Figure 1From: Discrepant outcomes in two Brazilian patients with Bloom syndrome and Wilms’ tumor: two case reports The picture demonstrates the manifold increase of sister chromatid exchange in Case 1 (A) and Case 2 (B). The arrows exemplify some points of sister chromatid exchange. The lymphocyte cultures were treated with bromodeoxyuridine and staining with Hoechst 33258-Giemsa.Back to article page