Effective screening for major aneuploidies can be provided in the first trimester of
pregnancy. Screening by a combination of fetal nuchal translucency and maternal serum …

Given that practice variation exists in the frequency and performance of ultrasound and
magnetic resonance imaging in pregnancy, the Eunice Kennedy Shriver National Institute of …

Prenatal testing for chromosomal abnormalities is designed to provide an accurate
assessment of a patient's risk of carrying a fetus with a chromosomal disorder. A wide variety …

Objective To summarize by meta‐analysis the accumulated data on the screening
performance of second‐trimester sonographic markers for fetal trisomy 21. Methods We …

Objective Urinary tract (UT) dilation is sonographically identified in 1–2% of fetuses and
reflects a spectrum of possible uropathies. There is significant variability in the clinical …

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Radiolabeled metaiodobenzylguanidine (mIBG) is a highly sensitive and specific marker for
detecting neuroblastoma. A semiquantitative mIBG score (Curie score [CS]) was assessed …

Chromosomal abnormalities are major causes of perinatal death and childhood handicap.
Consequently, the detection of chromosomal disorders constitutes the most frequent …

Objective To investigate the potential value of ultrasound examination of the fetal profile for
present/hypoplastic fetal nasal bone at 15–22 weeks' gestation as a marker for trisomy 21 …

Abstract Objective To develop a Canadian consensus document on maternal screening for
fetal aneuploidy (eg, Down syndrome and trisomy 18) in singleton pregnancies. Options …