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The clinical outcomes of thymectomy combined with radiotherapy or cyclophosphamide treatment for myasthenia gravis patients with thymoma / 中华内科杂志
Chinese Journal of Internal Medicine ; (12): 201-204, 2015.
Article in Chinese | WPRIM | ID: wpr-468628
ABSTRACT
Objective To evaluate the therapeutic effects of thymectomy in myasthenia gravis (MG) patients with thymoma.Methods A total of 178 MG patients with thymectomy between July 2008 and December 2010 were included.All the subjects were received either cyclophosphamide alone or in combination with radiotherapeutic treatment after surgery.The MG absolute and relative clinical scores were used to assess the effectiveness of long-term trcatments.Clinical evaluations were conducted before,and at 1,6,12 and 24 months after operation.A comparative analysis on the inter-relationships among MG clinical presentation,WHO histology aud Masaoka stage was also conducted.Results (1) Of the 178 thymomapatients,103 were male and 75 were female,with a mean age of (43.7 ± 12.5)-years old.One hundred and twelve cases were taken cyclophosphamide,and 58 cases with invasive thymoma (stages Ⅱ,Ⅲ and Ⅳ or WHO type B3) were taken cyclophosphamide in combination with radiotherapy.Five patients refused cyclophosphamide or radiotherapy and 3 did not finish treatment.(2) The muscular strength improved obviously in 32.8% (58/177) of the patients after 1 month after thymectomy,and 59.8% (101/169),69.7% (115/165) and 81.5% (132/162) after 6 months,1 year and 2 years,respectively with MG score for disease severity decreased significantly with time.(3) No significant differences of the improvement rates were observed in patients within different WHO histology category.However,the rates were much higher in patients with Masaoka stage Ⅰ (91.4%) and stage Ⅱ (89.8%) than those in patients with stage Ⅲ (45.5%) and Ⅳ(28.6%) (all P<0.001).Conclusions The remission rate of MG patients with thymomas increase after thymectomy plus cyclophosphamide or in combination with radiotherapy and reached 81.5% after 2 years.The remission rate is associated with Masaoka stagc,but not with WHO histology.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Internal Medicine Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Internal Medicine Year: 2015 Type: Article