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  • Title: Reirradiation for recurrent neck metastases of head-and-neck tumors using CT-guided interstitial 192Ir HDR brachytherapy.
    Author: Kolotas C, Tselis N, Sommerlad M, Röddiger S, Schnabel T, Baltas D, Kalogera-Fountzila A, Fountzilas G, Zamboglou N.
    Journal: Strahlenther Onkol; 2007 Feb; 183(2):69-75. PubMed ID: 17294110.
    Abstract:
    PURPOSE: To report the therapeutic results obtained with CT-guided interstitial high-dose-rate brachytherapy (HDR-BRT) as exclusive treatment for recurrent neck metastases of head-and-neck tumors. PATIENTS AND METHODS: Between 1995 and 1999, 49 patients with prior radiation therapy (RT) with or without surgery for primary head-and-neck tumors were treated for recurrent neck metastases located within previously irradiated volumes. All patients had fixed lymphadenopathy with a mean tumor volume of 96 cm(3) (range, 15-452 cm(3)). There were 38 males and eleven females with a mean age of 60 years (range, 28-79 years). All patients had previously received RT as primary or adjuvant treatment with a mean dose of 54 Gy (range, 45-80 Gy). 36 patients (73%) underwent surgery, and 26 (53%) received adjuvant or palliative chemotherapy. The accelerated hyperfractionated interstitial HDR-BRT (2 x 3.0 Gy/day) delivered 30 Gy in 37/49 (75%) and 36 Gy in 12/49 implants (25%). RESULTS: At a minimum 6-week follow-up, the response rate was 83% (41/49) with complete remission in 20% (10/49) and partial remission in 63% (31/49) of the implanted tumor sites. 8/49 patients (17%) did not respond to the treatment. After 19 months of median follow-up, the local control rate was 69% and a total of 15/49 patients (30%) experienced local disease progression. Of these, nine (18%) had locoregional progression and six (12%) progression within the treated volume. The median post-BRT survival was 14 months. The overall survival rate was 52% at 1 year, 31% at 2 years, and 6% at 3 years. CONCLUSION: In patients with recurrent cervical lymphadenopathy of head-and-neck tumors, exclusive interstitial HDR-BRT can provide palliation and tumor control.
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