Intraplacental Choriocarcinoma: Rare or Underdiagnosed? Report of 2 Cases Diagnosed after an Incomplete Miscarriage and a Preterm Spontaneous Vaginal Delivery

Figure 1

Placental histological features from case 1 at 8 weeks of gestational age [(a), (b), and (c)] and case 2 at 32 weeks of gestational age [(d), (e), and (f)]. Chorionic villi (small arrow) surrounded by tumor trophoblast cells [cytotrophoblast and intermediate trophoblast with patchy small foci of syncytiotrophoblast (arrow)]. Mitotic figures (head arrow).

(a)

(b)

(c)

(d)

(e)

(f)