Figure 1.
Dual-color fluorescence in situ hybridization (FISH) was used to detect amplification of the CCNE1 gene in endometrial endometrioid carcinomas. (A) FISH analysis revealed a homogeneously stained region in the carcinoma portion with CCNE1 amplification. (B and D) A case of endometrial endometrioid carcinoma with positive immunoreactivity for CCNE1 and FBXW7 in endometrial carcinoma tissues. (C and E) A case with negative CCNE1 and FBXW7 staining in endometrial carcinoma tissues.