Figure 1. Centrosomal abnormalities detected with γ tubulin and α tubulin stain in patients with B-cell acute lymphoblastic leukemia. a: Normal centrosome. b: Centrosome in perpendicular position. c: Tripolar cell division. d, e: Structural abnormality (round) of centrosome. f: Numerical abnormality. g: Elongated centrosome abnormality. h: Numerical abnormality of centrosome.