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Updated: Apr 25, 2026
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Published on: September 20, 2020
Arterial chemoradiotherapy for carcinomas of the external auditory canal and middle ear
Masayuki Fujiwara1, Satoshi Yamamoto, Hiroshi Doi
1Department of Radiology, Hyogo College of Medicine, Hyogo, Japan; Department of Radiation Oncology, Meiwa Cancer Clinic, Hyogo, Japan.
Objectives/Hypothesis:
The purpose of this study was to estimate the efficacy of superselective arterial chemoradiotherapy for locally advanced carcinomas of the external auditory canal and middle ear.
Study Design:
A retrospective study of clinical data for consecutive patients with locally advanced carcinomas of the external auditory canal and middle ear.
Methods:
Thirteen patients with locally advanced carcinomas of the external auditory canal and middle ear (T3: one patient, T4: 12 patients) were reviewed. The median follow-up duration in the living patients was 33 months. The total dose of radiation therapy was 60 Gy using conventional fractionation. Four, five, or six courses of a superselective arterial infusion (cisplatin 50 mg) were given weekly.
Results:
The overall survival and progression-free survival rates at 2 years, calculated by the Kaplan-Meier method, were 58.7% and 53.8%, respectively. No late-phase adverse effects due to chemoradiation and no adverse effects due to catheterization were observed.
Conclusions:
These results suggest that superselective arterial chemoradiation can be a treatment option for locally advanced carcinomas of the external auditory canal and middle ear.
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