Radiation Therapy for Middle Ear Carcinoma: A Report of Three Cases.

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  • 放射線治療を行った中耳癌の３例
  • リンショウ ホウシャセン チリョウ オ オコナッタ チュウジガン ノ 3レイ

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Abstract

Three cases of middle ear carcinoma treated at our hospital are reported. All cases had histories of chronic otitis media or middle ear surgery. According to Stell's classification, staging was T3N0M0, T2N0M0 and T3N0M0, respectively. Because of advanced age or tumor extension around the carotid artery or the dura mater, irradiation, but not surgery, was indicated in all cases. Two of three cases also received Stereotactic Radiosurgery (SRS) to residual tumors. To date, both patients treated with SRS have survived for two years without recurrence. Another patient with a residual tumor with a volume beyond SRS indication died of disease one year after irradiation. We suggest that adding SRS therapy to irradiation is effective in the treatment of middle ear carcinoma.

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