Two cases of repeatedly recurrent atypical thymoma

Two cases of repeatedly recurrent thymoma with myasthenia gravis are detail ed here, A 41-year-old woman had 5 recurrent thymomas, including local recu rrences and lumbar and lung metastases; she was alive at the time of this w riting, which was 22 years after her first surgery. A 36-year-old man had 3 recurrent thymomas, including local recurrence, dissemination, and lung me tastasis; he was alive at the time of this writing, which was 16 years afte r his first surgery. Both recurrent lesions were diagnosed as "atypical thy moma" with moderate nuclear atypia, The patients with atypical thymoma must be followed up carefully due to a possible recurrence, Surgical treatment with chemoradiotherapy can lengthen their survival.