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Patterns of placental injury in various types of fetal congenital heart disease.
J Perinat Med
June 2023
Division of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
Objectives: Fetal blood circulation may be modified in congenital heart disease (CHD). This retrospective analysis was performed to study whether the type of CHD is associated with specific placental pathology.
Methods: Three types of CHD based on presumed proportion of placental and systemic blood distribution in fetal circulation were analyzed: Group 1: 89 cases with low placental blood content (hypoplastic left heart syndrome, transposition of great arteries, coarctation of aorta), Group 2: 71 placentas with intermediate placental and systemic blood content due to increased intracardiac blood mixing (tetralogy of Fallot, truncus arteriosus, double inlet/outlet ventricle), and Group 3: 24 placentas with high placental blood content (tricuspid or pulmonary atresia, Ebstein anomaly).
Placental examination in nonmacerated stillbirth versus neonatal mortality.
J Perinat Med
April 2018
Division of Pathology, Cincinnati Children's Hospital, 3333 Burnet Avenue, Cincinnati, OH 45229-3026,USA, Tel.: +1513 636 8158, Fax: +1 513 636 3924.
Aim: To retrospectively statistically compare clinical and placental phenotypes of nonmacerated fetuses and live-born perinatal deaths in 3rd trimester pregnancies.
Methods: Twenty-five clinical and 47 placental phenotypes were statistically compared among 93 cases of nonmacerated (intrapartum, or recent antepartum death) 3rd trimester fetal deaths (Group 1), 118 3rd trimester neonatal deaths (Group 2) and 4285 cases without perinatal mortality (Group 3).
Results: Sixteen clinical and placental phenotypes were statistically significantly different between Group 3 and the two groups of perinatal deaths, which included eight placental phenotypes of fetal vascular malperfusion and eight other placental phenotypes of various etiology (amnion nodosum, 2-vessel umbilical cord, villous edema, increased extracellular matrix of chorionic villi, erythroblasts in fetal blood and trophoblastic lesions of shallow placentation).
Association of coexisting morphological umbilical cord abnormality and clinical cord compromise with hypoxic and thrombotic placental histology.
Virchows Arch
June 2016
Division of Pathology and Laboratory Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, MLC 1035, 3333 Burnet Avenue, Cincinnati, OH, 45229-3026, USA.
To assess the usefulness and limitations of placental histology when morphological umbilical cord (UC) abnormality coexists with clinical UC compromise, 5634 consecutive placentas were divided into four groups and statistically compared: group 1-182 placentas from pregnancies with clinical features of UC compromise (variable decelerations, UC entanglement, prolapse, or true knot at delivery); group 2-1355 placentas with abnormal UC morphology or insertion; group 3-152 placentas with at least one phenotype from group 1 and one from group 2; group 4-3945 placentas with no clinical or morphological UC-related phenotypes (control group).Differences were analyzed by ANOVA or χ (2). Of 68 phenotypes studied, 13 clinical and 18 placental phenotypes were statistically significant.
View Article and Find Full Text PDFPleura nodosum: fetal squamous debris in an unusual location.
Pediatr Dev Pathol
May 2015
1 Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada.
We present a pathologic-radiologic case of a fetus with a right extralobar bronchopulmonary sequestration that required intervention in the form of a thoraco-amniotic shunt for management of a right pleural effusion. The intervention was successful in reducing the pleural effusion and the infant was born at 39 weeks gestational age but required some respiratory support for the 1st day of life. The pulmonary sequestration was excised on day 7 of life and demonstrated several small nodules on its pleural surface.
View Article and Find Full Text PDFAmnion nodosum in a Belgian draught horse.
Vet Rec
January 2011
Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
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