Japanese Journal of Clinical Oncology, Vol 29, Issue 3 164-170, Copyright © 1999 by Foundation for Promotion of Cancer Research
O Micke, U Schafer, M Glashorster, FJ Prott and N Willich
A 54-year-old man who had been irradiated in 1964 for cervical involvement
by Hodgkin's disease was admitted in December 1994 to our clinic with
strong complaints of dysphagia. The reason was a moderately differentiated
squamous cell carcinoma of the proximal esophagus in the previously
irradiated region. The patient had no risk factors (abuse of nicotine or
alcohol) for the developement of esophageal carcinoma. A reirradiation was
performed, but the disease progressed locally and two weeks after the
beginning of the therapy the patient developed two tracheoesophagocutaneous
fistulae. The radiation therapy was discontinued and the tumor stenosis was
bridged by a tube closing the fistulae. A retrospective dose analysis to
evaluate the applied doses will be performed. Furthermore, an overview of
66 cases of the literature with radiation-induced esophageal carcinoma
analysed concerning applied dose and latent interval will be given. In
conclusion the reported case fits the criteria for radiation-induced
malignancies (Chudecki Br J Radiol 1972;45:303-4) known from literature:
(1) a history of previous irradiation, (2) a cancer occurring within the
irradiated area, (3) gross tissue damage due to an excessive dose of
radiation, and (4) a long latent interval between irradiation and
development of cancer. Esophageal carcinomas belong to the rare secondary
malignancies after the therapeutic use of ionizing radiation. Nevertheless
in patients with dysphagia they should be suspected as a differential
diagnosis even many years after mediastinal irradiation. The treatment of
these tumors is very difficult and is associated with a poor prognosis.
ORIGINAL ARTICLE
Radiation-induced esophageal carcinoma 30 years after mediastinal irradiation: case report and review of the literature
Department of Radiotherapy and Radiation Oncology, University of Munster, Germany. OMicke@aol.com
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