7)(8).…”

Section: Discussionsupporting

confidence: 72%

“…Statistically significant reduction in EQD2 at point A, ICRU 38 Bladder and Rectal points were achieved in the USG plans. The disease response rates and toxicity in our study were comparable to other studies with short follow up (6)(7)(8). The BEDs at bladder and rectal points were lower in our study compared to these.…”

Section: Tod Et Al Formulated the Manchester System In 1938supporting

confidence: 78%

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Ultrasound Image Based High Dose Rate (HDR) Brachytherapy in Locally Advanced Cancer Cervix

et al. 2017

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Background: Brachytherapy is an integral component of the definitive treatment of locally advanced cancer cervix. Cervical Brachytherapy has evolved from the time when dose prescription was largely empirical, to the image based conformal brachytherapy advocated by Groupe Europeen de Curie Therapie-European society for therapeutic radiology and oncology (GEC-ESTRO) and American brachytherapy society (ABS).

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“…Doses to OARs (bladder and rectum) could be reduced. Disease response and adverse effects were comparable to those available in literature (6)(7)(8).…”

Section: Discussionsupporting

confidence: 72%

Section: Tod Et Al Formulated the Manchester System In 1938supporting

confidence: 78%

Ultrasound Image Based High Dose Rate (HDR) Brachytherapy in Locally Advanced Cancer Cervix

et al. 2017

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“…The advent of image‐guided adaptive brachytherapy (IGABT) over the last decade has resulted in a pjmirodigm shift in the treatment approach to cervix cancer from point‐based dosimetry to volume‐based dosimetry. This has resulted in significant improvements to local control and reduced toxicity, Table . Previous reports have demonstrated that centres in Australia are adopting image‐guided protocols with an increase in the use of 3D imaging in brachytherapy planning from 27% in 2005 to 65% in 2009 .…”

Section: Introductionmentioning

confidence: 99%

“…This has resulted in significant improvements to local control and reduced toxicity, Table 1. [3][4][5][6][7][8][9][10][11][12][13][14][15][16] Previous reports have demonstrated that centres in Australia are adopting image-guided protocols with an increase in the use of 3D imaging in brachytherapy planning from 27% in 2005 to 65% in 2009. 17,18 The purpose of this survey was to explore the current patterns of practice for brachytherapy in cervix cancer in Australia and New Zealand.…”

Section: Introductionmentioning

confidence: 99%

Patterns of practice survey for brachytherapy for cervix cancer in Australia and New Zealand

et al. 2017

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Brachytherapy remains an integral component of definitive treatment for cervix cancer in Australia and New Zealand. There was increased use of soft tissue imaging modalities with emphasis on verification; high rates of volumetric planning, and adherence to a defined overall treatment period. Brachytherapy was not substituted with other EBRT modalities. Despite this, there remain barriers to implementation of image-guided brachytherapy.

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“…The application of postoperative magnetic resonance imaging (MRI) is mainly for determining the locations of tumors and implanters, delineating the target areas, and calculating treatment plans. Reports on US‐guided brachytherapy for cervical cancer are rare, and most of them are limited to using US to determine the position of the intrauterine tube, but to our knowledge, US‐guided parametrial implantation has not been reported. In this study, extensive research and statistical work on US‐guided parametrial implantation was performed, and the differences and consistency between US and MRI in determining the positions of parametrial implantation needles were compared to evaluate the accuracy of US in determining the positions of parametrial implants.…”

mentioning

confidence: 99%

Clinical Application of Ultrasound Guidance for Parametrial Treatment of Advanced Cervical Cancer

Lin

Cheng

Shi

et al. 2019

J of Ultrasound Medicine

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Objectives-To evaluate the accuracy of ultrasound (US) in determining the positions of parametrial implants by comparing US with magnetic resonance imaging (MRI) for advanced cervical cancer.Methods-Patients undergoing brachytherapy with parametrial implantation for cervical cancer from February 2017 to February 2019 were involved in the study. The transverse section of the cervix (surface S 1 ) and the transverse section 1 cm above the external cervix (surface S 2 ) were selected from MRI and US images as the observation planes. In the MRI observation plane, the distances between the uterine titanium needles and the uterine tube/implanter were set as M 1 to M 4 ; in the US observation plane, the distances between the uterine titanium needles and the uterine tube/implanter were set as D 1 to D 4 . The differences and consistency in M and D of each group were then compared.Results-There were no significant differences between M and D in each group (P = .058; P = .821; P = .870; and P = .936, respectively). The intraclass correlation coefficients of M and D in each group were 0.970, 0.968, 0.952, and 0.956. A regression analysis showed that the relationships between M and D in each group were as follows: M 1 = 0.9449D 1 + 0.1812; M 2 = 0.9463D 2 + 0.0965; M 3 = 0.9176D 3 + 0.1233; and M 4 = 0.9253D 4 + 0.1224.Conclusions-In parametrial brachytherapy for cervical cancer, US can accurately determine the positions of parametrial implantation needles, which is already applicable on MRI, and can provide assistance in parametrial brachytherapy for advanced cervical cancer.

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Two-year results of transabdominal ultrasound-guided brachytherapy for cervical cancer

Cited by 19 publications

References 25 publications

Ultrasound Image Based High Dose Rate (HDR) Brachytherapy in Locally Advanced Cancer Cervix

Ultrasound Image Based High Dose Rate (HDR) Brachytherapy in Locally Advanced Cancer Cervix

Patterns of practice survey for brachytherapy for cervix cancer in Australia and New Zealand

Clinical Application of Ultrasound Guidance for Parametrial Treatment of Advanced Cervical Cancer

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