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Area of Science:

  • Perinatal pathology
  • Maternal-fetal medicine
  • Immunohistopathology

Background:

  • Eosinophilic T-cell chorionic vasculitis (E/TCV) is an infrequently recognized placental lesion.
  • Its clinical significance and risk factors remain poorly established.

Purpose of the Study:

  • To describe the clinical and histological characteristics of E/TCV.
  • To explore potential associations with pregnancy complications and fetal outcomes.

Main Methods:

  • Case series review of four pregnancies diagnosed with E/TCV.
  • Histopathological examination of placental tissues.
  • Review of existing literature on E/TCV.

Main Results:

  • All four cases presented with concurrent acute chorioamnionitis.
  • Three cases exhibited an acute fetal inflammatory response.
  • Associated findings included placental fetal obstructive vasculopathy, upper extremity reduction defect, pre-eclampsia, and gestational diabetes.

Conclusions:

  • E/TCV is a distinct placental lesion associated with acute chorioamnionitis and fetal inflammatory response.
  • Further research is needed to elucidate the full clinical significance and risk factors of E/TCV.