A M Chen

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint Differential response rates to irradiation among patients with human papillomavirus positive and negative oropharyngeal cancer
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis, Comprehensive Cancer Center, Sacramento, California, USA
    Laryngoscope 123:152-7. 2013
  2. doi request reprint Brachial plexus-associated neuropathy after high-dose radiation therapy for head-and-neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis School of Medicine, Sacramento, California, USA
    Int J Radiat Oncol Biol Phys 84:165-9. 2012
  3. doi request reprint Intensity-modulated radiotherapy is associated with improved global quality of life among long-term survivors of head-and-neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 84:170-5. 2012
  4. pmc Intensity-modulated radiotherapy for nasopharyngeal carcinoma: improvement of the therapeutic ratio with helical tomotherapy vs segmental multileaf collimator-based techniques
    A M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Br J Radiol 85:e537-43. 2012
  5. doi request reprint Utility of daily image guidance with intensity-modulated radiotherapy for tumors of the base of skull
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, California, USA
    Head Neck 34:763-70. 2012
  6. doi request reprint Practical considerations in the re-irradiation of recurrent and second primary head-and-neck cancer: who, why, how, and how much?
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 81:1211-9. 2011
  7. pmc Clinical-dosimetric analysis of measures of dysphagia including gastrostomy-tube dependence among head and neck cancer patients treated definitively by intensity-modulated radiotherapy with concurrent chemotherapy
    Baoqing Li
    Departments of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Radiat Oncol 4:52. 2009
  8. ncbi request reprint Comparison of IMRT techniques in the radiotherapeutic management of head and neck cancer: is tomotherapy "better" than step-and-shoot IMRT?
    A M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, 4501 X Street, Suite G140 Sacramento, CA, USA
    Technol Cancer Res Treat 10:171-7. 2011
  9. doi request reprint Radiation therapy in the management of head-and-neck cancer of unknown primary origin: how does the addition of concurrent chemotherapy affect the therapeutic ratio?
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA, USA
    Int J Radiat Oncol Biol Phys 81:346-52. 2011
  10. doi request reprint Evaluation of the planning target volume in the treatment of head and neck cancer with intensity-modulated radiotherapy: what is the appropriate expansion margin in the setting of daily image guidance?
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA
    Int J Radiat Oncol Biol Phys 81:943-9. 2011

Collaborators

Detail Information

Publications28

  1. doi request reprint Differential response rates to irradiation among patients with human papillomavirus positive and negative oropharyngeal cancer
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis, Comprehensive Cancer Center, Sacramento, California, USA
    Laryngoscope 123:152-7. 2013
    ....
  2. doi request reprint Brachial plexus-associated neuropathy after high-dose radiation therapy for head-and-neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis School of Medicine, Sacramento, California, USA
    Int J Radiat Oncol Biol Phys 84:165-9. 2012
    ..To identify clinical and treatment-related predictors of brachial plexus-associated neuropathies after radiation therapy for head-and-neck cancer...
  3. doi request reprint Intensity-modulated radiotherapy is associated with improved global quality of life among long-term survivors of head-and-neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 84:170-5. 2012
    ..To compare the long-term quality of life among patients treated with and without intensity-modulated radiotherapy (IMRT) for head-and-neck cancer...
  4. pmc Intensity-modulated radiotherapy for nasopharyngeal carcinoma: improvement of the therapeutic ratio with helical tomotherapy vs segmental multileaf collimator-based techniques
    A M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Br J Radiol 85:e537-43. 2012
    ....
  5. doi request reprint Utility of daily image guidance with intensity-modulated radiotherapy for tumors of the base of skull
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, California, USA
    Head Neck 34:763-70. 2012
    ..This study was carried out to report our experience using intensity-modulated radiotherapy (IMRT) with daily image-guided radiotherapy (IGRT) for tumors involving the base of skull...
  6. doi request reprint Practical considerations in the re-irradiation of recurrent and second primary head-and-neck cancer: who, why, how, and how much?
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 81:1211-9. 2011
    ..Numerous questions remain unanswered, and practical guidelines for clinical decision-making are sparse...
  7. pmc Clinical-dosimetric analysis of measures of dysphagia including gastrostomy-tube dependence among head and neck cancer patients treated definitively by intensity-modulated radiotherapy with concurrent chemotherapy
    Baoqing Li
    Departments of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Radiat Oncol 4:52. 2009
    ..To investigate the association between dose to various anatomical structures and dysphagia among patients with head and neck cancer treated by definitive intensity-modulated radiotherapy (IMRT) and concurrent chemotherapy...
  8. ncbi request reprint Comparison of IMRT techniques in the radiotherapeutic management of head and neck cancer: is tomotherapy "better" than step-and-shoot IMRT?
    A M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, 4501 X Street, Suite G140 Sacramento, CA, USA
    Technol Cancer Res Treat 10:171-7. 2011
    ..Prospective studies are needed to further evaluate how HT may affect the therapeutic ratio...
  9. doi request reprint Radiation therapy in the management of head-and-neck cancer of unknown primary origin: how does the addition of concurrent chemotherapy affect the therapeutic ratio?
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA, USA
    Int J Radiat Oncol Biol Phys 81:346-52. 2011
    ..To determine how the addition of cisplatin-based concurrent chemotherapy to radiation therapy influences outcomes among a cohort of patients treated for head-and-neck cancer of unknown primary origin...
  10. doi request reprint Evaluation of the planning target volume in the treatment of head and neck cancer with intensity-modulated radiotherapy: what is the appropriate expansion margin in the setting of daily image guidance?
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA
    Int J Radiat Oncol Biol Phys 81:943-9. 2011
    ....
  11. pmc Intensity-modulated radiotherapy increases dose to the brachial plexus compared with conventional radiotherapy for head and neck cancer
    A M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, USA
    Br J Radiol 84:58-63. 2011
    ..The purpose of this study was to compare dose-volume characteristics with the brachial plexus between treatment plans generated by IMRT and CRT using several common treatment scenarios...
  12. doi request reprint Marginal misses after postoperative intensity-modulated radiotherapy for head and neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA
    Int J Radiat Oncol Biol Phys 80:1423-9. 2011
    ..To describe the spatial distribution of local-regional recurrence (LRR) among patients treated postoperatively with intensity-modulated radiotherapy (IMRT) for head and neck cancer...
  13. doi request reprint Head and neck cancer among lifelong never-smokers and ever-smokers: matched-pair analysis of outcomes after radiation therapy
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA, USA
    Am J Clin Oncol 34:270-5. 2011
    ..The purpose of this analysis was to compare the clinical outcomes between patients without a history of smoking (never-smokers) and those with a previous history of smoking (ever-smokers) treated by radiation therapy...
  14. doi request reprint Prospective trial of high-dose reirradiation using daily image guidance with intensity-modulated radiotherapy for recurrent and second primary head-and-neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California, Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 80:669-76. 2011
    ..To report a single-institutional experience using intensity-modulated radiotherapy with daily image-guided radiotherapy for the reirradiation of recurrent and second cancers of the head and neck...
  15. doi request reprint Initial clinical experience with helical tomotherapy for head and neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA
    Head Neck 31:1571-8. 2009
    ..To report a single-institutional experience with the use of helical tomotherapy (HT)-based intensity-modulated radiotherapy (IMRT) for head and neck cancer...
  16. doi request reprint Late esophageal toxicity after radiation therapy for head and neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, California 95817, USA
    Head Neck 32:178-83. 2010
    ..The aim of this study was to determine the incidence of esophageal toxicity after radiation therapy for head and neck cancer...
  17. doi request reprint Base of skull recurrences after treatment of salivary gland cancer with perineural invasion reduced by postoperative radiotherapy
    A M Chen
    Department of Radiation Oncology, University of California, Davis, Cancer Center, Sacramento, CA 95817, USA
    Clin Otolaryngol 34:539-45. 2009
    ..To determine the effect of postoperative radiation therapy for salivary gland carcinomas in the presence of microscopic perineural invasion...
  18. doi request reprint Potential of helical tomotherapy to reduce dose to the ocular structures for patients treated for unresectable sinonasal cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA, USA
    Am J Clin Oncol 33:595-8. 2010
    ..To compare intensity-modulated radiotherapy (IMRT) treatment plans generated by segmental multileaf collimator (SMLC) and helical tomotherapy (HT) techniques for patients with unresectable sinonasal cancer...
  19. doi request reprint Misses and near-misses after postoperative radiation therapy for head and neck cancer: Comparison of IMRT and non-IMRT techniques in the CT-simulation era
    Allen M Chen
    Department of Radiation Oncology, Head and Neck Surgery, University of California Davis School of Medicine, Sacramento, CA 95817, USA
    Head Neck 32:1452-9. 2010
    ....
  20. doi request reprint Evaluating the role of prophylactic gastrostomy tube placement prior to definitive chemoradiotherapy for head and neck cancer
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 78:1026-32. 2010
    ..To determine the effect of prophylactic gastrostomy tube (GT) placement on acute and long-term outcome for patients treated with definitive chemoradiotherapy for locally advanced head and neck cancer...
  21. doi request reprint Tobacco smoking during radiation therapy for head-and-neck cancer is associated with unfavorable outcome
    Allen M Chen
    Department of Radiation Oncology, University of California Davis Cancer Center, Sacramento, CA, USA
    Int J Radiat Oncol Biol Phys 79:414-9. 2011
    ..To evaluate the effect of continued cigarette smoking among patients undergoing radiation therapy for head-and-neck cancer by comparing the clinical outcomes among active smokers and quitters...
  22. doi request reprint Improved dosimetric and clinical outcomes with intensity-modulated radiotherapy for head-and-neck cancer of unknown primary origin
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, CA 95817, USA
    Int J Radiat Oncol Biol Phys 79:756-62. 2011
    ....
  23. ncbi request reprint Comparison of intensity-modulated radiotherapy using helical tomotherapy and segmental multileaf collimator-based techniques for nasopharyngeal carcinoma: dosimetric analysis incorporating quality assurance guidelines from RTOG 0225
    Allen M Chen
    Departments of Radiation Oncology, University of California Davis Cancer Center, 4501 X Street, Suite G140, Sacramento, CA, USA
    Technol Cancer Res Treat 9:291-8. 2010
    ..02), larynx (p = 0.03), and oral cavity (p = 0.03). These findings suggest that HT-IMRT may be of improve the therapeutic ratio in the radiotherapeutic treatment of nasopharyngeal carcinoma...
  24. doi request reprint Palliative radiation therapy for head and neck cancer: toward an optimal fractionation scheme
    Allen M Chen
    Department of Radiation Oncology, University of California Davis School of Medicine, Sacramento, California 95817, USA
    Head Neck 30:1586-91. 2008
    ..To analyze the efficacy of various fractionation schedules for the palliation of head and neck cancer with radiation therapy...
  25. pmc Clinical-dosimetric relationship between lacrimal gland dose and ocular toxicity after intensity-modulated radiotherapy for sinonasal tumours
    S S Batth
    Department of Radiation Oncology, University of California, Davis, Comprehensive Cancer Center, Sacramento, CA, USA
    Br J Radiol 86:20130459. 2013
    ..To characterise the relationship between lacrimal gland dose and ocular toxicity among patients treated by intensity-modulated radiotherapy (IMRT) for sinonasal tumours...
  26. ncbi request reprint Changes in position and volume of lung cancer target volumes during stereotactic body radiotherapy (SBRT): is image guidance necessary?
    B S K Yi
    Department of Radiation Oncology, University of California, Davis Cancer Center 4501 X St, G 140 Sacramento, CA 95817, USA
    Technol Cancer Res Treat 10:495-504. 2011
    ..Shifts (particularly in the superior-inferior axis) may exceed applied margins and compromise target coverage. Due to the extreme hypofractionation associated with SBRT, inter-fractional image guidance is necessary...
  27. pmc Evaluation of hippocampus dose for patients undergoing intensity-modulated radiotherapy for nasopharyngeal carcinoma
    B Khodayari
    Department of Radiation Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, CA, USA
    Br J Radiol 87:20130474. 2014
    ..To evaluate the dose received by the hippocampus among patients undergoing intensity-modulated radiotherapy (IMRT) for nasopharyngeal cancer...
  28. pmc Overstaging of cartilage invasion by multidetector CT scan for laryngeal cancer and its potential effect on the use of organ preservation with chemoradiation
    B Li
    Department of Radiation Oncology, University of California Davis Medical Center, Sacramento, 95817, USA
    Br J Radiol 84:64-9. 2011
    ..The purpose of this study was to evaluate the positive predictive value (PPV) and negative predictive value (NPV) of detecting neoplastic cartilage invasion in laryngeal cancer patients using fast-speed multidetector CT (MDCT)...