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This study examined the occurrence of placental C-reactive protein (CRP) in normal pregnancy with term delivery, spontaneous preterm delivery (sPTD), preeclampsia, and miscarriage. CRP immunoreactivity was detected in the syncytiotrophoblast. The immunopositive rate was significantly higher in sPTD than preeclampsia. The CRP immunopositive rate was also higher in acute chorioamnionitis than those...
The pathogenesis of late preterm birth remains elusive for the mechanisms of disease responsible. Placental examination can often provide important clues for the pathogenesis of pregnancy complications. This study was conducted to determine placental pathologic findings according to the gestational age and the clinical circumstances of preterm birth.Placental pathologic findings and obstetrical and...
For the pathological evaluation of the chorioamniotic membranes, a membrane roll is made to give an orientation to the sections and to cover more extended planes. We designed a new instrument, Annie's memb-roller, for easy preparation of membrane rolls. Annie's memb-roller has two non-toothed arms which are 2 mm wide, 1 mm thick, and 8 cm long. To test its effectiveness in making a membrane roll,...
We found isolated or clustered trophoblasts in the chorionic connective tissue of the extraplacental membranes, and defined this novel histologic feature as the “trophoblast islands of the chorionic connective tissue” (TICCT). This study was conducted to determine the clinical significance of TICCT.Immunohistochemistry for cytokeratin-7 was performed on the chorioamniotic membranes (N = 2155) obtained...
Although the use of broad-spectrum antibiotics in women with preterm premature rupture of membranes (PPROM) is recommended to prolong pregnancy and decrease short-term neonatal complications, the optimal regimen remains undetermined. The objective of this study was to compare the efficacy of cefazolin plus macrolide (erythromycin or clarithromycin) versus cefazolin alone in reducing neonatal morbidity...
Macrophages play a key role in implantation, placentation and parturition. Yet, whether or not the number of macrophages at the fetomaternal interface (basal plate of the placenta and placental bed) is altered in women with preeclampsia is the subject of controversy. The purpose of this study was to compare the immunoreactivity and distribution patterns of CD14 and CD68 positive macrophages in both...
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