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  • Title: Congenital herpes infection: placental and umbilical cord findings.
    Author: Hyde SR, Giacoia GP.
    Journal: Obstet Gynecol; 1993 May; 81(5 ( Pt 2)):852-5. PubMed ID: 8385765.
    Abstract:
    BACKGROUND: Herpes simplex virus (HSV) fetal infections are rare, and the routes through which the virus reaches the fetus are insufficiently documented. CASE: We describe a case of congenital HSV ascending infection in an infant whose membranes were intact until cesarean delivery. The pathologic findings were remarkable for a mild lymphoplasmocytic funisitis and the presence of positive viral staining of cells in the subamniotic connective tissue, amniotic epithelium, and umbilical cord. Antigen-positive cells within the extraplacental membranes were mostly located in an area presumably adjacent to the cervix before birth. In the umbilical cord, positive viral staining was confined to cells in the subamniotic mesenchyma away from the perivascular mesenchyma of the central portion of the cord. CONCLUSION: Immunohistochemistry using herpes-specific antibodies, coupled with routine histologic examination, allows early diagnosis of congenital HSV infection and documentation of the ascending route of infection when the membranes are intact.
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