Publications by authors named "Jie-Ling Feng"
Objective: Fetal anomaly screening via ultrasonography, which involves capturing and interpreting standard views, is highly challenging for inexperienced operators. We aimed to develop and validate a prenatal-screening artificial intelligence system (PSAIS) for real-time evaluation of the quality of anatomical images, indicating existing and missing structures.
Methods: Still ultrasonographic images obtained from fetuses of 18-32 weeks of gestation between 2017 and 2018 were used to develop PSAIS based on YOLOv3 with global (anatomic site) and local (structures) feature extraction that could evaluate the image quality and indicate existing and missing structures in the fetal anatomical images.
Article Synopsis
- The study investigates the imaging features, clinical characteristics, and neonatal outcomes associated with pregnancy luteoma by analyzing 127 cases over nearly two decades.
- Most affected patients were women aged 20-40, with about 30% showing maternal hirsutism or virilization, while the majority were asymptomatic, and many cases were discovered incidentally during childbirth procedures.
- The findings revealed that pregnancy luteomas typically presented in the third trimester, mostly in solid forms with varying sizes, and were significantly linked to elevated serum androgen levels, particularly in those with symptoms, affecting the virilization of female infants born to mothers with the condition.
Ultrasound in the prediction of birthweight discordance in dichorionic twins.
Acta Obstet Gynecol Scand
May 2021
Introduction: Large birthweight discrepancy has been identified as a risk factor for perinatal morbidity and mortality in twin pregnancies. However, it remains unclear whether such discordance can be predicted by various biological indices with specific cut-off values, and how these depend on the gestational age. We aimed to determine the most effective way to predict large birthweight discordance at various gestational ages.
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- This study investigates the differences in the ultrasonographic features and histological diagnoses of ovarian torsion between pregnant and non-pregnant women, aiming to enhance preoperative diagnostic accuracy.
- It involves a retrospective analysis of female patients with ovarian torsion, examining their clinical characteristics, ultrasound results, surgical procedures, and histology to identify key differences.
- Results show a higher preoperative detection rate in pregnant women and differences in ultrasound features like ovarian edema and abnormal adnexal positions, as well as varying histological outcomes between the two groups.
Article Synopsis
- The study investigates the genetic causes behind fetal posterior fossa abnormalities (PFAs) identified through prenatal ultrasound between 2012 and 2016.
- It involved analyzing 74 cases of PFAs, revealing various types such as Blake's pouch cyst and Dandy-Walker malformation, with notable rates of chromosomal abnormalities found across these cases.
- Findings suggest that combining chromosomal microarray and karyotype analysis can improve prenatal diagnosis and management of PFAs, particularly when other structural abnormalities are present.
Four-vessel umbilical cord with two arteries and two veins, and fetal intra-abdominal umbilical vein varix are rare fetal vascular pathologies, associated with congenital anomalies and an adverse perinatal outcome, respectively. We report a case of a healthy male neonate born at a gestational age of 38 weeks, five days, after prenatal sonographic diagnosis of a four-vessel umbilical cord with a supernumerary vein varix. To the best of our knowledge, this is the first case with this combination.
View Article and Find Full Text PDFObjectives: To investigate the role of ultrasound in the preoperative diagnosis of adnexal torsion and describe its histological spectrum and outcomes at different ages.
Methods: This study comprised a retrospective investigation of a data set that included 195 female patients with clinically suspected adnexal torsion between January 2010 and July 2015. Each patient received a detailed pelvic ultrasound examination by an experienced ultrasound examiner, and a definitive diagnosis was achieved via surgery.
The objectives of this paper were to identify gestational age-independent parameters for cerebellar vermis (CV) evaluation and examine their use in CV integrity assessments. Using three-dimensional ultrasonography, we obtained the following measurements from 217 pregnant women carrying 18-37-week-old fetuses: the largest area of the CV, vermal craniocaudal distance (VCC), vermal anterior to posterior diameter, and vermal perimeter (VP). In addition, fetal growth parameters (biparietal diameter, head circumference femoral length [FL], humeral length, transverse cerebellar diameter, and abdominal circumference) were evaluated.
View Article and Find Full Text PDFObjectives: This study aimed to assess the fetal conus medullaris (CM) position with three-dimensional (3D) ultrasonography and its use in detecting and diagnosing spina bifida occulta (SBO).
Methods: We examined 150 normal fetuses (gestational age, 20-38 weeks) and 14 fetuses with SBO. All fetuses underwent prenatal 3D ultrasonography, and the CM position in relation to the vertebral body was evaluated using volume contrast imaging.