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Prognostic significance of c-erbB-2/HER2 expression in advanced uterine cervical carcinoma with para-aortic lymph node metastasis treated with radiation therapy
  1. Y. Niibe*,,
  2. T. Nakano*,,
  3. T. Ohno*,
  4. Y. Suzuki,
  5. K. Oka§ and
  6. H. Tsujii*
  1. * Division of Radiation Medicine, National Institute of Radiological Sciences, Chiba
  2. Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, Tokyo
  3. Department of Radiology and Radiation Oncology, Gunma University School of Medicine, Maebashi
  4. § Department of Pathology, Mito Saiseikai General Hospital, Mito, Japan
  1. Address correspondence and reprint requests to: Yuzuru Niibe MD, PhD, Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, 1-15-1, Kitasato, Sagamihara-shi, Kanagawa, 228-8555, Japan. E-mail: joe-n{at}


This paper looks at whether c-erbB-2/HER2 expression in uterine cervical carcinoma before treatment is a predictive parameter of prognosis in patients with para-aortic lymph node metastasis (PALN) in advanced disease after treatment with radiation therapy (RT). Twenty-one patients with PALN at the first visit and/or during follow-up and treated with RT for PALN lesions were studied. Their clinical stages were IIIB or greater and they were referred to the National Institute of Radiological Sciences Hospital for RT between 1987 and 1995. They consisted of 12 patients with PALN detected at the first visit and nine with PALN detected during the follow-up period. All patients had no distant metastasis except PALN. They were treated with a combination of external whole pelvis and intracavitary irradiation to the primary pelvic lesions. The PALN was treated with external irradiation alone with anterior-posterior parallel opposed fields and anterior oblique fields or anterior-posterior parallel opposed oblique fields. The average total dose to PALN was 53.3 Gy (40–61Gy). Tissue samples were obtained from cervical tumors (primary lesions) before RT. Immunohistochemical staining was performed using anti-c-erbB-2/HER2 monoclonal antibody for conventional paraffin sections. c-erbB-2/HER2 positive staining was observed in cancer membrane and cytoplasm. Nine specimens were positive for c-erb-B2/HER2 and the total positive rate was 43%. The 5-year survival rate was 38% for all patients. The 5-year survival rate of the c-erbB-2/HER2 positive patients was 28%, representing a trend toward poorer prognosis than the 52% of negative patients (P= 0.10). Multivariate analysis using Cox proportional hazards model showed that c-erbB-2/HER2 was an independent prognostic factor (P = 0.024). The present study suggests that c-erbB-2/HER2 expression of cervical tumors might be a predictive parameter of prognosis after radiation therapy for PALN of very advanced uterine cervical carcinoma patients.

  • c-erb B-2
  • HER2
  • para-aortic lymph node metastasis
  • radiation therapy
  • uterine cervical carcinoma

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