Placenta
Nonneoplastic placental conditions and abnormalities
Noninfectious
Chronic deciduitis
Author: Mandolin S. Ziadie, M.D.
Last author update: 1 September 2011
Last staff update: 29 October 2020
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Chronic deciduitis
Cite this page: Ziadie MS. Chronic deciduitis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/placentachronicdecid.html. Accessed December 25th, 2024.
Definition / general
- Abnormal infiltration of small lymphocytes and plasma cells in the decidualized endometrium
- May be associated with preterm labor
Etiology
- Presence of plasma cells is a sign of stimulation, possibly by microorganisms, autoantigens or fetal alloantigens
Microscopic (histologic) description
- Infiltrate of small lymphocytes and plasma cells in the decidua
- Diffuse lymphocytic infiltrate without plasma cells is also acceptable (Hum Pathol 2000;31:292)
