Benign or non-neoplastic conditions
Reviewer: Nicole Riddle, M.D. (see Reviewers page)
Editor: Jamie Shutter, M.D.
Revised: 10 April 2014, last major update March 2013
Copyright: (c) 2003-2014, PathologyOutlines.com, Inc.
- Decidual reaction of subepithelial stroma similar to that seen in endometrium
- Epithelium is often atrophic
- Common at time of cesarean section (with accompanying tubal ligation) or after hormonal therapy
- May occur more often than generally believed, 12% incidence in one study
(Am J Pathol 1943;19:1043)
- Serosal decidua formation common finding (5.5%) after tubal ligation
(Am J Surg Pathol 1987;11:526)
- 41 year old woman with stromal and epithelial changes in fallopian tube following hormonal therapy
(Hum Pathol 1980;11:583)
- 41 year old woman with omentum sampling post-Caesarean section for term delivery without complications (Case of Week #285)
- Small nodules of decidual cells covered by flattened or inflamed epithelium; affects stromal cells of lamina propria