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Total 4460783 results found since Jan 2013.
Radiobiological doses, tumor, and treatment features influence on local control, enucleation rates, and survival after epiescleral brachytherapy. A 20-year retrospective analysis from a single-institution: part I.
Conclusions: The results show as predictive factors of local control, enucleation, and disease-specific survival rates those related with the features of the tumor, specifically the longest basal dimension. There is no clear relation between radiobiological doses or treatment parameters in patients after brachytherapy.
PMID: 30237817 [PubMed]
Source: Journal of Contemporary Brachytherapy - September 22, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Clinical and dosimetric consequences of imperfect applicator insertion in cervical cancer brachytherapy.
Conclusions: Pre-planning by imaging is suggested in all cases of brachytherapy. Insertion of adequate length of tandem aligned to uterine axis is warranted for adequate tumor coverage. Whenever detected, acute anteflexion and mobile retroversion should be corrected. Tandem inserted in retroverted direction in uncorrectable retroverted uterus generates acceptable dose volume parameters. In cases with obstructive cervical mass, good subsequent insertion is possible with acceptable dose volume parameters, if planned dose can be delivered to its 60% volume.
PMID: 30237816 [PubMed]
Source: Journal of Contemporary Brachytherapy - September 22, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Plan reproducibility of intraoperatively custom-built linked seeds compared to loose seeds for prostate brachytherapy.
Conclusions: The plan reproducibility of the linked seed group was better than that of the loose seed group. Moreover, the linked seed group showed less migration and lower rectal dose.
PMID: 30237812 [PubMed]
Source: Journal of Contemporary Brachytherapy - September 22, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Pre-implant magnetic resonance and transrectal ultrasound imaging in high-dose-rate prostate brachytherapy: comparison of prostate volumes, craniocaudal extents, and contours.
Conclusions: Our results demonstrate the importance of a multiprofessional approach to TRUS-guided HDR prostate brachytherapy. Specific training in MR and US prostate imaging is recommended for centers that are unfamiliar with HDR prostate brachytherapy.
PMID: 30237811 [PubMed]
Source: Journal of Contemporary Brachytherapy - September 22, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Dose coverage comparison between "interstitial catheter-only" and "hybrid intracavitary-interstitial brachytherapy" for early stage squamous cell carcinoma of the buccal mucosa.
Conclusions: The HBT approach appears to enable improved dose coverage of irregular-shaped enoral tumor volumes compared to ISBT-only for patients with early stage BSCC.
PMID: 30479628 [PubMed]
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
An automated dose verification software for brachytherapy.
Conclusions: With minimal human-computer interactions, the DVS can verify the accuracy of doses calculated by the TPS.
PMID: 30479626 [PubMed]
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Single fraction computed tomography-guided high-dose-rate brachytherapy or stereotactic body radiotherapy for primary and metastatic lung tumors?
Conclusions: Brachytherapy plans showed significant higher GTV mean dose compared to MB- and RO-SBRT (122.2 Gy vs. 50.4 and 44.7 Gy, p < 0.05), and better dose gradient index (R50) = 2.9 vs. 4.3 and 8.4 for MB- and RO-SBRT, respectively. Dose constraints per the RTOG 0915 protocol were achieved for all critical organs except chest wall in BRT. All other dose-volume histograms (DVH) metrics are comparable between BRT and SBRT. Treatment delivery time of BRT and SBRT plans significantly increased and decreased with increasing GTV size, respectively. SBRT using advanced MLC tracking technique and non-coplanar VMAT can achi...
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Interstitial brachytherapy in soft tissue sarcoma: a 5 years institutional experience with Cobalt 60-based high-dose-rate brachytherapy system.
Conclusions: Combination of surgery and ISBT with/out EBRT improves local and distant control with acceptable late toxicities. 60Co-based ISBT is safe and gives a good outcome.
PMID: 30479620 [PubMed]
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Predicting pubic arch interference in permanent prostate brachytherapy based on the specific parameters derived from nuclear magnetic resonance imaging.
Conclusions: This new method derived from MRI has predictive value, as AoPAI, hPAI, hPAIMax, and AoPAIMax could predict PAI. Taking other factors into consideration, we suggest the use of AoPAI as a novel and very reliable predictor of PAI.
PMID: 30479616 [PubMed]
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Acute and late toxicities in localized prostate cancer patients treated with low-dose 125I brachytherapy (110 Gy) in combination with external beam radiation therapy versus brachytherapy alone (160 Gy).
Conclusions: To our knowledge, this is the first report to compare the GU and gastrointestinal toxicities between the combination therapy and BT monotherapy (160 Gy) for localized prostate cancer. Unexpectedly, there were more late GU toxicities (except for hematuria) in the BT monotherapy group.
PMID: 30479615 [PubMed]
Source: Journal of Contemporary Brachytherapy - November 28, 2018 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Brachytherapy of tongue carcinoma in a patient with difficult airway: anesthetic considerations.
We report a 74-year-old chronic smoker, chronic alcoholic with history of stroke, who had undergone brachytherapy for tongue carcinoma. Apart from a huge tongue tumor, he had an epiglottic mass but refused elective tracheostomy. This had led to a few critical states throughout the process of treatment, including a metabolic crisis due to thiamine deficiency and difficult airway crisis. To our best knowledge, there have been no reported case on a patient with vocal cord mass undergoing tongue brachytherapy. We hope sharing of this experience may aid the management of similar patients in future.
PMID: 30662482 [PubMed]
Source: Journal of Contemporary Brachytherapy - January 23, 2019 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Pain relief procedures before high-dose-rate brachytherapy for non-surgical treatment of cervix cancer.
Authors: Pellizzon ACA
Abstract
Cervical cancer (CC) is a neoplasm with great potential for prevention, but it is still an important public health problem in most developing countries. No significant difference is found in the literature between intracavitary high-dose-rate (HDR) and low-dose-rate (LDR) brachytherapy, when considering overall, disease specific, and recurrence-free survivals. Cervical dilatation is mandatory for the insertion of intra-uterine tandems for CC intracavitary brachytherapy. Pain and discomfort may eventually be the limiting factors of the procedure, sometimes leading to unsatisfactory re...
Source: Journal of Contemporary Brachytherapy - January 23, 2019 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Outcomes of I-125 brachytherapy for uveal melanomas depending on irradiation dose applied to the tumor apex - a single institution study.
Conclusions: The treatment of choroidal melanomas with I-125 iodine isotope brachytherapy is an efficient and recommended method of treatment and in many cases, an alternative to the enucleation of an eyeball.
PMID: 30662476 [PubMed]
Source: Journal of Contemporary Brachytherapy - January 23, 2019 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Efficacy and tolerance of high-dose-rate brachytherapy boost after external radiotherapy in the treatment of squamous cell carcinoma of the anal canal.
Conclusions: In ASCC management, HDR-BT boost appears to be a treatment with a long-term acceptable toxicity profile, shorter than EBRT boost, with a reduction of side effects.
PMID: 30662475 [PubMed]
Source: Journal of Contemporary Brachytherapy - January 23, 2019 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
Needle track seeding in hepatocellular carcinoma after local ablation by high-dose-rate brachytherapy: a retrospective study of 588 catheter placements.
Conclusions: The risk for needle track seeding after interstitial HDR-BT of HCC is comparable to previous reports of percutaneous biopsies and radiofrequency ablation (RFA), especially in case of extrahepatic needle track metastases. To compensate for the risk of seeding, a track irradiation technique similar to track ablation in RFA should be implemented in clinical routine.
PMID: 30662474 [PubMed]
Source: Journal of Contemporary Brachytherapy - January 23, 2019 Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
