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Bonomo P, Cipressi S, Iermano C, Bonucci I, Masi L, Doro R, Favuzza V, Paiar F, Simontacchi G, Meattini I, Greto D, Agresti B, Livi L, Biti G. Salvage Stereotactic Re-irradiation with CyberKnife for Locally Recurrent Head and Neck Cancer: A Single Center Experience. TUMORI JOURNAL 2018. [DOI: 10.1177/1578.17202] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Pierluigi Bonomo
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Samantha Cipressi
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Carmine Iermano
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Ivano Bonucci
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Laura Masi
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Raffaela Doro
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Virginia Favuzza
- CyberKnife Center, Istituto Fiorentino di Cura ed Assistenza (IFCA), Florence
| | - Fabiola Paiar
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Gabriele Simontacchi
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Icro Meattini
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Daniela Greto
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Benedetta Agresti
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Lorenzo Livi
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
| | - Giampaolo Biti
- Radiation Oncology, Azienda Ospedaliero-Universitaria Careggi, University of Florence, Florence, Italy
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Dörr W, Gabryś D. The Principles and Practice of Re-irradiation in Clinical Oncology: An Overview. Clin Oncol (R Coll Radiol) 2018; 30:67-72. [DOI: 10.1016/j.clon.2017.11.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 11/20/2017] [Accepted: 11/22/2017] [Indexed: 12/27/2022]
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Facteurs pronostiques de la ré-irradiation des cancers des voies aérodigestives supérieures : revue de la littérature. Cancer Radiother 2017; 21:316-338. [DOI: 10.1016/j.canrad.2017.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 01/06/2017] [Accepted: 02/27/2017] [Indexed: 11/19/2022]
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4
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Wong SJ, Heron DE, Stenson K, Ling DC, Vargo JA. Locoregional Recurrent or Second Primary Head and Neck Cancer: Management Strategies and Challenges. Am Soc Clin Oncol Educ Book 2017; 35:e284-92. [PMID: 27249734 DOI: 10.1200/edbk_157804] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Treatment of patients with locoregional recurrent or second primary head and neck squamous cell cancer (HNSCC) has been guided by well-reasoned principles and informed by carefully tested chemotherapy and radiation regimens. However, clinical decision making for this population is complicated by many factors. Although surgery is generally considered the treatment of choice for patients with HNSCC with recurrent disease or new second primary disease in a previously irradiated field, operability of cases is not always straightforward. Postoperative treatment is frequently warranted but carries significant risk. In addition, the rapid rise in the incidence of HPV-associated HNSCC raises the question of whether established treatment paradigms should be re-examined in this population of patients with a much better prognosis than the non-HPV population. Furthermore, new radiation techniques and new systemic agents show early promising results in recent clinical studies, suggesting potential for practice-changing effects in the future management of this disease. This article examines each of the treatment modalities used in the care of patients with HNSCC with recurrent or new second primary disease and provides a perspective to aid clinicians in the management of this disease.
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Affiliation(s)
- Stuart J Wong
- From the University of Pittsburgh Cancer Institute, Pittsburgh, PA; University of Pittsburgh School of Medicine, Pittsburgh, PA; Rush University Medical Center, Chicago, IL; Medical College of Wisconsin, Milwaukee, WI
| | - Dwight E Heron
- From the University of Pittsburgh Cancer Institute, Pittsburgh, PA; University of Pittsburgh School of Medicine, Pittsburgh, PA; Rush University Medical Center, Chicago, IL; Medical College of Wisconsin, Milwaukee, WI
| | - Kerstin Stenson
- From the University of Pittsburgh Cancer Institute, Pittsburgh, PA; University of Pittsburgh School of Medicine, Pittsburgh, PA; Rush University Medical Center, Chicago, IL; Medical College of Wisconsin, Milwaukee, WI
| | - Diane C Ling
- From the University of Pittsburgh Cancer Institute, Pittsburgh, PA; University of Pittsburgh School of Medicine, Pittsburgh, PA; Rush University Medical Center, Chicago, IL; Medical College of Wisconsin, Milwaukee, WI
| | - John A Vargo
- From the University of Pittsburgh Cancer Institute, Pittsburgh, PA; University of Pittsburgh School of Medicine, Pittsburgh, PA; Rush University Medical Center, Chicago, IL; Medical College of Wisconsin, Milwaukee, WI
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Matoba M, Tuji H, Shimode Y, Kondo T, Oota K, Tonami H. The role of changes in maximum standardized uptake value of FDG PET-CT for post-treatment surveillance in patients with head and neck squamous cell carcinoma treated with chemoradiotherapy: preliminary findings. Br J Radiol 2017; 90:20150404. [PMID: 28055245 DOI: 10.1259/bjr.20150404] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE No clear consensus exists regarding the optimal interval and frequency of follow-up positron emission tomography (PET)-CT in patients with head and neck squamous cell carcinoma (HNSCC) treated with chemoradiotherapy (CRT). Here, we sought to clarify whether the changes in the maximum standardized uptake value (ΔSUVmax) may be a valid parameter to help decision-making for surveillance management after CRT. METHODS 40 patients underwent PET-CT at pre-treatment and 3 months after CRT. Patients were followed by sequential PET-CT for 2 years after CRT. The ΔSUVmax of the primary tumour and the metastatic nodes were calculated between pre-treatment and 3 months after the CRT, and we evaluated the associations between ΔSUVmax and the manifestation of recurrence, time to recurrence and the patient survival. RESULTS The ΔSUVmax of the primary tumour was significantly lower for the lesions with recurrence than that for those with non-recurrence for both the primary site and the nodal site (p = 0.007, 0.02). A significant correlation was found between the time to recurrence and the ΔSUVmax of the primary tumour (r = 0.63, p < 0.05). The threshold ΔSUVmax of the primary tumour of 1.04 revealed 76.9% sensitivity and 86.4% specificity for distinguishing recurrence from non-recurrence. The progression-free survival and overall survival of the two patient groups divided by the ΔSUVmax of the primary tumour at 1.04 showed a significant difference (p = 0.003, 0.02). The ΔSUVmax of the metastatic nodes did not show a significant association with recurrence or patient survival. CONCLUSION The ΔSUVmax of the primary tumour showed a significant association with recurrence and patient survival. Advances in knowledge: The ΔSUVmax of the primary tumour may be a valid clinical parameter to help decision-making for the surveillance management of patients with HNSCC after CRT.
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Affiliation(s)
- Munetaka Matoba
- 1 Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Hiroyuki Tuji
- 2 Department of Head and Neck Surgery, Kanazawa Medical University, Kahoku, Japan
| | - Yuzo Shimode
- 2 Department of Head and Neck Surgery, Kanazawa Medical University, Kahoku, Japan
| | - Tamaki Kondo
- 1 Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Kiyotaka Oota
- 1 Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
| | - Hisao Tonami
- 1 Department of Radiology, Kanazawa Medical University, Ishikawa, Japan
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Hyperfractionated stereotactic reirradiation for recurrent head and neck cancer. Strahlenther Onkol 2015; 192:40-6. [PMID: 26314584 DOI: 10.1007/s00066-015-0886-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 07/31/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE The goal of this work was to evaluate the efficacy and toxicity of hyperfractionated stereotactic reirradiation (re-RT) as a treatment for inoperable, recurrent, or second primary head and neck squamous cell cancer (HNSCC) that is not suitable for systemic treatment. PATIENTS AND MATERIALS Forty patients with recurrent or second primary HNSCC were included in this study. The patients had a median gross tumor volume of 76 ml (range 14-193 ml) and a previous radiotherapy dose greater than 60 Gy. Treatment was designed to cover 95 % of the planning target volume (PTV, defined as gross tumor volume [GTV] + 3 mm to account for microscopic spreading, with no additional set-up margin) with the prescribed dose (48 Gy in 16 fractions b.i.d.). Treatment was administered twice daily with a minimum 6 h gap. Uninvolved lymph nodes were not irradiated. RESULTS Treatment was completed as planned for all patients (with median duration of 11 days, range 9-14 days). Acute toxicity was evaluated using the RTOG/EORTC scale. A 37 % incidence of grade 3 mucositis was observed, with recovery time of ≤ 4 weeks for all of these patients. Acute skin toxicity was never observed to be higher than grade 2. Late toxicity was also evaluated according to the RTOG/EORTC scale. Mandible radionecrosis was seen in 4 cases (10 %); however, neither carotid blowout syndrome nor other grade 4 late toxicity occurred. One-year overall survival (OS) and local progression-free survival (L-PFS) were found to be 33 and 44 %, respectively. Performance status and GTV proved to be significant prognostic factors regarding local control and survival. CONCLUSION Hyperfractionated stereotactic re-RT is a reasonable treatment option for patients with recurrent/second primary HNSCC who were previously exposed to high-dose irradiation and who are not candidates for systemic treatment or hypofractionation.
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Bartochowska A, Skowronek J, Wierzbicka M, Leszczynska M, Szyfter W. Is there a place for brachytherapy in the salvage treatment of cervical lymph node metastases of head and neck cancers? Brachytherapy 2015; 14:933-8. [PMID: 26249122 DOI: 10.1016/j.brachy.2015.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 06/19/2015] [Accepted: 07/09/2015] [Indexed: 12/30/2022]
Abstract
PURPOSE Therapeutic options are limited for unresectable isolated cervical lymph node recurrences. The purpose of the study was to evaluate the feasibility, safety, and efficacy of high-dose-rate (HDR) and pulsed-dose-rate (PDR) brachytherapy (BT) in such cases. METHODS AND MATERIALS Sixty patients have been analyzed. All them had previously been treated with radical radiotherapy or chemoradiotherapy with or without surgery. PDR-BT and HDR-BT were used in 49 and 11 patients, respectively. In PDR-BT, a dose per pulse of 0.6-0.8 Gy (median 0.7 Gy) was given up to a median total dose of 20 Gy (range, 20-40 Gy). HDR-BT delivered a median total dose of 24 Gy (range, 7-60 Gy) in 3-10 fractions at 3-6 Gy per fraction. RESULTS The overall survival and lymph node control rates at 1 and 2 years were estimated for 31.7% and 19%, and 41.4% and 27.3%, respectively. Serious late side effects (soft tissue necrosis) were observed in 11.7% of patients. Adverse events occurred statistically more often in patients >59 years (p = 0.02). CONCLUSIONS HDR-BT and PDR-BT are feasible in previously irradiated patients with isolated regional lymph node metastases of head and neck cancers. The techniques should be considered if surgery is contraindicated. They provide acceptable toxicity and better tumor control than chemotherapy alone.
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Affiliation(s)
- Anna Bartochowska
- Department of Otolaryngology-Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland.
| | - Janusz Skowronek
- Brachytherapy Department, Greater Poland Cancer Center, Poznan, Poland; Electroradiology Department, Poznan University of Medical Sciences, Poznan, Poland
| | - Malgorzata Wierzbicka
- Department of Otolaryngology-Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Malgorzata Leszczynska
- Department of Otolaryngology-Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Witold Szyfter
- Department of Otolaryngology-Head and Neck Surgery, Poznan University of Medical Sciences, Poznan, Poland
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Management of Recurrent HPV-Related Oropharyngeal Cancer. CURRENT OTORHINOLARYNGOLOGY REPORTS 2015. [DOI: 10.1007/s40136-015-0080-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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9
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[Influence of dose and fractionation in intensity modulated re-irradiation of patients with relapse of nasopharyngeal carcinoma: a randomized phase II study]. Strahlenther Onkol 2015; 191:203-4. [PMID: 25793245 DOI: 10.1007/s00066-014-0776-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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FDG volumetric parameters and survival outcomes after definitive chemoradiotherapy in patients with recurrent head and neck squamous cell carcinoma. AJR Am J Roentgenol 2014; 203:W139-45. [PMID: 25055289 DOI: 10.2214/ajr.13.11654] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The purpose of this study was to establish the predictive value of (18)F-FDG parameters for overall survival in biopsy-proven recurrent head and neck squamous cell cancer (HNSCC) patients after definitive chemoradiotherapy. MATERIALS AND METHODS We conducted a retrospective study including 34 patients with HNSCC who had biopsy-proven recurrence between April 2004 and March 2012 and underwent FDG PET/CT at our institution at the time of recurrence. Maximum standardized uptake value (SUVmax), peak SUV (SUVpeak), metabolic tumor volume (MTV), and total lesion glycolysis (TLG) were measured. The primary outcome measure was overall survival. ROC analysis, univariate and multivariate Cox regression models, and Kaplan-Meir survival curves were performed. RESULTS In univariate analyses, human papillomavirus (HPV) status (p = 0.04), primary site recurrence of MTV (p = 0.03), metastasis of MTV (p = 0.02), metastasis of TLG (p = 0.02), total MTV (p = 0.002), and total TLG (p = 0.04) were significantly associated with overall survival outcome. Total MTV remained as significant independent prognostic factor when adjusted for all other covariates except for primary site recurrence SUVmax and SUVpeak and lymph node SUVmax and SUVpeak. There was a significant difference in time to survival between patients with total MTV above and below the 50th percentile (Mantel-Cox log-rank test, p = 0.05 and Gehan-Breslow-Wilcoxon test, p = 0.03) and the optimum threshold of 16.8 mL (Mantel-Cox log-rank test, p = 0.01 and Gehan-Breslow-Wilcoxon test, p = 0.01; hazard ratio [HR], 0.25). CONCLUSION FDG PET/CT-based total MTV and clinical HPV status may be significant prognostic markers for overall survival of patients with recurrent HNSCC after definitive chemoradiotherapy.
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Riaz N, Hong JC, Sherman EJ, Morris L, Fury M, Ganly I, Wang TJC, Shi W, Wolden SL, Jackson A, Wong RJ, Zhang Z, Rao SD, Lee NY. A nomogram to predict loco-regional control after re-irradiation for head and neck cancer. Radiother Oncol 2014; 111:382-7. [PMID: 24993329 DOI: 10.1016/j.radonc.2014.06.003] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 05/26/2014] [Accepted: 06/02/2014] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND PURPOSE Loco-regionally recurrent head and neck cancer (HNC) in the setting of prior radiotherapy carries significant morbidity and mortality. The role of re-irradiation (re-RT) remains unclear due to toxicity. We determined prognostic factors for loco-regional control (LRC) and formulated a nomogram to help clinicians select re-RT candidates. MATERIAL AND METHODS From July 1996 to April 2011, 257 patients with recurrent HNC underwent fractionated re-RT. Median prior dose was 65 Gy and median time between RT was 32.4 months. One hundred fifteen patients (44%) had salvage surgery and 172 (67%) received concurrent chemotherapy. Median re-RT dose was 59.4 Gy and 201 (78%) patients received IMRT. Multivariate Cox proportional hazards were used to identify independent predictors of LRC and a nomogram for 2-year LRC was constructed. RESULTS Median follow-up was 32.6 months. Two-year LRC and overall survival (OS) were 47% and 43%, respectively. Recurrent stage (P=0.005), non-oral cavity subsite (P<0.001), absent organ dysfunction (P<0.001), salvage surgery (P<0.001), and dose >50 Gy (P=0.006) were independently associated with improved LRC. We generated a nomogram with concordance index of 0.68. CONCLUSION Re-RT can be curative, and our nomogram can help determine a priori which patients may benefit.
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Affiliation(s)
- Nadeem Riaz
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Julian C Hong
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Eric J Sherman
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Luc Morris
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Matthew Fury
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Ian Ganly
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Tony J C Wang
- Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Weji Shi
- Department of Radiation Oncology, Columbia University, New York, United States
| | - Suzanne L Wolden
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Andrew Jackson
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Richard J Wong
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Zhigang Zhang
- Department of Radiation Oncology, Columbia University, New York, United States
| | - Shyam D Rao
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, United States.
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Xi M, Liu SL, Zhao L, Shen JX, Zhang L, Zhang P, Liu MZ. Prognostic factors and survival in patients with radiation-related second malignant neoplasms following radiotherapy for nasopharyngeal carcinoma. PLoS One 2013; 8:e84586. [PMID: 24367679 PMCID: PMC3867505 DOI: 10.1371/journal.pone.0084586] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 11/15/2013] [Indexed: 12/13/2022] Open
Abstract
Purpose To analyze the clinicopathological characteristics, treatment modalities, and potential prognostic factors of radiation-related second malignant neoplasms (SMNs) in a large group of nasopharyngeal carcinoma (NPC) cases. Methods and Materials Institutional electronic medical records of 39,118 patients with NPC treated by definitive radiotherapy between February 1964 and December 2003 were reviewed. A total of 247 patients with confirmed SMN attributable to radiotherapy were included. Results Median latency between radiotherapy for NPC and the diagnosis of SMN was 9.5 years (range, 3.1–36.8 years). Squamous cell carcinoma was the most common histologic type, followed by fibrosarcoma and adenocarcinoma. Median progression-free survival and overall survival (OS) of the 235 patients who underwent treatment were 17.3 months and 28.5 months, respectively. The 5-year OS rates were 42.9%, 23.7%, and 0% for the surgery, radiotherapy, and chemotherapy groups, respectively. The independent prognostic factors associated with survival were sex, histologic type, and treatment modality in both the early stage subgroup and the advanced stage subgroup of SMN. Conclusions Sex, histologic type, and treatment modality were the significant prognostic factors for SMN. Complete resection offers the best chance for long-term survival. In select patients with locally advanced and unresectable SMN, reirradiation should be strongly considered as a curative option.
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Affiliation(s)
- Mian Xi
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Shi-Liang Liu
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Lei Zhao
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Jing-Xian Shen
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
- Imaging Diagnosis and Interventional Center, Cancer Center, Sun Yat-sen University, Guangzhou, China
| | - Li Zhang
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Peng Zhang
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Meng-Zhong Liu
- State Key Laboratory of Oncology in Southern China, Guangzhou, China
- Department of Radiation Oncology, Cancer Center, Sun Yat-sen University, Guangzhou, China
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
- * E-mail:
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Reirradiation plus EGFR inhibition in locally recurrent and unresectable head and neck cancer. Strahlenther Onkol 2013; 189:842-8. [DOI: 10.1007/s00066-013-0402-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 06/03/2013] [Indexed: 12/11/2022]
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