title: Chronic inflammatory lesions of the placenta.
abstract: The chronic inflammatory lesions of the placenta often run in the shadows of the better-known acute inflammatory processes of the placenta, such as acute chorioamnionitis and acute funisitis. A heterogeneous population of T-cell lymphocytes, plasma cells, and macrophages is the primary player in chronic villitis, chronic chorioamnionitis, chronic deciduitis, and chronic intervillositis, and eosinophils are an added component of eosinophilic/T-cell chorionic vasculitis. The histologic appearance, sites of occurrence in the placenta, and pathogeneses of these entities are reviewed.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, 601 Elmwood Ave, Box 626, Rochester, NY 14642. Electronic address: philip_katzman@urmc.rochester.edu.
authors.forename: Philip J
authors.initials: PJ
authors.lastname: Katzman
mesh_terms: D002823:Chorion / Q000473:pathology*; D002824:Chorionic Villi / Q000473:pathology*; D004804:Eosinophils / Q000473:pathology*; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D018743:Perinatal Care; D010920:Placenta / Q000276:immunology / Q000473:pathology*; D010922:Placenta Diseases / Q000276:immunology / Q000473:pathology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000276:immunology*
keywords: Alloimmunity; Infection; Inflammation; Placenta disorders