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Published on: May 13, 2015
A case of thymoma showing significant tumor reduction after anti-thymocyte globulin
Hiroki Hayashida1, Akira Honda1, Toshiya Hino1
1Department of Hematology and Oncology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
A 71-year-old female with type B3 thymoma developed severe aplastic anemia. Anti-thymocyte globulin was administered with glucocorticoids and cyclosporin A as the treatment for aplastic anemia. Computed tomography scan revealed that thymoma apparently shrank and remained without regrowth for at least 7 months. As previously reported, glucocorticoid has therapeutic effects on thymoma especially with abundant lymphocytes. Anti-thymocyte globulin also depletes peripheral lymphocytes, but its efficacy in the treatment of thymoma is unknown. Anti-thymocyte globulin and glucocorticoids may have cooperated with each other in reducing thymoma in our case. More cases should be accumulated to elucidate the effects of anti-thymocyte globulin on thymoma.
A 71-year-old female with type B3 thymoma developed severe aplastic anemia. Anti-thymocyte globulin was administered with glucocorticoids and cyclosporin A as the treatment for aplastic anemia. Computed tomography scan revealed that thymoma apparently shrank and remained without regrowth for at least 7 months. As previously reported, glucocorticoid has therapeutic effects on thymoma especially with abundant lymphocytes. Anti-thymocyte globulin also depletes peripheral lymphocytes, but its efficacy in the treatment of thymoma is unknown. Anti-thymocyte globulin and glucocorticoids may have cooperated with each other in reducing thymoma in our case. More cases should be accumulated to elucidate the effects of anti-thymocyte globulin on thymoma.
