Abnormal TREC-Based Newborn Screening Test in a Premature Neonate with Massive Perivillous Fibrin Deposition of the Placenta

Figure 1

Placenta. Massive perivillous fibrin deposition. Cut surface of placenta with fibrous trabeculae forming a meshwork of confluent granular aggregates extending the entire thickness of the placental disc (a). Corresponding photomicrograph showing sclerotic chorionic villi encased with dense fibrin/fibrinoid material obliterating the intervillous space (b) (H&E, ×100).

(a)

(b)