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  • Title: Thoracoscopic lymph node staging for esophageal cancer.
    Author: Krasna MJ, McLaughlin JS.
    Journal: Ann Thorac Surg; 1993 Sep; 56(3):671-4. PubMed ID: 8379768.
    Abstract:
    Thoracoscopy allows evaluation of the mediastinum and assessment of the local spread of malignancy. Adjuvant therapy trials have shown some increased survival for esophageal cancer although morbidity is high. Preoperative staging may allow appropriate allocation of adjuvant therapy. Patients with esophageal cancer underwent computed tomographic scan, magnetic resonance imaging, and endoesophageal ultrasonography. Thoracoscopic staging was performed through the left chest with biopsy of American Thoracic Society level 5 and 6 and 8 and 9 lymph nodes. Resection at a separate sitting with complete intraoperative lymph node sampling was done. Fourteen patients underwent thoracoscopic lymph node staging. One procedure could not be completed because of adhesions. Of the 13 patients undergoing successful staging, all had correct thoracic lymph node staging confirmed at surgical exploration. Two patients with adenocarcinoma of the distal third/gastroesophageal junction were found at laparotomy to have positive celiac lymph nodes. Two patients who had lymph nodes positive at computed tomographic scan and magnetic resonance imaging were found to have negative lymph nodes at thoracoscopy and subsequent resection. Two patients were found to have pulmonary metastasis at thoracoscopy. Lymph node stage in esophageal carcinoma is an important prognostic indicator. Thoracoscopic lymph node staging provides accurate pre-resection staging information.
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