Figure 2
From: CK19 is a sensitive marker for yolk sac tumours of the testis
CK19-expression in different growth pattern of yolk sac tumours. CK19 shows a strong cytoplasmic and membrane bound expression in YST with microcystic- (A, HE staining x200 and B, immunostaining, x200), solid- (C, HE staining x100+ D, immunostaining, x100), papillary- (E, HE staining x100 and F, immunostaining, x100) and endodermal sinus- rowth pattern (G, HE staining x40 and H, immunostaining, x40).