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  • Title: Outcome of an original video-assisted thoracoscopic extended thymectomy for thymoma.
    Author: Takeo S, Tsukamoto S, Kawano D, Katsura M.
    Journal: Ann Thorac Surg; 2011 Dec; 92(6):2000-5. PubMed ID: 22115209.
    Abstract:
    BACKGROUND: Video-assisted thoracoscopic extended thymectomy (VATET) for a thymoma larger than 5 cm in size is still technically difficult. METHODS: Thirty-five patients with clinical Masaoka stage I thymoma underwent an original VATET procedure between November 1998 and December 2009. RESULTS: All patients successfully underwent VATET, and none required conversion to a median sternotomy. Two patients also underwent partial resection of the lung and pericardium. Although there were no perioperative deaths, 3 patients experienced minor complications. The average tumor size was 5.2 cm. Fifteen tumors were larger than 5 cm. Pathologically, 15 were Masaoka stage I, 19 were stage II, and one was stage III. There were no significant differences in the tumor size between stages I and II. There were two type A, eight type AB, 15 type B1, five type B2, and three type B3 tumors and two thymic carcinomas. Twenty tumors were located in the right side of the body, five were in the middle, and ten were on the left. There were no differences in tumor size or pathologic stage according to location. There were also no differences in pathologic stage according to tumor size. The average follow-up period was 65 months. One patient showed recurrence to the bilateral lung 3.5 years after the procedure. After resection, this patient was free of disease 5 years after the first procedure. There has been no recurrence in any of the other patients. CONCLUSIONS: Our original VATET procedure may be indicated for patients with clinical Masaoka stages I and II thymoma and in those with tumors larger than 5 cm.
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