Article
Type AB thymoma is not a mixed tumor of type A and type B thymomas, but a distinct type of thymoma.
Virchows Archiv : an international journal of pathology - 1 Jun 2014
Miki Yukari, Hamada Kana, Yoshino Tadashi, Miyatani Katsuya, Takahashi Kiyoshi
Abstract excerpt
Type AB thymoma is generally regarded to be a mixture of type A and type B thymomas, but has not been studied extensively. In this study, we precisely investigated the characteristics of type AB thymoma immunohistochemically and compared it with other types of thymoma, including type A, metaplastic, and type B1 thymoma. In type A thymoma, the tumor cells were composed solely of pan-cytokeratin (CK-AE1/AE3)(+)...
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