Look like a bull's eye -- yolk sac tumor
hCG as tumor marker
Choriocarcinoma - germ cell tumor in both males & females (can be in mother or fetus).
Found in 1/2 of Leydig cell carcinoma cases (benign tumor).
Ovarian granulosa cell tumor (the one that secretes estrogen). They look like glands, but they're not -- b/c the lumen is filled w/necrotic cells.
Breast cancer - women in their 50's. Large, bulky mass w/"leaf-like" projections; may become malignant.
Flashcards of histopathological findings for Step 1 of the USMLE