The Annals of thoracic surgery · 2005
Prognostic factors in thymic epithelial tumors undergoing complete resection.
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Zisis Charalambos, Rontogianni Dimitra, Tzavara Chara, Stefanaki Kalliopi, Chatzimichalis Antonios, Loutsidis Antonios, Iliadis Kosmas, Kontaxis Argirios, Dosios Theodosios, Bellenis Ion
Аннотация
BACKGROUND: The prognostic factors in thymic epithelial tumors (TET) are investigated within a 27-year period in 104 patients submitted to surgical and pathologic complete resection of TET with a mean age of 53 +/- 14.6 years and a male to female ratio of 0.73.
METHODS: The medical records of all patients were reviewed and six variables that could affect the short-term and long-term survival were entered into a Cox regression model. Follow-up was obtained from medical records and telephone contacts up to September 2004 or until the patient's death.
RESULTS: Overall 5-year and 10-year survival was 83% and 78%, respectively. Univariate Cox regression analysis showed that long survival was affected by the age of the patient at the time of operation, the response of myasthenia gravis to the operation, the tumor recurrence, the histologic type according to the World Health Organization (WHO) classification, and the Masaoka stage. Multivariate analysis revealed that recurrence of the tumor (p = 0.001), Masaoka stages II or III (p < 0.001), elder age of the patient at the time of operation (p = 0.045), and presence of the WHO histologic types B2 or B3 (p = 0.05) were bad prognostic factors.
CONCLUSIONS: Recurrence of the tumor, the Masaoka staging, the WHO histologic type, and the age of the patient at the time of operation were the most important prognosticators for patients with TET submitted to complete resection of their tumor.
METHODS: The medical records of all patients were reviewed and six variables that could affect the short-term and long-term survival were entered into a Cox regression model. Follow-up was obtained from medical records and telephone contacts up to September 2004 or until the patient's death.
RESULTS: Overall 5-year and 10-year survival was 83% and 78%, respectively. Univariate Cox regression analysis showed that long survival was affected by the age of the patient at the time of operation, the response of myasthenia gravis to the operation, the tumor recurrence, the histologic type according to the World Health Organization (WHO) classification, and the Masaoka stage. Multivariate analysis revealed that recurrence of the tumor (p = 0.001), Masaoka stages II or III (p < 0.001), elder age of the patient at the time of operation (p = 0.045), and presence of the WHO histologic types B2 or B3 (p = 0.05) were bad prognostic factors.
CONCLUSIONS: Recurrence of the tumor, the Masaoka staging, the WHO histologic type, and the age of the patient at the time of operation were the most important prognosticators for patients with TET submitted to complete resection of their tumor.