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Title: Favorable Local Control From Consolidative Radiation Therapy in High-Risk Neuroblastoma Despite Gross Residual Disease, Positive Margins, or Nodal Involvement

Abstract

Purpose: To report the influence of radiation therapy (RT) dose and surgical pathology variables on disease control and overall survival (OS) in patients treated for high-risk neuroblastoma at a single institution. Methods and Materials: We conducted a retrospective study of 67 high-risk neuroblastoma patients who received RT as part of definitive management from January 2003 until May 2014. Results: At a median follow-up of 4.5 years, 26 patients (38.8%) failed distantly; 4 of these patients also failed locally. One patient progressed locally without distant failure. Local control was 92.5%, and total disease control was 59.5%. No benefit was demonstrated for RT doses over 21.6 Gy with respect to local relapse–free survival (P=.55), disease-free survival (P=.22), or OS (P=.72). With respect to local relapse–free survival, disease-free survival, and OS, no disadvantage was seen for positive lymph nodes on surgical pathology, positive surgical margins, or gross residual disease. Of the patients with gross residual disease, 75% (6 of 8) went on to have no evidence of disease at time of last follow-up, and the 2 patients who failed did so distantly. Conclusions: Patients with high-risk neuroblastoma in this series maintained excellent local control, with no benefit demonstrated for radiation doses over 21.6 Gy, and no disadvantage demonstrated formore » gross residual disease after surgery, positive surgical margins, or pathologic lymph node positivity. Though the limitations of a retrospective review for an uncommon disease must be kept in mind, with small numbers in some of the subgroups, it seems that dose escalation should be considered only in exceptional circumstances.« less

Authors:
 [1];  [2];  [1];  [2];  [3];  [2];  [1];  [2]; ; ; ;  [4]; ; ;  [1];  [2]
  1. Department of Radiation Oncology, Emory University, Atlanta, Georgia (United States)
  2. (United States)
  3. Winship Cancer Institute, Emory University, Atlanta, Georgia (United States)
  4. Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, Georgia (United States)
Publication Date:
OSTI Identifier:
22649870
Resource Type:
Journal Article
Resource Relation:
Journal Name: International Journal of Radiation Oncology, Biology and Physics; Journal Volume: 97; Journal Issue: 4; Other Information: Copyright (c) 2016 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; DISEASES; GY RANGE 10-100; LYMPH NODES; PATHOLOGY; PATIENTS; RADIATION DOSES; RADIATION HAZARDS; RADIOTHERAPY; SURGERY; SURVIVAL TIME

Citation Formats

Ferris, Matthew J., E-mail: mjferri@emory.edu, Winship Cancer Institute, Emory University, Atlanta, Georgia, Danish, Hasan, Winship Cancer Institute, Emory University, Atlanta, Georgia, Switchenko, Jeffrey M., Department of Biostatistics and Bioinformatics, Emory University, Atlanta, Georgia, Deng, Claudia, Winship Cancer Institute, Emory University, Atlanta, Georgia, George, Bradley A., Goldsmith, Kelly C., Wasilewski, Karen J., Cash, W. Thomas, Khan, Mohammad K., Eaton, Bree R., Esiashvili, Natia, and Winship Cancer Institute, Emory University, Atlanta, Georgia. Favorable Local Control From Consolidative Radiation Therapy in High-Risk Neuroblastoma Despite Gross Residual Disease, Positive Margins, or Nodal Involvement. United States: N. p., 2017. Web. doi:10.1016/J.IJROBP.2016.11.043.
Ferris, Matthew J., E-mail: mjferri@emory.edu, Winship Cancer Institute, Emory University, Atlanta, Georgia, Danish, Hasan, Winship Cancer Institute, Emory University, Atlanta, Georgia, Switchenko, Jeffrey M., Department of Biostatistics and Bioinformatics, Emory University, Atlanta, Georgia, Deng, Claudia, Winship Cancer Institute, Emory University, Atlanta, Georgia, George, Bradley A., Goldsmith, Kelly C., Wasilewski, Karen J., Cash, W. Thomas, Khan, Mohammad K., Eaton, Bree R., Esiashvili, Natia, & Winship Cancer Institute, Emory University, Atlanta, Georgia. Favorable Local Control From Consolidative Radiation Therapy in High-Risk Neuroblastoma Despite Gross Residual Disease, Positive Margins, or Nodal Involvement. United States. doi:10.1016/J.IJROBP.2016.11.043.
Ferris, Matthew J., E-mail: mjferri@emory.edu, Winship Cancer Institute, Emory University, Atlanta, Georgia, Danish, Hasan, Winship Cancer Institute, Emory University, Atlanta, Georgia, Switchenko, Jeffrey M., Department of Biostatistics and Bioinformatics, Emory University, Atlanta, Georgia, Deng, Claudia, Winship Cancer Institute, Emory University, Atlanta, Georgia, George, Bradley A., Goldsmith, Kelly C., Wasilewski, Karen J., Cash, W. Thomas, Khan, Mohammad K., Eaton, Bree R., Esiashvili, Natia, and Winship Cancer Institute, Emory University, Atlanta, Georgia. Wed . "Favorable Local Control From Consolidative Radiation Therapy in High-Risk Neuroblastoma Despite Gross Residual Disease, Positive Margins, or Nodal Involvement". United States. doi:10.1016/J.IJROBP.2016.11.043.
@article{osti_22649870,
title = {Favorable Local Control From Consolidative Radiation Therapy in High-Risk Neuroblastoma Despite Gross Residual Disease, Positive Margins, or Nodal Involvement},
author = {Ferris, Matthew J., E-mail: mjferri@emory.edu and Winship Cancer Institute, Emory University, Atlanta, Georgia and Danish, Hasan and Winship Cancer Institute, Emory University, Atlanta, Georgia and Switchenko, Jeffrey M. and Department of Biostatistics and Bioinformatics, Emory University, Atlanta, Georgia and Deng, Claudia and Winship Cancer Institute, Emory University, Atlanta, Georgia and George, Bradley A. and Goldsmith, Kelly C. and Wasilewski, Karen J. and Cash, W. Thomas and Khan, Mohammad K. and Eaton, Bree R. and Esiashvili, Natia and Winship Cancer Institute, Emory University, Atlanta, Georgia},
abstractNote = {Purpose: To report the influence of radiation therapy (RT) dose and surgical pathology variables on disease control and overall survival (OS) in patients treated for high-risk neuroblastoma at a single institution. Methods and Materials: We conducted a retrospective study of 67 high-risk neuroblastoma patients who received RT as part of definitive management from January 2003 until May 2014. Results: At a median follow-up of 4.5 years, 26 patients (38.8%) failed distantly; 4 of these patients also failed locally. One patient progressed locally without distant failure. Local control was 92.5%, and total disease control was 59.5%. No benefit was demonstrated for RT doses over 21.6 Gy with respect to local relapse–free survival (P=.55), disease-free survival (P=.22), or OS (P=.72). With respect to local relapse–free survival, disease-free survival, and OS, no disadvantage was seen for positive lymph nodes on surgical pathology, positive surgical margins, or gross residual disease. Of the patients with gross residual disease, 75% (6 of 8) went on to have no evidence of disease at time of last follow-up, and the 2 patients who failed did so distantly. Conclusions: Patients with high-risk neuroblastoma in this series maintained excellent local control, with no benefit demonstrated for radiation doses over 21.6 Gy, and no disadvantage demonstrated for gross residual disease after surgery, positive surgical margins, or pathologic lymph node positivity. Though the limitations of a retrospective review for an uncommon disease must be kept in mind, with small numbers in some of the subgroups, it seems that dose escalation should be considered only in exceptional circumstances.},
doi = {10.1016/J.IJROBP.2016.11.043},
journal = {International Journal of Radiation Oncology, Biology and Physics},
number = 4,
volume = 97,
place = {United States},
year = {Wed Mar 15 00:00:00 EDT 2017},
month = {Wed Mar 15 00:00:00 EDT 2017}
}