外科的に切除し得た胸腺腫術後肺転移の2例

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There have been few case reports of metastasis through hematogenous or lymphogenous spread in thymoma. Recently we treated two patients with lung metastasis, one 5 years and 2 months, the other 13 years and 10 months, respectively after thymomectomy and total thymectomy. We could successfully resect these lung metastatases.<BR>Masaoka's pathological staging of these cases were III and IVa, but histologically cell dysplasia and vessel invasion were not prominent in both cases. So, it seemed difficult to predict possibility of distant metastasis during operation.<BR>At present, the mainstays of treatment for distant metastasis from thymoma after surgical resection, are irradiation and chemotherapy. There are, however, a few indications for surgical treatment. But we should operate the metastatic lesions of thymoma, if these lesions are limited to the lung as in our two patients.
特定非営利活動法人日本呼吸器外科学会の論文