Chronic deciduitis

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Chronic deciduitis
Diagnosis in short

Chronic deciduitis. H&E stain.

LM decidua with plasma cells, lymphocytes
LM DDx membranitis, chorioamnionitis
Site placenta

Clinical history preterm labour
Prevalence uncommon
Clin. DDx chorioamnionitis, membranitis

Chronic deciduitis is a chronic inflammation of the decidua. It is a pathology seen in placentas.

It is also known as plasma cell deciduitis.

General

  • Associated with preterm labour.[1]
  • Uncommon.

Microscopic

Features:[1]

  • Plasma cells within the decidua - key feature.
  • Lymphocytes.

Notes:

  • Decidua (maternal tissue - attached to placenta):
    • Well-defined cell borders.
    • Eosinophilic cytoplasm.
    • Central nucleus.
  • Khong et al. suggest it may be called with "abundant" lymphocytes without plasma cells.[2]

Images

See also

References

  1. 1.0 1.1 Edmondson, N.; Bocking, A.; Machin, G.; Rizek, R.; Watson, C.; Keating, S.. "The prevalence of chronic deciduitis in cases of preterm labor without clinical chorioamnionitis.". Pediatr Dev Pathol 12 (1): 16-21. doi:10.2350/07-04-0270.1. PMID 18171100.
  2. Khong, TY.; Bendon, RW.; Qureshi, F.; Redline, RW.; Gould, S.; Stallmach, T.; Lipsett, J.; Staples, A. (Mar 2000). "Chronic deciduitis in the placental basal plate: definition and interobserver reliability.". Hum Pathol 31 (3): 292-5. PMID 10746670.