Figure 1From: Unusually stable abnormal karyotype in a highly aggressive melanoma negative for telomerase activityThe cytologic examination of the ascitic fluid showed malignant cells with high mitotic index (Giemsa × 400) (A). Immunocytochemistry against the melanocyte specific antibody S-100 confirmed the presence of malignant melanocytes (Hematoxylin and DAB × 400).Back to article page