EJHaem · 2021
Mutation profiles of diffuse large B-cell lymphoma transformation of splenic B-cell lymphoma/leukemia, unclassifiable on whole-exome sequencing.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Kurosawa Shuhei, Toya Takashi, Sadato Daichi, Hishima Tsunekazu, Hirama Chizuko, Najima Yuho, Kobayashi Takeshi, Haraguchi Kyoko, Okuyama Yoshiki, Oboki Keisuke, Harada Hironori, Sakamaki Hisashi, Ohashi Kazuteru, Harada Yuka, Doki Noriko
Аннотация
A 58-year-old male was diagnosed with splenic B-cell lymphoma/leukemia, unclassifiable (SPLL-U). The lymphoma transformed into diffuse large B-cell lymphoma (DLBCL), and multidrug chemotherapy and autologous stem cell transplantation achieved complete remission. Two years later, the lymphoma relapsed as SPLL-U. Serial whole-exome sequencing indicated that the mutation profiles were similar between the onset and relapsed samples while those in DLBCL were partially distinctive, which was in line with the clinical course. Hierarchical clustering revealed that an IGLL5 mutation was the founder mutation proceeding the development of the diseases and suggested that KRAS and other mutations might contribute to the transformation.