Gastric Adenocarcinoma with Yolk Sac Tumor Differentiation and Liver Metastasis of Yolk Sac Tumor Component

Figure 1

(a) Gastric adenocarcinoma papillary growth pattern. (b) Gastric tumor showing yolk sac tumor (YST) area with hyaline globules. (c) Gastric YST glypican 3 positive. (d) Liver YST metastasis showing papillaroid fragments. (e) Liver metastasis of YST showing cytoplasmic PAS-positive, diastage-resistant hyaline globules (400X). (f) Liver YST papillary fragment showing glypican 3 positivity.

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