Palliative radiotherapyVolumetric modulated arc therapyOncologyAdjuvantStereotacticPelvicRadiation therapyBladderClinicalVMATPatients treatedSystematicFractionTreatmentTotalCalculated basedCasesRandomStudyCancerDifferenceTimePostoperativeExternal beam radiothAdjuvant radiotherapyPhase iii randomized trialComputed tomographyProstateNeoadjuvantRecurrenceIMRTDosimetricRadiationSmallDaily
Palliative radiotherapy2
- However, for women with distant metastatic disease at presentation, cure is unlikely, although palliative radiotherapy frequently improves a patient's quality of life when used to relieve symptoms. (medscape.com)
- She has received Palliative Chemotherapy, Palliative Radiotherapy and supportive care.The total cost of the treatment is expected to be Rs one lac. (daijiworld.com)
Volumetric modulated arc therapy1
- Materials and Methods: Daily position setup errors from 10 patients treated with volumetric modulated arc therapy (VMAT) were acquired with cone-beam computed tomography (CBCT). (tmu.edu.tw)
Oncology3
- The subspecialty of oncology concerned with radiotherapy is called radiation oncology. (wikipedia.org)
- Radiotherapy and Oncology. (wustl.edu)
- European Society for Radiotherapy and Oncology and European Organisation for Research and Treatment of Cancer consensus on re-irradiation: definition, reporting, and clinical decision making. (au.dk)
Adjuvant3
- Images show initial anteroposterior (AP, left) and lateral (right) fields used for postoperative adjuvant pelvic external-beam radiotherapy in a patient with stage IC grade 2 adenocarcinoma of the endometrium who underwent hysterectomy. (medscape.com)
- Although adjuvant radiotherapy is commonly used to manage advanced or metastatic cervical and endometrial cancer, it is sometimes administered as adjuvant therapy for ovarian cancer. (medscape.com)
- To compare the dosimetry and reproducibility of set-up with monoisocentric technique (MIT) and dual isocentric technique (DIT) in adjuvant breast radiotherapy (RT). (cambridge.org)
Stereotactic1
- Clinical outcomes after stereotactic ablative radiotherapy in locally advanced cholangiocarcinoma. (au.dk)
Pelvic2
- Pelvic radiotherapy is associated with both an overall higher setup uncertainty in patient positioning and uncertainties due to potential internal organ motion (e.g. uterus, rectum, prostate), thus necessitating wide PTV margins. (biomedcentral.com)
- Pelvic radiotherapy was delivered in 48 cases, 8 patients were treated with pelvic and extended field radiotherapy because of paraaortic lymph node metastases. (biomedcentral.com)
Radiation therapy2
- Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant cells. (wikipedia.org)
- Eliminating Tattoos for Short Course Palliative Radiation Therapy: Set-up Error, Satisfaction and Cost - Joanna Javor, MHSc. (utoronto.ca)
Bladder3
- There was no difference in the dosimetric indices for the bladder and rectum. (tmu.edu.tw)
- The EUD and NTCP for the bladder and rectum did not statistically differ. (tmu.edu.tw)
- In the setting of reducing the PTV margin to 5 mm, the dose to the prostate was compromised without IGRT but the estimated toxicity to the rectum and bladder exhibited no difference. (tmu.edu.tw)
Clinical2
- In this study, we evaluate the performance of implemented DC models in the clinical radiotherapy (RT) planning workflow and report on user experience. (biomedcentral.com)
- Manual contouring of organs at risk (OAR) and clinical target volumes (CTV) is an essential task in radiotherapy (RT) planning. (biomedcentral.com)
VMAT1
- Conclusions: Using CBCT-acquired VMAT for treating prostate cancer not only shortened the treatment time but also decreased the setup uncertainty. (tmu.edu.tw)
Patients treated1
- To analyze setup deviations using daily megavoltage computed tomography (MVCT) and to evaluate three MVCT frequency reducing protocols for gynecologic cancer patients treated with helical tomotherapy. (biomedcentral.com)
Systematic4
- Systematic and random errors were calculated on a patient and population basis. (biomedcentral.com)
- In this study we investigated the feasibility of reducing the frequency of MVCT scans for patients with gynecological tumors by determining patient and population based systematic and random errors. (biomedcentral.com)
- The systematic (Σ) and random (σ) errors for each sub-CTV are presented in Table 1. (estro.org)
- Treatment reproducibility was assessed in terms of systematic and random error. (cambridge.org)
Fraction1
- We shifted the isocenters in the planning system with errors, fraction by fraction, to simulate the situation without IGRT. (tmu.edu.tw)
Treatment2
- For a curative radiotherapy or chemoradiation an adequate treatment of the CTV is essential. (biomedcentral.com)
- The MVCT of HT allows a daily patient setup verification and correction prior to each treatment, but the scan acquisition, matching with the KV-planning CT and patient repositioning takes significant additional time, depending on the image scan length. (biomedcentral.com)
Total1
- The maximum total error was 1 cm in lateral for supraclavicular field and 8 mm in superior-inferior in tangents for both techniques. (cambridge.org)
Calculated based1
- When examining the additional minimal CTV-PTV setup margins that were calculated based on these residual deviations, the 505 protocol would have allowed smaller margins than the FFF and FTF protocol, particularly in the V direction. (biomedcentral.com)
Cases1
- Postoperative radiotherapy is reserved for cases in which histopathologic analysis of the removed specimen reveals features suggesting a high risk for local recurrence. (medscape.com)
Random1
- Results : The system errors (Σ) and random errors (σ) in the left-right (LR), superiorinferior (SI), and anterior-posterior (AP) directions were Σ LR=1.4 mm, σ LR= 1.95 mm, Σ SI =3.22 mm, σ SI = 2.46 mm, Σ AP=3.17 mm and σ AP = 2.79 mm. (tmu.edu.tw)
Study2
- This study is one of the few studies comparing MIT with DIT in terms of the dosimetry and the first one to compare set-up errors between the two techniques. (cambridge.org)
- The aim of this study was to find the optimal radiotherapy (RT) method using three-dimensional (3D) conformal RT (CRT), physical wedge-based CRT (WB-CRT) and dynamic intensity-modulated RT (D-IMRT) techniques for stomach cancer. (cambridge.org)
Cancer2
- We recorded the setup errors of 56 patients with gynecological cancer observed throughout their whole course by matching their daily MVCT with the planning CT. (biomedcentral.com)
- The cancer occurs in any part of the large bowel (colon or rectum), with one in 13 women developing the cancer before the age of 85. (sonichealthplus.com.au)
Difference1
- There was no difference in set-up errors between the two techniques. (cambridge.org)
Time1
- Real-time dose-guidance in radiotherapy: Proof of principle. (au.dk)
Postoperative5
- 15. Dosimetric impact of rotational setup errors in volumetric modulated arc therapy for postoperative cervical cancer. (nih.gov)
- 24% of patients received postoperative radiotherapy. (medscape.com)
- Images show initial anteroposterior (AP, left) and lateral (right) fields used for postoperative adjuvant pelvic external-beam radiotherapy in a patient with stage IC grade 2 adenocarcinoma of the endometrium who underwent hysterectomy. (medscape.com)
- Postoperative radiotherapy is reserved for cases in which histopathologic analysis of the removed specimen reveals features suggesting a high risk for local recurrence. (medscape.com)
- With the five individuals, a number of received unfavorable https://www.selleck.co.jp/products/tasquinimod.html activities, one had intraoperative bleeding, two sufferers experienced delayed blood loss, and yet another one had postoperative temperature along with rectum stricture postoperatively. (faksignaling.com)
External beam radioth1
- Besides active surveillance for highly selected groups of patients (very low-risk/low-risk and certain favorable intermediate-risk), commonly used definitive treatment modalities include radical prostatectomy, external beam radiotherapy (EBRT) and brachytherapy [ 3 ]. (biomedcentral.com)
Adjuvant radiotherapy2
- 48% of patients received neoadjuvant or adjuvant radiotherapy and/or chemotherapy. (medscape.com)
- Although adjuvant radiotherapy is commonly used to manage advanced or metastatic cervical and endometrial cancer, it is sometimes administered as adjuvant therapy for ovarian cancer. (medscape.com)
Phase iii randomized trial1
- Impact of Interfractional Bladder and Trigone Displacement and Deformation on Radiation Exposure and Subsequent Acute Genitourinary Toxicity: A Post-Hoc Analysis of Patients Treated with MRI-guided Prostate Stereotactic Body Radiotherapy in a Phase III Randomized Trial. (ucla.edu)
Computed tomography3
- 9. Dosimetric effect of intrafraction motion and residual setup error for hypofractionated prostate intensity-modulated radiotherapy with online cone beam computed tomography image guidance. (nih.gov)
- 19. Vector analysis of prostate patient setup with image-guided radiation therapy via kV cone beam computed tomography. (nih.gov)
- Magnetic resonance imaging (MRI)-guided radiotherapy has multiple potential advantages over standard computed tomography (CT)-guided radiotherapy, including enhanced prostate visualization (abrogating the need for fiducials and MRI fusion), enhanced identification of the urethra, the ability to track the prostate in real-time, and the capacity to perform online adaptive planning. (biomedcentral.com)
Prostate8
- ABSTRACT: We report a case of biopsy-proven prostate cancer metastasis to the rectum and presumed metastasis to a mesorectal lymph node, identified as radiotracer-avid lesions on prostate-specific membrane antigen PET/CT during workup for biochemically recurrent prostate cancer. (bvsalud.org)
- 1. Evaluation of the dosimetric influence of interfractional 6D setup error in hypofractionated prostate cancer treated with IMRT and VMAT using daily kV-CBCT. (nih.gov)
- 12. Cone beam CT-based dose accumulation and analysis of delivered dose to the dominant intraprostatic lesion in primary radiotherapy of prostate cancer. (nih.gov)
- 14. Probabilistic dose distribution from interfractional motion in carbon ion radiation therapy for prostate cancer shows rectum sparing with moderate target coverage degradation. (nih.gov)
- 16. Dosimetric and volumetric changes in the rectum and bladder in patients receiving CBCT-guided prostate IMRT: analysis based on daily CBCT dose calculation. (nih.gov)
- 18. Impact of dose distribution on rotational setup errors in radiotherapy for prostate cancer. (nih.gov)
- Five fractions of 8 Gy will be delivered to the prostate over the course of fourteen days, with or without hormonal therapy and elective nodal radiotherapy (to a dose of 5 Gy per fraction) as per the investigator's discretion. (biomedcentral.com)
- LUNAR: a randomized Phase 2 study of 177 Lutetium-PSMA Neoadjuvant to Ablative Radiotherapy for Oligorecurrent Prostate Cancer (clinical trial protocol). (ucla.edu)
Neoadjuvant1
- Cite this: Adjuvant and Neoadjuvant Radiotherapy for Bladder Cancer: Revisited - Medscape - Jul 01, 2010. (medscape.com)
Recurrence1
- Secondary clinical endpoints include incidence of acute grade ≥ 2 gastrointestinal (GI) toxicity, 5-year cumulative incidences of physician-reported late grade ≥ 2 GU and GI toxicity, temporal changes in patient-reported quality of life (QOL) outcomes, 5-year biochemical recurrence-free survival and the proportion of fractions of MRI-guided SBRT in which online adaptive radiotherapy is used. (biomedcentral.com)
IMRT2
- 2. Assessment of dosimetric impact of interfractional 6D setup error in tongue cancer treated with IMRT and VMAT using daily kV-CBCT. (nih.gov)
- A deep-neural-network (DNN) was successfully used to predict clinically-acceptable dose distributions from organ contours for intensity-modulated radiotherapy (IMRT). (scite.ai)
Dosimetric3
- 4. Dosimetric influences of rotational setup errors on head and neck carcinoma intensity-modulated radiation therapy treatments. (nih.gov)
- 8. Set-up error and dosimetric analysis of HexaPOD evo RT 6D couch combined with cone beam CT image-guided intensity-modulated radiotherapy for primary malignant tumor of the cervical spine. (nih.gov)
- Multi-center multi-vendor evaluation of dose volume histogram creation consistencies for eight commercial radiotherapy dosimetric systems. (ucla.edu)
Radiation4
- 17. An image-guided study of setup reproducibility of postmastectomy breast cancer patients treated with inverse-planned intensity modulated radiation therapy. (nih.gov)
- Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant cells. (wikipedia.org)
- The subspecialty of oncology concerned with radiotherapy is called radiation oncology. (wikipedia.org)
- However, the frequent event time of cardiac dying and also the connection in between cardiac-specific fatality rate (CSM) as well as lung lobes amid non-elderly non-small cellular united states (NSCLC) sufferers after radiation treatment or radiotherapy (RT) tend to be unsure. (faksignaling.com)
Small2
- However, this approach results in irradiation of a large target volume, encompassing significant amounts of a small bowel and rectum. (medscape.com)
- The network was able to generate fluence maps with small errors. (scite.ai)
Daily1
- 10. Assessment of setup uncertainties for various tumor sites when using daily CBCT for more than 2200 VMAT treatments. (nih.gov)