- Incidence of Acute Placental Inflammation through Histopathological Analysis: One year experience in 1995 at Seoul National University Hospital.
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Hyun Ju Yoo, Yun Kyung Kang, Chong Jai Kim, Jung Sun Kim, Tae Sook Kim, Kyung Cheun Jung, Kyo Hoon Park, Jong Kwan Jun, Bo Hyun Yoon
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Korean J Pathol. 1996;30(12):1123-1128.
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 Abstract
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- The diagnosis of acute inflammation of the placenta, represented as acute chorioamnionitis, is important in that it is associated with a poor clinical outcome for both the mother and the fetus, including major perinatal morbidities such as sepsis, respiratory distress syndrome, and CNS damage. However, current medical trends in Korea seem to overlook the significance of a histopathological diagnosis of acute placental inflammation, mainly due to the indifferences of clinicians and pathologists. Since late 1993, histopathological examinations have been performed on preterm placentas at Seoul National University. These examinations have demonstrated acute placental inflammation in a significant number of cases. In the present study the incidence of acute placental inflammation was analyzed in 521 placentas which were submitted for pathological examinations in 1995. Examinations were performed to provide basic information on the incidence and profile of acute placental inflammation in this hospital and, thereby, to emphasize the significance of histopathological examinations of the placenta in the routine surgical pathology service.
Among the 521 placentas, acute inflammation was found in 194 cases (37.2%). In preterm placentas acute inflammation was found in 39.6% of the cases (67/169), while 36.1% (127/352) of term placentas showed acute inflammation. Taking the delivery mode into account, 26.3% (49/186) of the placentas delivered by cesarean section showed acute inflammation, while 43.3% (145/335) of the transvaginally delivered placentas showed inflammation. The present analysis demonstrates the existence of acute inflammation in a significant proportion of placentas with different clinical settings. The importance of a histopathological examination in routine hospital practice should be emphasized.
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