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Prenatal ultrasound

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https://www.readbyqxmd.com/read/27911017/congenital-glaucoma-detected-by-unilateral-megalophthalmos-on-prenatal-sonography
#1
Sarah Gennette, Steve J Carlan, John Busowski, Mario Madruga, Jeannie McWhorter
A 36-week male fetus was noted to have isolated right megalophthalmos on prenatal ultrasound and was found to have buphthalmos and congenital glaucoma at birth. Detection of congenital glaucoma at birth may be occasionally possible if abnormal orbit dimensions are noted on late prenatal sonographic examination. Early neonatal intervention may improve the chances to retain vision. © 2016 Wiley Periodicals, Inc. J Clin Ultrasound, 2016.
December 2, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27909773/magnetic-resonance-imaging-of-fetal-pelvic-cysts
#2
REVIEW
Styliani Archontaki, Yvan Vial, Sylviane Hanquinet, Reto Meuli, Leonor Alamo
The detection of fetal anomalies has improved in the last years as a result of the generalization of ultrasound pregnancy screening exams. The presence of a cystic imaging in the fetal pelvis is a relatively common finding, which can correspond to a real congenital cystic lesion or result from the anomalous liquid accumulation in a whole pelvic organ, mainly the urinary bladder, the uterus, or the vagina. In selected cases with poor prognosis and/or inconclusive echographic findings, magnetic resonance may bring additional information in terms of the characterization, anatomical location, and real extension of the pathology...
December 1, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27904917/evaluating-skeletal-dysplasias-on-prenatal-ultrasound-an-emphasis-on-predicting-lethality
#3
REVIEW
Kathryn S Milks, Lyndon M Hill, Keyanoosh Hosseinzadeh
Lethal skeletal dysplasias can be diagnosed by prenatal ultrasound (US) using several sonographic parameters. Degree of femoral shortening, lung volumes, femur length to abdominal circumference ratio, and chest circumference to abdominal circumference ratio are the most sensitive and specific predictors. Although there are more than 450 different skeletal dysplasias, only a few are lethal in the perinatal period. We review current fetal US literature and present an updated algorithmic approach to first establish lethality and, second, evaluate for hallmark sonographic features to help determine a specific diagnosis...
December 1, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27896258/secondary-abdominal-pregnancy-in-human-immunodeficiency-virus-positive-woman
#4
Myoung Chan Kim, Hudson Manyanga, Flora Lwakatare
We report on an abdominal pregnancy in human immunodeficiency virus-positive mother, currently on antiretroviral therapy, which was discovered incidentally while training the obstetric ultrasound capacity building program. Although abdominal pregnancy is a rare form of ectopic pregnancy, it may be more common in women with HIV infection because they tend to have a higher rate of sexually transmitted diseases than the general population. The positive diagnosis of abdominal pregnancy is difficult to establish and is usually missed during prenatal assessment particularly in settings that lack routine ultrasound examination as is the case in most developing countries...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27894129/isolated-fetal-ascites-neonatal-outcome-in-51-cases-observed-in-a-tertiary-referral-center
#5
Vincenzo Davide Catania, Alessia Muru, Marcella Pellegrino, Erika Adalgisa De Marco, Filomena Valentina Paradiso, Carlo Manzoni, Lorenzo Nanni, Lucia Masini
Introduction Prenatal detection of isolated ascites is a rare finding on ultrasound, usually suggestive of an underlying pathology that may negatively impact on the pregnancy and neonatal outcome. The purpose of the present study was to evaluate the outcome of primary isolated ascites in relation to gestational age (GA) at diagnosis. Materials and Methods Data were prospectively collected for fetuses with ascites that have been followed in our center of prenatal diagnosis and therapy from 2004 to 2014. Patients have been divided in group I when ascites was detected before the 24th week of GA and group II if it was noticed later...
November 28, 2016: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27889224/fetal-megacystis-a-systematic-review
#6
REVIEW
K Taghavi, C Sharpe, M D Stringer
: Fetal megacystis is variably defined and understood. The literature on fetal megacystis was systematically reviewed, focusing on prenatal diagnosis, associations and outcomes. This yielded a total of 18 primary references and eight secondary references. Fetal megacystis has an estimated first-trimester prevalence of between 1:330 and 1:1670, with a male to female ratio of 8:1. In the first trimester, megacystis is most commonly defined as a longitudinal bladder dimension of ≥7 mm...
October 8, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27888703/the-association-between-prenatal-atrioventricular-septal-defects-and-chromosomal-abnormalities
#7
Maddalena Morlando, Amarnath Bhide, Alessandra Familiari, Asma Khalil, José Morales-Roselló, Aris T Papageorghiou, Julene S Carvalho
OBJECTIVE: Atrioventricular septal defect is associated with a high risk of a chromosomal abnormality, particularly trisomy 21. The aim of this study is to assess the rate of trisomy 21 in fetuses diagnosed with an atrioventricular septal defect and to examine the influence of prior screening on the rate of trisomy 21. METHODS: Electronic ultrasound database was searched to identify fetuses diagnoses with an atrioventricular septal defect from 2002 to 2014. Rate of trisomy 21 and other aneuploidies was calculated among fetuses with normal situs...
October 29, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27884654/a-narrative-review-of-interventions-addressing-the-parental-fetal-relationship
#8
Nicole Borg Cunen, Julie Jomeen, Rita Borg Xuereb, Angela Poat
BACKGROUND: Expectant parents develop varying degrees of emotional affiliation with the unborn child. Interventions supporting this relationship may be beneficial given its link to maternal health behaviour during pregnancy, as well as the parental-infant bond after birth. AIM: To identify and describe the effects of programmes and strategies that have addressed the parental-fetal relationship. METHOD: English-language primary studies, published between 2005-2015, were identified and their methodological quality was assessed...
November 21, 2016: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/27883314/diagnostic-and-surgical-approach-to-prenatally-detected-urinary-tract-anomalies
#9
Mile Petrovski
Regular ultrasound examinations carried out in the second trimester of pregnancy help in detecting many anomalies in the fetal urinary tract. Their percentage ranges from 1% to 3% of all controlled pregnancies. There is a wide spectrum of anomalies that affect the urinary tract, but the most significant are: uretero/hydronephrosis (unilateral or bilateral), kidney agenesis, dysplastic kidney, polycystic and multicystic kidneys, anomalies of ascent, anomalies of kidney rotation or fusion, bladder exstrophy, posterior urethra valve etc...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27882752/-bronchopulmonary-sequestration
#10
J Bombová, M Lubušký
OBJECTIVE: To describe the case of prenatal diagnosis of bronchopulmonary sequestration and compelete spontaneous antenatal regresion of the lesion. DESIGN: Case report and review of the literature. SETTING: Complex Cancer Center Novy Jicin, Department of Obstetrics and Gynecology Palacky University Hospital Olomouc. CASE REPORT: We describe the case reports about the complete regression of a quite large bronchopulmonary sequestration during pregnancy...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27879005/transient-distention-of-right-posterior-located-sigma-a-new-sonographic-sign-for-the-prenatal-diagnosis-of-anal-atresia
#11
Moshe Bronshtein, Ayala Gover, Ron Beloosesky, Zeev Blumenfeld
We describe a new sonographic sign for the detection of anal atresia in the early midtrimester on transvaginal sonography. In six cases of fetal anal atresia, the finding of a transient, distended, and right-sided sigmoid colon was observed at 13-16 weeks' gestation. Three cases have undergone pregnancy termination due to multiple anomalies. In the other three, the colonic distension resolved by 19 weeks' gestation. In two of these, the finding was isolated, and no other anomalies were detected. In all six cases, anal atresia or cloaca was confirmed on postabortal autopsy or after delivery...
November 23, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27876014/prenatal-diagnosis-in-sweden-2011-to-2013-a-register-based-study
#12
Kerstin Petersson, Marie Lindkvist, Margareta Persson, Peter Conner, Annika Åhman, Ingrid Mogren
BACKGROUND: Prenatal diagnosis involves methods used in early pregnancy as either screening tests or diagnostic methods. The aims of the study were to i) investigate guidelines on prenatal diagnosis in the counties of Sweden, ii) investigate uptake of prenatal diagnosis, and iii) background characteristics and pregnancy outcomes in relation to different prenatal diagnostic methods. METHODS: A retrospective cross-sectional study using data from the Swedish Pregnancy Register 2011 to 2013 (284,789 pregnancies) was performed...
November 22, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27874196/prenatal-diagnosis-of-upper-extremity-malformations-with-ultrasonography-diagnostic-features-and-perinatal-outcome
#13
Mehmet Serdar Kutuk, Ozguc Altun, Sadan Tutus, Muhammet Ensar Dogan, Mahmut Tuncay Ozgun, Munis Dundar
OBJECTIVE: The aim of this study was to assess the sonographic (US) characteristics, associated malformations, chromosomal status, and perinatal outcomes of fetuses with an upper extremity malformation (UEM) detected by US examination. METHODS: The data of all patients evaluated in the Department of Obstetrics and Gynecology, Prenatal Diagnosis Unit between 2010 and 2015 were searched for UEM. RESULTS: A total of 51 cases with UEM were detected...
November 22, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27870788/prenatal-ultrasound-evaluation-of-the-position-of-conus-medullaris-for-the-diagnosis-of-tethered-cord-syndrome
#14
Shao-Zheng He, Guo-Rong Lv, Shun-Lan Liu, Jun-Xian Ruan
To determine the conus distance between the end of the conus medullaris and the distal end of the last vertebral body in healthy fetuses with various gestational ages using ultrasonography for its diagnostic value in tethered cord syndrome (TCS). This retrospective study included 540 healthy and 8 autopsy-confirmed TCS fetuses. Ultrasonographic measurement of the conus distance was performed when the fetus was in a prone position within the spine in the near field at 14 to 41 weeks of gestational age. Linear correlation analysis was performed to analyze the relationship between the conus distance and the gestational age, biparietal diameter, femur length, head circumference, and abdominal circumference...
December 2016: Ultrasound Quarterly
https://www.readbyqxmd.com/read/27870560/effect-of-prenatal-versus-postnatal-vitamin-d-deficiency-on-pulmonary-structure-and-function-in-mice
#15
Ammar Saadoon, Namasivayam Ambalavanan, Kurt Zinn, Ambika P Ashraf, Mark MacEwen, Teodora Nicola, Michelle V Fanucchi, William T Harris
Epidemiologic studies have linked gestational vitamin D deficiency to respiratory diseases, although mechanisms have not been defined. We hypothesized that antenatal vitamin D deficiency would impair airway development and alveolarization in a mouse model. We studied the effect of antenatal vitamin D deficiency by inducing vitamin D deficiency in pregnant mice and then compared lung development and function in their offspring to littermate controls. Postnatal vitamin D deficiency and sufficiency models from each group were also studied...
November 21, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27863915/prenatal-ultrasound-monitoring-of-homozygous-%C3%AE-0-thalassemia-induced-fetal-anemia
#16
REVIEW
Helena H L Lee, Annisa S L Mak, C F Poon, K Y Leung
A noninvasive approach by serial ultrasound examination at 12-15, 18, and 30 weeks of gestation can be used to exclude homozygous α(0)-thalassemia-induced fetal anemia. At 12-15 weeks of gestation, the predictive values for the fetal cardio-thoracic ratio were better than that for the placental thickness. At 16-20 weeks of gestation, measuring middle cerebral artery peak systolic velocity is associated with a low false-positive rate. However, the false-positive rate of this noninvasive approach can be about 3%, requiring an invasive test to confirm the diagnosis...
October 26, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27862717/prenatal-diagnosis-and-successful-intrauterine-treatment-of-severe-congenital-hypothyroidism-associated-with-fetal-goiter
#17
Vladimír Ferianec, Peter Papcun, František Grochal, Katarína Schenková, Michaela Bártová
Congenital hypothyroidism with fetal goiter is a rare condition associated with severe, but possibly preventable, intrauterine and postnatal complications. Ultrasound examination after 20 weeks of pregnancy enables prenatal diagnosis and early treatment. Due to limited transplacental transport of thyroid hormones, direct intrauterine treatment is needed. So far, only a few reports of fetal goitrous hypothyroidism have been published and no consensus on adequate management exists. We present a case of severe fetal goitrous hypothyroidism diagnosed at 23 gestational weeks treated by sequential intra-amniotic administration of L-thyroxin...
November 12, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27862250/prenatal-myelomeningocele-repair-do-bladders-better
#18
Maya Horst, Luca Mazzone, Thomas Schraner, Christine Bodmer, Ueli Möhrlen, Martin Meuli, Rita Gobet
AIMS: Prenatal myelomeningocele (MMC) repair has been proven to significantly reduce the need for hydrocephalus shunting and improve lower-extremity motor outcomes. The aim of this study was to evaluate the effect of prenatal MMC repair on the urological outcome. METHODS: All patients who underwent fetal MMC repair at our institution are followed prospectively. Assessments include medical history, renal and bladder ultrasound, voiding cystourethrogram and urodynamic study, need for clean intermittent catheterization (CIC) and anticholinergics, and the occurrence of urinary tract infections (UTI)...
November 15, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27859469/fraser-syndrome-features-suggestive-of-prenatal-diagnosis-in-a-review-of-38-cases
#19
Aude Tessier, Mélie Sarreau, Fanny Pelluard, Gwenaelle André, Sophie Blesson, Martine Bucourt, Pierre Dechelotte, Laurence Faivre, Thierry Frébourg, Alice Goldenberg, Valérie Goua, Corinne Jeanne-Pasquier, Fabien Guimiot, Annie Laquerriere, Nicole Laurent, Mathilde Lefebvre, Philippe Loget, Martine Maréchaud, Charlotte Mechler, Marie-Josée Perez, Jean Christophe Sabourin, Alain Verloes, Sophie Patrier, Anne-Marie Guerrot
OBJECTIVE: Fraser syndrome (FS) is a rare malformation recessive disorder. Major criteria are cryptophtalmos, syndactyly, respiratory, genital and urinary tract anomalies. Few antenatal presentations have been reported. METHOD: We analyzed the prenatal and postnatal fetal phenotype in 38 cases of FS, including 25 pregnancy termination cases, 8 intra-uterine death cases and 4 cases that died after birth. RESULTS: Including both prenatal and postnatal fetal phenotypic evaluation, all cases presented dysmorphic features with nose and ear dysplasia...
November 17, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27858228/prenatal-diagnosis-of-abnormal-umbilical-cord-insertion-a-rare-case-of-furcate-insertion
#20
Yasuyuki Fujita, Yasuo Yumoto, Kiyoko Kato
Furcate insertion (FI) is an extremely rare abnormality of umbilical cord insertion. One of the complications associated with FI is hemorrhage from the umbilical vein at the site of FI of the umbilical cord, which can cause sudden intrauterine fetal death. Because of its rarity, no prenatal diagnosis of FI has been reported. A 31-year-old woman at 34 weeks' gestation was referred to us for suspected abnormal cord insertion. Ultrasonography showed normal fetal growth and amniotic fluid volume, with no fetal anomalies...
November 17, 2016: Journal of Medical Ultrasonics
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