Archives of pathology & laboratory medicine · 2016
Correlation of Prenatal Diagnosis and Pathology Findings Following Dilation and Evacuation for Fetal Anomalies.
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Boecking Carolin A, Drey Eleanor A, Kerns Jennifer L, Finkbeiner Walter E
Аннотация
CONTEXT: -Despite increased use of dilation and evacuation in the setting of fetuses with developmental anomalies, the pathology examination of fragmented specimens obtained by this technique has been understudied.
OBJECTIVES: -To correlate pathologic findings in second-trimester fetal dilation and evacuation specimens with prenatal diagnoses established through ultrasound and/or chromosome studies to determine the value of pathology examination for supplementing or correcting clinical diagnoses.
DESIGN: -In this retrospective study, clinical and pathology findings were correlated in 448 dilation and evacuation specimens performed for second-trimester termination of pregnancy for fetal anomalies discovered on ultrasound examination (278 cases) or chromosome analysis (170 cases).
RESULTS: -In 109 of the 170 cases with chromosomal abnormalities (64%), pathologists identified at least 1 congenital defect associated with the respective karyotype. In 278 cases with ultrasound-detected anomalies, pathologists confirmed the major congenital defect in 116 fetal specimens (42%). Evaluating for congenital central nervous system and body wall/diaphragm pathologic findings proved challenging owing to tissue disruption. However, taking all categories into account, pathology studies corrected ultrasound diagnoses in 152 of 413 cases (37%) and yielded additional diagnostic findings in 137 cases (33%).
CONCLUSIONS: -In a substantial number of cases, examination of fragmented fetuses corrected or refined prenatal diagnoses, demonstrating a role for detailed pathology examination of dilation and evacuation specimens in quality control of prenatal imaging studies and for potentially aiding subsequent genetic counseling.
OBJECTIVES: -To correlate pathologic findings in second-trimester fetal dilation and evacuation specimens with prenatal diagnoses established through ultrasound and/or chromosome studies to determine the value of pathology examination for supplementing or correcting clinical diagnoses.
DESIGN: -In this retrospective study, clinical and pathology findings were correlated in 448 dilation and evacuation specimens performed for second-trimester termination of pregnancy for fetal anomalies discovered on ultrasound examination (278 cases) or chromosome analysis (170 cases).
RESULTS: -In 109 of the 170 cases with chromosomal abnormalities (64%), pathologists identified at least 1 congenital defect associated with the respective karyotype. In 278 cases with ultrasound-detected anomalies, pathologists confirmed the major congenital defect in 116 fetal specimens (42%). Evaluating for congenital central nervous system and body wall/diaphragm pathologic findings proved challenging owing to tissue disruption. However, taking all categories into account, pathology studies corrected ultrasound diagnoses in 152 of 413 cases (37%) and yielded additional diagnostic findings in 137 cases (33%).
CONCLUSIONS: -In a substantial number of cases, examination of fragmented fetuses corrected or refined prenatal diagnoses, demonstrating a role for detailed pathology examination of dilation and evacuation specimens in quality control of prenatal imaging studies and for potentially aiding subsequent genetic counseling.