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  • Title: Salvage high-dose-rate brachytherapy for esophageal cancer in previously irradiated patients: A retrospective analysis.
    Author: Wong Hee Kam S, Rivera S, Hennequin C, Lourenço N, Chirica M, Munoz-Bongrand N, Gornet JM, Quéro L.
    Journal: Brachytherapy; 2015; 14(4):531-6. PubMed ID: 25906950.
    Abstract:
    PURPOSE: To evaluate outcomes after exclusive salvage high-dose-rate (HDR) intraluminal esophageal brachytherapy given to previously irradiated patients with recurrent esophageal cancer. METHODS AND MATERIALS: We reviewed medical records of 30 patients who were treated by salvage HDR brachytherapy for local esophageal cancer. Brachytherapy delivered four to six fractions of 5-7 Gy at 5 mm from the applicator surface and 20 mm above and below the macroscopic tumor volume. RESULTS: Eighty percentage of patients received treatment as initially planned. Complete response rate, evaluated 1 month after brachytherapy by endoscopy and biopsy, was 53%. Squamous histology and complete endoscopic tumor response at 1 month were significantly associated with better local tumor control. Median local progression-free survival was 9.8 months. Overall survival was 31.5% and 17.5% at 1 and 2 years, respectively. On univariate analysis, preserved performance status and limited weight loss (<10%) before salvage brachytherapy were associated with better overall survival. Severe toxicity (Grade ≥3) occurred in 7 patients (23%). CONCLUSIONS: Although esophageal cancer in previously irradiated patients is associated with poor outcomes, HDR brachytherapy may be a valuable salvage treatment for inoperable patients with locally limited esophageal cancer, particularly in the subset of patients with preserved performance status and limited weight loss (≤10%) before salvage brachytherapy.
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