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1.
J Natl Compr Canc Netw ; 20(3): 224-234, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-35276673

RESUMO

The NCCN Guidelines for Head and Neck Cancers address tumors arising in the oral cavity (including mucosal lip), pharynx, larynx, and paranasal sinuses. Occult primary cancer, salivary gland cancer, and mucosal melanoma (MM) are also addressed. The specific site of disease, stage, and pathologic findings guide treatment (eg, the appropriate surgical procedure, radiation targets, dose and fractionation of radiation, indications for systemic therapy). The NCCN Head and Neck Cancers Panel meets at least annually to review comments from reviewers within their institutions, examine relevant new data from publications and abstracts, and reevaluate and update their recommendations. These NCCN Guidelines Insights summarize the panel's most recent recommendations regarding management of HPV-positive oropharynx cancer and ongoing research in this area.


Assuntos
Neoplasias de Cabeça e Pescoço , Neoplasias de Cabeça e Pescoço/diagnóstico , Neoplasias de Cabeça e Pescoço/terapia , Humanos
2.
J Natl Compr Canc Netw ; 18(7): 873-898, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32634781

RESUMO

Treatment is complex for patients with head and neck (H&N) cancers with specific site of disease, stage, and pathologic findings guiding treatment decision-making. Treatment planning for H&N cancers involves a multidisciplinary team of experts. This article describes supportive care recommendations in the NCCN Guidelines for Head and Neck Cancers, as well as the rationale supporting a new section on imaging recommendations for patients with H&N cancers. This article also describes updates to treatment recommendations for patients with very advanced H&N cancers and salivary gland tumors, specifically systemic therapy recommendations.


Assuntos
Neoplasias de Cabeça e Pescoço , Neoplasias de Cabeça e Pescoço/diagnóstico , Neoplasias de Cabeça e Pescoço/terapia , Humanos , Oncologia , Guias de Prática Clínica como Assunto
3.
J Surg Oncol ; 120(8): 1476-1485, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31710707

RESUMO

OBJECTIVES: Positive margins can increase the risk of local recurrence of soft tissue sarcomas (STS). Utilizing a national registry, we investigated patterns of care and overall survival (OS) of patients with margin-positive non-retroperitoneal STS who received preoperative radiation therapy, adjuvant radiation therapy, or both. METHODS: Adult patients with non-retroperitoneal STS who underwent resection and RT from 2004 to 2015 were included. Kaplan-Meier, log-rank analysis, and Cox regression analysis were performed. RESULTS: We identified 5726 patients. Most had a tumor size >5 cm (60%), grade 3 disease (67%), and microscopically positive margins (57%). Compared to ≤50.4 Gy, a dose of 66 to 69.99 Gy was associated with decreased risk of death on multivariate analysis (HR 0.69, 95%; CI, 0.50-0.94). Receipt of a boost was associated with decreased risk of death on univariate analysis (HR 0.54, 95%; CI, 0.29-0.99). In patients with grade 2 to 3 tumors without the gross disease, there was an OS benefit associated with a boost on multivariate analysis (HR 0.39, 95%; CI, 0.16-0.97). CONCLUSION: This analysis appears to show an OS benefit of dose escalation to 66 to 69 Gy for margin-positive non-retroperitoneal STS. A Postoperative boost is associated with higher OS in grade 2 to 3 STS without the gross disease.


Assuntos
Dosagem Radioterapêutica , Radioterapia Adjuvante , Sarcoma/mortalidade , Sarcoma/terapia , Neoplasias de Tecidos Moles/mortalidade , Neoplasias de Tecidos Moles/terapia , Idoso , Conjuntos de Dados como Assunto , Feminino , Humanos , Masculino , Margens de Excisão , Pessoa de Meia-Idade , Terapia Neoadjuvante , Estudos Retrospectivos , Sarcoma/patologia , Neoplasias de Tecidos Moles/patologia , Estados Unidos/epidemiologia
4.
J Natl Compr Canc Netw ; 16(5): 479-490, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-29752322

RESUMO

The NCCN Guidelines for Head and Neck (H&N) Cancers provide treatment recommendations for cancers of the lip, oral cavity, pharynx, larynx, ethmoid and maxillary sinuses, and salivary glands. Recommendations are also provided for occult primary of the H&N, and separate algorithms have been developed by the panel for very advanced H&N cancers. These NCCN Guidelines Insights summarize the panel's discussion and most recent recommendations regarding evaluation and treatment of nasopharyngeal carcinoma.


Assuntos
Neoplasias de Cabeça e Pescoço , Guias como Assunto , História do Século XXI , Humanos
5.
J Natl Compr Canc Netw ; 15(6): 761-770, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28596256

RESUMO

The NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Head and Neck Cancers provide treatment recommendations for cancers of the lip, oral cavity, pharynx, larynx, ethmoid and maxillary sinuses, and salivary glands. Recommendations are also provided for occult primary of the head and neck (H&N), and separate algorithms have been developed by the panel for very advanced H&N cancers. These NCCN Guidelines Insights summarize the panel's discussion and most recent recommendations regarding the increase in human papillomavirus-associated oropharyngeal cancer and the availability of immunotherapy agents for treatment of patients with recurrent or metastatic H&N cancer.


Assuntos
Neoplasias de Cabeça e Pescoço/diagnóstico , Neoplasias de Cabeça e Pescoço/terapia , Neoplasias de Cabeça e Pescoço/etiologia , Humanos
6.
Ann Hematol ; 94(4): 583-91, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25409913

RESUMO

The purpose of this study was to investigate the role of early radiotherapy in patients with localized-stage nasal-type natural killer (NK)/T cell lymphoma treated with L-asparaginase-containing chemotherapy. Sixty-four patients with stage I-II nasal-type NK/T cell lymphoma were enrolled in this study. All patients received an L-asparaginase-containing regimen. Thirty-four patients received late radiotherapy (RT), which was defined as receiving 6 cycles of prior chemotherapy (CT) followed by RT, and 30 patients received early RT, which was defined as receiving no more than 3 cycles of CT followed by early RT. With a median follow-up of 35 months (range, 12-49 months), 19 patients (29.7 %) died from lymphoma-related causes, and 22 patients (34.4 %) developed local and/or distant relapse. The 3-year overall survival (OS) and progression-free survival (PFS) were 84.2 and 74.3 % for early RT and 57.6 and 55.9 % for late RT, respectively, and these differences were significant (OS, p = 0.027; PFS, p = 0.034). After 2 cycles of initial CT, 58 patients achieved treatment response (complete response and partial response). For the 58 patients, there were still significant differences for 3-year OS and PFS when early RT was compared with late RT (3-year OS 94.4 vs. 58 %, P = 0.005; 3-year PFS 82.9 vs. 56.3 %, P = 0.01). Early RT has an essential role in improving survival for localized-stage nasal-type NK/T cell lymphoma (TCL) patients even when used in combination with L-asparaginase-containing CT. Prospective, randomized studies should to be performed to confirm these results.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Asparaginase/administração & dosagem , Linfoma Extranodal de Células T-NK/tratamento farmacológico , Linfoma Extranodal de Células T-NK/radioterapia , Adolescente , Adulto , Idoso , Terapia Combinada , Feminino , Humanos , Linfoma Extranodal de Células T-NK/mortalidade , Linfoma Extranodal de Células T-NK/patologia , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Estudos Retrospectivos , Análise de Sobrevida , Fatores de Tempo , Adulto Jovem
7.
J Natl Compr Canc Netw ; 13(7): 847-55; quiz 856, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-26150579

RESUMO

These NCCN Guidelines Insights focus on recent updates to the 2015 NCCN Guidelines for Head and Neck (H&N) Cancers. These Insights describe the different types of particle therapy that may be used to treat H&N cancers, in contrast to traditional radiation therapy (RT) with photons (x-ray). Research is ongoing regarding the different types of particle therapy, including protons and carbon ions, with the goals of reducing the long-term side effects from RT and improving the therapeutic index. For the 2015 update, the NCCN H&N Cancers Panel agreed to delete recommendations for neutron therapy for salivary gland cancers, because of its limited availability, which has decreased over the past 2 decades; the small number of patients in the United States who currently receive this treatment; and concerns that the toxicity of neutron therapy may offset potential disease control advantages.


Assuntos
Neoplasias de Cabeça e Pescoço/radioterapia , Carbono/uso terapêutico , Guias como Assunto , Radioterapia com Íons Pesados/métodos , Humanos , Terapia por Captura de Nêutron/métodos , Terapia com Prótons/métodos
8.
J Natl Compr Canc Netw ; 12(10): 1454-87, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25313184

RESUMO

This selection from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Head and Neck Cancers focuses on glottic laryngeal cancer, which is the most common type of laryngeal cancer and has an excellent cure rate. The lymphatic drainage of the glottis is sparse, and early stage primaries rarely spread to regional nodes. Because hoarseness is an early symptom, most glottic laryngeal cancer is early stage at diagnosis. Updates to these guidelines for 2014 include revisions to "Principles of Radiation Therapy" for each site and "Principles of Surgery," and the addition of a new section on "Principles of Dental Evaluation and Management."


Assuntos
Neoplasias de Cabeça e Pescoço/terapia , Terapia Combinada , Neoplasias de Cabeça e Pescoço/diagnóstico , Humanos , Estadiamento de Neoplasias , Qualidade de Vida
9.
J Am Acad Dermatol ; 70(3): 435-42, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24373782

RESUMO

BACKGROUND: Patients with melanoma of the scalp may have higher failure (recurrence) rates than melanoma of other body sites. OBJECTIVE: We sought to characterize survival and patterns of failure for patients with scalp melanoma. METHODS: Between 1998 and 2010, 250 nonmetastatic patients underwent wide local excision of a primary scalp melanoma. Kaplan-Meier analyses were performed to evaluate overall survival, scalp control, regional neck control, distant metastases-free survival, and disease-free survival. RESULTS: Five-year overall survival was 86%, 57%, and 45% for stages I, II, and III, respectively, and 5-year scalp control rates were 92%, 75%, and 63%, respectively. Five-year distant metastases-free survival for these stages were 92%, 65%, and 45%, respectively. Of the 74 patients who recurred, the site of first recurrence included distant disease in 47%, although 31% recurred in the scalp alone. LIMITATIONS: This is a retrospective review. CONCLUSION: Distant metastases-free survival and overall survival for stage II and III patients with scalp melanoma are poor, and stage III patients experience relatively high rates of scalp failure suggesting that these patients may benefit from additional adjuvant systemic and local therapy. Further research is needed to characterize the environmental, microenvironmental, and genetic causes of the increased aggressiveness of scalp melanoma and to identify more effective treatment and surveillance methods.


Assuntos
Neoplasias de Cabeça e Pescoço/mortalidade , Neoplasias de Cabeça e Pescoço/patologia , Melanoma/mortalidade , Recidiva Local de Neoplasia/mortalidade , Couro Cabeludo , Neoplasias Cutâneas/mortalidade , Adulto , Idoso , Análise de Variância , Estudos de Coortes , Terapia Combinada , Intervalo Livre de Doença , Feminino , Seguimentos , Neoplasias de Cabeça e Pescoço/terapia , Humanos , Estimativa de Kaplan-Meier , Masculino , Melanoma/patologia , Melanoma/terapia , Pessoa de Meia-Idade , Análise Multivariada , Invasividade Neoplásica/patologia , Recidiva Local de Neoplasia/patologia , Recidiva Local de Neoplasia/terapia , Estadiamento de Neoplasias , Valor Preditivo dos Testes , Estudos Retrospectivos , Medição de Risco , Neoplasias Cutâneas/patologia , Neoplasias Cutâneas/terapia , Análise de Sobrevida
10.
Magn Reson Imaging ; 112: 38-46, 2024 Apr 09.
Artigo em Inglês | MEDLINE | ID: mdl-38604349

RESUMO

BACKGROUND: Measuring tissue oxygen concentration is crucial in understanding the pathophysiological process of hypoxia in head and neck cancer (HNC) and its significant role in cancer biology. This study aimed to determine the feasibility of T1 mapping using a variable flip angle (VFA) technique with stack of stars (SOS) trajectory sampling in HNC patients undergoing chemoradiotherapy (CRT). METHODS: To evaluate the ability of SOS acquisition to detect T1, a phantom study was conducted and compared to conventional Cartesian acquisition (CART). Additionally, four newly diagnosed patients were recruited and underwent two scans each at baseline and inter-treatment. The repeatability of SOS and CART acquisitions was assessed by comparing the T1 measurements of CSF from the baseline and intra-treatment MRI studies. The changes in ∆T1 of the tumors during air and oxygen inhalation between baseline and inter-treatment scans were also evaluated. RESULTS: Our study found that the 3D VFA SOS sequence was effective in reducing motion artifacts compared to the conventional VFA sequence with CART sampling and the same scan time, as demonstrated by the results from the phantom and patient studies. In terms of repeatability, no significant correlation was observed between the variability in ΔT1 measurements of CSF obtained from SOS T1 maps. The SOS ΔT1 measurements showed higher consistency, as evidenced by the ICC values ranging from 0.52 to 0.92. The ∆T1 measurements on the primary tumors increased after the first CRT (p<0.05) for all patients who showed a positive treatment response, except for one patient (0.05

11.
J Natl Compr Canc Netw ; 11(8): 917-23, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23946171

RESUMO

These NCCN Guidelines Insights focus on nutrition and supportive care for patients with head and neck cancers. This topic was a recent addition to the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Head and Neck Cancers. The NCCN Guidelines Insights focus on major updates to the NCCN Guidelines and discuss the new updates in greater detail. The complete version of the NCCN Guidelines for Head and Neck Cancers is available on the NCCN Web site (NCCN.org).


Assuntos
Neoplasias de Cabeça e Pescoço/terapia , Política Nutricional , Ingestão de Alimentos , Nutrição Enteral , Humanos , Padrões de Prática Médica
12.
Magn Reson Imaging ; 101: 40-46, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37030177

RESUMO

PURPOSE: To evaluate the dependence of the arterial input function (AIF) on the imaging z-axis and its effect on 3D DCE MRI pharmacokinetic parameters as mediated by the SPGR signal equation and Extended Tofts-Kermode model. THEORY: For SPGR-based 3D DCE MRI acquisition of the head and neck, inflow effects within vessels violate the assumptions underlying the SPGR signal model. Errors in the SPGR-based AIF estimate propagate through the Extended Tofts-Kermode model to affect the output pharmacokinetic parameters. MATERIALS AND METHODS: 3D DCE-MRI data were acquired for six newly diagnosed HNC patients in a prospective single arm cohort study. AIF were selected within the carotid arteries at each z-axis location. A region of interest (ROI) was placed in normal paravertebral muscle and the Extended Tofts-Kermode model solved for each pixel within the ROI for each AIF. Results were compared to those obtained with a published population average AIF. RESULTS: Due to inflow effect, the AIF showed extreme variation in their temporal shapes. Ktrans was most sensitive to the initial bolus concentration and showed more variation over the muscle ROI with AIF taken from the upstream portion of the carotid. kep was less sensitive to the peak bolus concentration and showed less variation for AIF taken from the upstream portion of the carotid. CONCLUSION: Inflow effects may introduce an unknown bias to SPGR-based 3D DCE pharmacokinetic parameters. Variation in the computed parameters depends on the selected AIF location. In the context of high flow, measurements may be limited to relative rather than absolute quantitative parameters.


Assuntos
Meios de Contraste , Neoplasias de Cabeça e Pescoço , Humanos , Meios de Contraste/farmacocinética , Estudos de Coortes , Estudos Prospectivos , Imageamento por Ressonância Magnética/métodos , Artérias Carótidas , Algoritmos , Reprodutibilidade dos Testes
13.
Head Neck ; 45(2): 431-438, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36433726

RESUMO

BACKGROUND: Given the poor lymphatics of the glottis, we evaluated omission of chemotherapy in patients treated definitely for T3N0M0 squamous cell carcinoma (SCC) of the glottis. METHODS: We performed survival analysis of patients with T3N0M0 SCC of the glottis identified in the National Cancer Database treated with radiation alone versus chemoradiation. RESULTS: A total of 3785 patients were identified. Patients age ≥70 and those with comorbidities were less likely to receive chemotherapy (odds ratio [OR] 0.30, 95% CI [0.25-0.37] and 0.48 [0.31-0.76], respectively). Five-year OS was lower in patients treated with radiation versus chemoradiation (33.8% [30.3%-37.2%] vs. 58.0% [55.8%-60.0%]). In patients <70 with no comorbidities this difference persisted (51.0% [44.5%-57.0%] versus 66.7% [64.0%-69.3%]). CONCLUSION: Overall survival was higher in patients treated with chemoradiation compared to radiation alone, even when controlling for age and comorbidities. Radiotherapy with chemotherapy omission is not appropriate in patients with T3N0M0 SCC of the glottis.


Assuntos
Carcinoma de Células Escamosas , Neoplasias Laríngeas , Humanos , Neoplasias Laríngeas/patologia , Estadiamento de Neoplasias , Carcinoma de Células Escamosas/patologia , Quimiorradioterapia , Glote/patologia , Estudos Retrospectivos
14.
JAMA Oncol ; 9(5): 646-655, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-36995690

RESUMO

Importance: Pathologic complete response (pCR) may be associated with prognosis in patients with soft tissue sarcoma (STS). Objective: We sought to determine the prognostic significance of pCR on survival outcomes in STS for patients receiving neoadjuvant chemoradiotherapy (CT-RT) (Radiation Therapy Oncology Group [RTOG] 9514) or preoperative image-guided radiotherapy alone (RT, RTOG 0630) and provide a long-term update of RTOG 0630. Design, Setting, and Participants: RTOG has completed 2 multi-institutional, nonrandomized phase 2 clinical trials for patients with localized STS. One hundred forty-three eligible patients from RTOG 0630 (n = 79) and RTOG 9514 (n = 64) were included in this ancillary analysis of pCR and 79 patients from RTOG 0630 were evaluated for long-term outcomes. Intervention: Patients in trial 9514 received CT interdigitated with RT, whereas those in trial 0630 received preoperative RT alone. Main Outcomes and Measures: Overall and disease-free survival (OS and DFS) rates were estimated by the Kaplan-Meier method. Hazard ratios (HRs) and P values were estimated by multivariable Cox model stratified by study, where possible; otherwise, P values were calculated by stratified log-rank test. Analysis took place between December 14, 2016, to April 13, 2017. Results: Overall there were 42 (53.2%) men; 68 (86.1%) were white; with a mean (SD) age of 59.6 (14.5) years. For RTOG 0630, at median follow-up of 6.0 years, there was 1 new in-field recurrence and 1 new distant failure since the initial report. From both studies, 123 patients were evaluable for pCR: 14 of 51 (27.5%) in trial 9514 and 14 of 72 (19.4%) in trial 0630 had pCR. Five-year OS was 100% for patients with pCR vs 76.5% (95% CI, 62.3%-90.8%) and 56.4% (95% CI, 43.3%-69.5%) for patients with less than pCR in trials 9514 and 0630, respectively. Overall, pCR was associated with improved OS (P = .01) and DFS (HR, 4.91; 95% CI, 1.51-15.93; P = .008) relative to less than pCR. Five-year local failure rate was 0% in patients with pCR vs 11.7% (95% CI, 3.6%-25.1%) and 9.1% (95% CI, 3.3%-18.5%) for patients with less than pCR in 9514 and 0630, respectively. Histologic types other than leiomyosarcoma, liposarcoma, and myxofibrosarcoma were associated with worse OS (HR, 2.24; 95% CI, 1.12-4.45). Conclusions and Relevance: This ancillary analysis of 2 nonrandomized clinical trials found that pCR was associated with improved survival in patients with STS and should be considered as a prognostic factor of clinical outcomes for future studies. Trial Registration: ClinicalTrials.gov Identifiers: RTOG 0630 (NCT00589121); RTOG 9514 (NCT00002791).


Assuntos
Terapia Neoadjuvante , Sarcoma , Masculino , Adulto , Humanos , Pessoa de Meia-Idade , Feminino , Sarcoma/mortalidade , Prognóstico , Intervalo Livre de Progressão , Intervalo Livre de Doença
15.
JAMA Oncol ; 9(6): 800-807, 2023 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-37079324

RESUMO

Importance: Spine metastasis can be treated with high-dose radiation therapy with advanced delivery technology for long-term tumor and pain control. Objective: To assess whether patient-reported pain relief was improved with stereotactic radiosurgery (SRS) as compared with conventional external beam radiotherapy (cEBRT) for patients with 1 to 3 sites of vertebral metastases. Design, Setting, and Participants: In this randomized clinical trial, patients with 1 to 3 vertebral metastases were randomized 2:1 to the SRS or cEBRT groups. This NRG 0631 phase 3 study was performed as multi-institutional enrollment within NRG Oncology. Eligibility criteria included the following: (1) solitary vertebral metastasis, (2) 2 contiguous vertebral levels involved, or (3) maximum of 3 separate sites. Each site may involve up to 2 contiguous vertebral bodies. A total of 353 patients enrolled in the trial, and 339 patients were analyzed. This analysis includes data extracted on March 9, 2020. Interventions: Patients randomized to the SRS group were treated with a single dose of 16 or 18 Gy (to convert to rad, multiply by 100) given to the involved vertebral level(s) only, not including any additional spine levels. Patients assigned to cEBRT were treated with 8 Gy given to the involved vertebra plus 1 additional vertebra above and below. Main Outcomes and Measures: The primary end point was patient-reported pain response defined as at least a 3-point improvement on the Numerical Rating Pain Scale (NRPS) without worsening in pain at the secondary site(s) or the use of pain medication. Secondary end points included treatment-related toxic effects, quality of life, and long-term effects on vertebral bone and spinal cord. Results: A total of 339 patients (mean [SD] age of SRS group vs cEBRT group, respectively, 61.9 [13.1] years vs 63.7 [11.9] years; 114 [54.5%] male in SRS group vs 70 [53.8%] male in cEBRT group) were analyzed. The baseline mean (SD) pain score at the index vertebra was 6.06 (2.61) in the SRS group and 5.88 (2.41) in the cEBRT group. The primary end point of pain response at 3 months favored cEBRT (41.3% for SRS vs 60.5% for cEBRT; difference, -19 percentage points; 95% CI, -32.9 to -5.5; 1-sided P = .99; 2-sided P = .01). Zubrod score (a measure of performance status ranging from 0 to 4, with 0 being fully functional and asymptomatic, and 4 being bedridden) was the significant factor influencing pain response. There were no differences in the proportion of acute or late adverse effects. Vertebral compression fracture at 24 months was 19.5% with SRS and 21.6% with cEBRT (P = .59). There were no spinal cord complications reported at 24 months. Conclusions and Relevance: In this randomized clinical trial, superiority of SRS for the primary end point of patient-reported pain response at 3 months was not found, and there were no spinal cord complications at 2 years after SRS. This finding may inform further investigation of using spine radiosurgery in the setting of oligometastases, where durability of cancer control is essential. Trial Registration: ClinicalTrials.gov Identifier: NCT00922974.


Assuntos
Fraturas por Compressão , Radiocirurgia , Fraturas da Coluna Vertebral , Humanos , Masculino , Adolescente , Feminino , Radiocirurgia/efeitos adversos , Radiocirurgia/métodos , Fraturas da Coluna Vertebral/etiologia , Qualidade de Vida , Fraturas por Compressão/etiologia , Coluna Vertebral/cirurgia , Dor/etiologia
16.
Pract Radiat Oncol ; 12(6): e512-e516, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35752410

RESUMO

Stereotactic body radiation therapy (SBRT) is commonly used to treat early-stage non-small cell lung cancer. Beam arrangements for SBRT include multiple entry and exit pathways resulting in irregular low-dose distributions within normal lung parenchyma. An improved understanding of posttreatment radiographic changes may improve the ability to predict clinical complications including radiation pneumonitis as well as assist in early detection of local failures. Radiation treatment planning is conducted using software systems separate from diagnostic radiology, often not accessible to the diagnostic radiologist. We developed a workflow for interfacing radiation dose information from lung SBRT treatments with a diagnostic radiology picture archiving and communication system (PACS). In an anonymized PACS study folder, SBRT dose maps depicting high-dose, low-dose, and nonirradiated lung volumes were viewable side by side with pretreatment and follow-up diagnostic computed tomography scans. Clinical utility was evaluated by 2 thoracic diagnostic radiologists reviewing posttreatment diagnostic follow-up scans in the PACS both with and without radiation dose maps available. The addition of the biologically effective dose map did not significantly change identification rates of radiation induced lung injury) (92% vs 95%; P = .32) but did significantly decrease radiologic suspicion for local recurrence (22% vs 8%; P = .003). The addition of biologically effective dose maps significantly increased confidence in identifying radiation induced lung injury (7.75 vs 8.82; P = .004) and local recurrence (5.5 vs 6.6; P = .005). The recommendation for additional workup was not significantly different (10% vs 7%; P = .41). We demonstrated the feasibility and clinical utility of a workflow generating simplified radiation dose maps that are viewable within a PACS for diagnostic radiology review.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Lesão Pulmonar , Neoplasias Pulmonares , Lesões por Radiação , Radioterapia (Especialidade) , Radiocirurgia , Humanos , Radiocirurgia/efeitos adversos , Radiocirurgia/métodos , Carcinoma Pulmonar de Células não Pequenas/diagnóstico por imagem , Carcinoma Pulmonar de Células não Pequenas/radioterapia , Carcinoma Pulmonar de Células não Pequenas/cirurgia , Neoplasias Pulmonares/radioterapia , Neoplasias Pulmonares/cirurgia , Fluxo de Trabalho , Estudos de Viabilidade , Pulmão/diagnóstico por imagem , Software
17.
Head Neck ; 44(3): 606-614, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-34931386

RESUMO

BACKGROUND: Adjuvant guidelines in surgically resected p16+ oropharyngeal carcinoma (OPC) with positive surgical margins (PSM) or extranodal extension (ENE) are based on randomized controlled trials predating p16 status. It remains unclear if adjuvant chemotherapy is necessary in p16+ patients with these features. METHODS: The National Cancer Database was used to identify cases of nonmetastatic p16+ OPC diagnosed from 2010 to 2017. Patients treated with surgical resection followed by adjuvant radiation (aRT) or adjuvant chemoradiation (aCRT) were eligible for analysis. RESULTS: A total of 14 071 patients were eligible for analysis. Overall survival (OS) was not statistically different between aRT and aCRT in patients with PSM (hazard ratio (HR) 0.84, 95% confidence interval (CI) 0.56-1.28), ENE (HR 0.93, 95% CI 0.69-1.27) or both (HR 0.73, 95% CI 0.41-1.31). CONCLUSIONS: In patients with p16+ OPC with ENE, PSM, or both, adding chemotherapy to aRT was not associated with improved OS.


Assuntos
Carcinoma de Células Escamosas , Neoplasias Orofaríngeas , Infecções por Papillomavirus , Carcinoma de Células Escamosas/patologia , Quimiorradioterapia Adjuvante , Extensão Extranodal , Humanos , Margens de Excisão , Estadiamento de Neoplasias , Neoplasias Orofaríngeas/patologia , Infecções por Papillomavirus/complicações , Estudos Retrospectivos
18.
Pract Radiat Oncol ; 12(5): 409-423, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35667551

RESUMO

PURPOSE: Safeguarding high-quality care using evidence-based radiation therapy for patients with head and neck cancer is crucial to improving oncologic outcomes, including survival and quality of life. METHODS AND MATERIALS: The Veterans Administration (VA) National Radiation Oncology Program established the VA Radiation Oncology Quality Surveillance Program (VAROQS) to develop clinical quality measures (QM) in head and neck cancer. As part of the development of QM, the VA commissioned, along with the American Society for Radiation Oncology, a blue-ribbon panel comprising experts in head and neck cancer, to develop QM. RESULTS: We describe the methods used to develop QM and the final consensus QM, as well as aspirational and surveillance QM, which capture all aspects of the continuum of patient care from initial patient work-up, radiation treatment planning and delivery, and follow-up care, as well as dose volume constraints. CONCLUSION: These QM are intended for use as part of ongoing quality surveillance for veterans receiving radiation therapy throughout the VA as well as outside the VA. They may also be used by the non-VA community as a basic measure of quality care for head and neck cancer patients receiving radiation.


Assuntos
Neoplasias de Cabeça e Pescoço , Neoplasias Laríngeas , Radioterapia (Especialidade) , Veteranos , Consenso , Neoplasias de Cabeça e Pescoço/radioterapia , Humanos , Indicadores de Qualidade em Assistência à Saúde , Qualidade de Vida , Estados Unidos
19.
J Radiosurg SBRT ; 7(4): 321-328, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34631233

RESUMO

For patients treated with SBRT for spinal metastases in the cervical area, a thermoplastic mask is the usual immobilization technique. This project investigates the impact of shoulder position variability on target coverage for such cases. Eight HN patients treated in a suite equipped with a CT-on-rails system (CTOR) were randomly chosen. Of these, three were treated with shoulder depressors. For each patient, their planning CT was used to contour spine targets at the C5, C6 and C7 levels for which two VMAT plans were developed to deliver 18 Gy to each target per the RTOG 0631 protocol. One plan used full arcs while the other used avoidance sectors around the lateral positions. For each patient, IGRT CTOR images were used to recalculate doses that would have been delivered from these plans. Target coverage and dose to the spinal cord were compared for four scenarios: full and partial arcs, with or without depressors. A Dunn test showed significant differences between groups with and without shoulder depressors, but not between those with full versus partial arcs. For most of the investigated cases, the coverage ended up being higher than planned due to the shoulder position being inferior at treatment compared to simulation. In some cases, this led to higher spinal cord doses than allowed per protocol. The results of this study confirm that, when treating lower cervical spine lesions with SBRT, special care should be taken to ensure that the shoulders are positioned as they were during planning CT acquisition.

20.
J Surg Oncol ; 101(5): 345-50, 2010 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-20119974

RESUMO

BACKGROUND AND OBJECTIVE: To examine the impact of adjuvant radiotherapy (RT) and surgical technique on survival in retroperitoneal soft-tissue sarcoma. METHODS: A retrospective analysis was conducted using the National Oncology Database, a proprietary database of aggregated tumor registries owned by IMPAC(R) Medical Systems (Sunnyvale, CA). Patients who received definitive surgery with negative or microscopic-positive margins were included. Multivariate analysis was performed using the Cox proportional hazards model. Survival curves were estimated by the Kaplan-Meier method and were compared for statistical significance (P < 0.05) using the log-rank test. RESULTS: Two hundred sixty-one patients met inclusion criteria. The median follow-up was 59 months (range 0.2-186 months). The 5-year cause-specific survival (CSS) and local failure-free survival (LFFS) were 73% and 66%, respectively. Grade, margin status, and histology were independent predictors for CSS (P < 0.05). Adjuvant RT was associated with a significant improvement in LFFS over surgery alone (hazard ratio = 0.42, 95% confidence interval 0.21-0.86, P < 0.05). Patients receiving simple excision and RT had a 5-year LFFS of 88%, significantly higher than wide resection with or without RT (log-rank, P < 0.05). CONCLUSION: Adjuvant RT is associated with a lower risk of local relapse compared to surgery alone. The impact of surgical technique on adjuvant RT efficacy warrants further study.


Assuntos
Neoplasias Retroperitoneais/terapia , Sarcoma/terapia , Adulto , Idoso , Idoso de 80 Anos ou mais , Terapia Combinada , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Estadiamento de Neoplasias , Neoplasias Retroperitoneais/mortalidade , Neoplasias Retroperitoneais/patologia , Estudos Retrospectivos , Sarcoma/mortalidade , Sarcoma/patologia , Falha de Tratamento
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