Physical Address

304 North Cardinal St.
Dorchester Center, MA 02124

Epithelioid Trophoblastic Tumor


D efinition — A subset of extravillous trophoblastic tumor that is thought to arise from an extravillous (transitional) trophoblast that forms a transition from villous cytotrophoblast to mature extravillous trophoblast. These cells are found in the chorionic membrane, maternal surface of the placenta, and where intervillous fibrin is deposited.

Clinical Features

Epidemiology

  • Rare.

  • Occurs in reproductive-age women.

  • Epithelioid trophoblastic tumors (ETTs) are an unusual type of extravillous trophoblastic tumor.

  • Both ETTs and placental site trophoblastic tumors (PSTTs) are almost always seen following a term delivery.

You're Reading a Preview

Become a Clinical Tree membership for Full access and enjoy Unlimited articles

Become membership

If you are a member. Log in here

Related Posts