Journal of Pathology and Translational Medicine

Original Article

Amniotic Fluid Embolism of Lung: Clinical and histopathological study.: Tae Jung Kwon; Korean J Pathol. 1994;28(6):651-656.

Abstract PDF: Amniotic fluid embolism is caused by the infusion of amniotic fluid into the maternal circulation with embolization to the lungs during pregnancy, labor or just after delivery. Clinically, this condition combines acute cardiopulmonary failure with a hemorrhagic tendency. We have experienced 11 autopsy cases of amniotic fluid embolism for about 2 years. The most common presenting feature was the postpartum uterine bleeding, followed by shock during oxytocin-induced labor. Histologically, various amount of amniotic debris, among which the most common component was epithelial squames, was demonstrated within the pulmonary vasculatures. In 4 cases, many fibrin thrombi were noted, reflecting the coagulation defect. Masson's trichrome and Alcian blue stains were proven to be valuable to demonstrate the squames and mucin, respectively.

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