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Ovarian yolk sac (endodermal sinus) tumor
Ovarian yolk sac (endodermal sinus) tumor
Yolk sac (endodermal sinus tumor). The tumor is composed of dilated tubular spaces lined by flattened cells with an edematous stroma.
Reproduced with permission from: Rubin E, Farber JL. Pathology, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 1999. Copyright © 1999 Lippincott Williams & Wilkins.
Graphic 83636 Version 2.0