Placenta
Nonneoplastic placental conditions and abnormalities
Noninfectious
Tenney Parker changes
Author: Mandolin S. Ziadie, M.D.
Last author update: 1 October 2011
Last staff update: 29 October 2020
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Tenney Parker
Cite this page: Ziadie MS. Tenney Parker changes. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/placentatenneyparker.html. Accessed April 18th, 2024.
Definition / general
- Increased numbers of trophoblastic syncytial knots, often due to maternal hypertension or uteroplacental insufficiency
- Often seen in association with terminal villous hypoplasia
Etiology
- Inadequate maternal perfusion (diabetes, hypertension)
Microscopic (histologic) description
- Increased syncytial knotting
- Changes of hypertension / preeclampsia / decidual vasculopathy may be present in the decidua
