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Title: Severe Dry Eye Syndrome After Radiotherapy for Head-and-Neck Tumors

Abstract

Purpose: To investigate the incidence of severe dry eye syndrome (DES) after external beam radiotherapy for head-and-neck cancer and its dependence on the parameters relevant to external beam radiotherapy. Methods and Materials: The present retrospective study included 78 patients treated for primary extracranial head-and-neck tumors between 1965 and 2000, whose lacrimal apparatus/entire globe was exposed to fractionated external beam radiotherapy. The dose received by the major lacrimal gland was used for analysis. The end point of the present study was the ophthalmologic diagnosis of severe DES leading to vision compromise. Results: Of the 78 patients, 40 developed severe DES leading to visual compromise. The incidence of DES increased steadily from 6% at 35-39.99 Gy to 50% at 45-49.99 Gy and 90% at 60-64.99 Gy. With a mean of 0.9 years (range, 1 month to 3 years), the latency of DES was observed to be a function of the total dose and the dose per fraction. On univariate and multivariate analysis, the total dose (p < .0001 and p < .0001, respectively) and dose per fraction (p {<=} .0001 and p = .0044, respectively) were significant. However, age, gender, and the use of chemoradiotherapy were not. The actuarial analysis indicated amore » 5-year probability of freedom from DES of 93% for doses <45 Gy, 29% for 45-59.9 Gy, and 3% doses {>=}60 Gy. A logistic normal tissue complication probability model fit to our data obtained a dose of 34 and 38 Gy corresponding to a 5% and 10% incidence of DES. Conclusion: With a dose of 34 Gy corresponding to a 5% incidence of DES, the risk of severe DES increased, and the latency decreased with an increase in the total dose and dose per fraction to the lacrimal gland. The effect of chemoradiotherapy and hyperfractionation on the risk of DES needs additional investigation.« less

Authors:
 [1];  [2];  [3];  [1];  [4];  [1]
  1. Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL (United States)
  2. Vancouver Cancer Centre, Vancouver, BC (Canada)
  3. University of California, San Diego, San Diego, CA (United States)
  4. Department of Ophthalmology and Medicine (Division of Neurology), Duke University Medical Center, Durham, NC (United States)
Publication Date:
OSTI Identifier:
22056179
Resource Type:
Journal Article
Journal Name:
International Journal of Radiation Oncology, Biology and Physics
Additional Journal Information:
Journal Volume: 82; Journal Issue: 4; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0360-3016
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; COMBINED THERAPY; DIAGNOSIS; GLANDS; HAZARDS; HEAD; MULTIVARIATE ANALYSIS; NECK; NEOPLASMS; PATIENTS; PROBABILITY; RADIATION DOSES; RADIOTHERAPY

Citation Formats

Bhandare, Niranjan, Moiseenko, Vitali, Song, William Y, Morris, Christopher G, Bhatti, M Tariq, and Mendenhall, William M. Severe Dry Eye Syndrome After Radiotherapy for Head-and-Neck Tumors. United States: N. p., 2012. Web. doi:10.1016/J.IJROBP.2011.05.026.
Bhandare, Niranjan, Moiseenko, Vitali, Song, William Y, Morris, Christopher G, Bhatti, M Tariq, & Mendenhall, William M. Severe Dry Eye Syndrome After Radiotherapy for Head-and-Neck Tumors. United States. https://doi.org/10.1016/J.IJROBP.2011.05.026
Bhandare, Niranjan, Moiseenko, Vitali, Song, William Y, Morris, Christopher G, Bhatti, M Tariq, and Mendenhall, William M. 2012. "Severe Dry Eye Syndrome After Radiotherapy for Head-and-Neck Tumors". United States. https://doi.org/10.1016/J.IJROBP.2011.05.026.
@article{osti_22056179,
title = {Severe Dry Eye Syndrome After Radiotherapy for Head-and-Neck Tumors},
author = {Bhandare, Niranjan and Moiseenko, Vitali and Song, William Y and Morris, Christopher G and Bhatti, M Tariq and Mendenhall, William M},
abstractNote = {Purpose: To investigate the incidence of severe dry eye syndrome (DES) after external beam radiotherapy for head-and-neck cancer and its dependence on the parameters relevant to external beam radiotherapy. Methods and Materials: The present retrospective study included 78 patients treated for primary extracranial head-and-neck tumors between 1965 and 2000, whose lacrimal apparatus/entire globe was exposed to fractionated external beam radiotherapy. The dose received by the major lacrimal gland was used for analysis. The end point of the present study was the ophthalmologic diagnosis of severe DES leading to vision compromise. Results: Of the 78 patients, 40 developed severe DES leading to visual compromise. The incidence of DES increased steadily from 6% at 35-39.99 Gy to 50% at 45-49.99 Gy and 90% at 60-64.99 Gy. With a mean of 0.9 years (range, 1 month to 3 years), the latency of DES was observed to be a function of the total dose and the dose per fraction. On univariate and multivariate analysis, the total dose (p < .0001 and p < .0001, respectively) and dose per fraction (p {<=} .0001 and p = .0044, respectively) were significant. However, age, gender, and the use of chemoradiotherapy were not. The actuarial analysis indicated a 5-year probability of freedom from DES of 93% for doses <45 Gy, 29% for 45-59.9 Gy, and 3% doses {>=}60 Gy. A logistic normal tissue complication probability model fit to our data obtained a dose of 34 and 38 Gy corresponding to a 5% and 10% incidence of DES. Conclusion: With a dose of 34 Gy corresponding to a 5% incidence of DES, the risk of severe DES increased, and the latency decreased with an increase in the total dose and dose per fraction to the lacrimal gland. The effect of chemoradiotherapy and hyperfractionation on the risk of DES needs additional investigation.},
doi = {10.1016/J.IJROBP.2011.05.026},
url = {https://www.osti.gov/biblio/22056179}, journal = {International Journal of Radiation Oncology, Biology and Physics},
issn = {0360-3016},
number = 4,
volume = 82,
place = {United States},
year = {Thu Mar 15 00:00:00 EDT 2012},
month = {Thu Mar 15 00:00:00 EDT 2012}
}