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Fetal megacystis

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https://www.readbyqxmd.com/read/29161752/prenatal-megacystis-is-prediction-of-outcome-and-renal%C3%A2-function-possible
#1
Regina Tschannen, Rita Gobet, Josef Wisser
Objective To assess prenatal prognostic criteria for fetuses with megacystis in order to counsel parents. Methods In a retrospective observational study at a single tertiary referral center, we assessed the clinical course of 53 fetuses with megacystis cared for at the Department of Obstetrics of the University Hospital Zurich between 1995 and 2008 and followed them up for 2 to 12 years. We determined fetal karyotype, amniotic fluid volume and fetal urinary biochemistry as prenatal prognostic factors...
November 21, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29158937/connatal-urinary-ascites-in-a-female-preterm
#2
Barbara Brunner, Elisabeth Ralser, Elisabeth D'Costa, Kathrin Maurer, Ursula Kiechl-Kohlendorfer, Elke Griesmaier
Background: Connatal urinary ascites is rare in females without associated malformations and occurs following bladder rupture. Case Presentation: A female very preterm was delivered by caesarean section because of abnormal Doppler findings. The mother suffered from viral pneumonia requiring intensive care in the third trimester of pregnancy. Serial fetal ultrasound examinations showed a megacystis and ascites. Postnatally, pronounced isolated ascites was drained and its urinary nature was confirmed...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29145274/diagnosis-of-fetal-megacystis-with-chromosomal-abnormality-by-2d-prenatal-ultrasound-a-case-report
#3
Fuman She, Shengwen Dong, Bibo Yuan, Xiaoli Gao
RATIONALE: The pathogenesis of fetal megacystis is divided into obstructive and nonobstructive. Megacystis combined with chromosomal abnormalities is rare and most of the cases are nonobstructive. PATIENT CONCERNS: The fetus showed posterior urethral obstructive megacystis with features of bladder enlargement, "keyhole" feature, and thick bladder wall. DIAGNOSES: Here, we present a case of fetal megacystis diagnosed by ultrasound at pregnancy week 15+2 and with multisystem abnormalities...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29057434/early-vesico-amniotic-shunting-does-it-change-the-prognosis-in-fetal-lower-urinary-tract-obstruction-diagnosed-in-the-first-trimester
#4
Marzena Dębska, Piotr Kretowicz, Anna Olędzka, Piotr Gastoł, Joanna Dangel, Małgorzata Świątkowska-Freund, Romuald Dębski
OBJECTIVES: The aim of the study was to assess the outcome of vesico-amniotic shunting performed before 16 weeks of pregnancy in fetuses with severe megacystis diagnosed in the first trimester of pregnancy. MATERIAL AND METHODS: Between January 2008 and October 2012 severe megacystis with the bladder length > 15 mm was diagnosed in 17 fetuses. The procedure of early vesico-amniotic shunting (VAS) was offered to 8 patients with presumably isolated LUTO. The procedure of VAS was performed in 6 fetuses...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28699212/fetal-megacystis-institutional-experience-and-outcomes
#5
Kiarash Taghavi, Caitlin Sharpe, Mark D Stringer, Jane Zuccollo, Jay Marlow
BACKGROUND: Fetal megacystis is a sonographic feature that may be indicative of several underlying pathologies. Despite advances in diagnosis and management, the overall prognosis of affected fetuses remains poor and about 50% of such pregnancies are terminated. AIMS: To define the frequency, management, survival and renal outcomes of fetal megacystis over nine years at Wellington Hospital, New Zealand. MATERIALS AND METHODS: A nine-year retrospective review of fetuses with an antenatal diagnosis of megacystis was undertaken...
July 12, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28667041/placental-fetal-thrombotic-vasculopathy-occurring-in-association-with-megacystis-microcolon-intestinal-hypoperistalsis-syndrome-a-case-report
#6
Anneliese Vélez-Pérez, Pamela Younes, Nina Tatevian
Megacystis-microcolon-intestinal hypoperistalsis syndrome (MMIHS) is a rare disease of functional obstruction affecting the bladder and intestines, characterized by a markedly distended bladder, microcolon, and decreased or absent intestinal peristalsis. Afflicted neonates have very poor prognosis, usually with fatal outcomes in first days to months of life. Placental fetal thrombotic vasculopathy (FTV) is a thrombo-occlusive disorder of the chorionic plate and fetal circulation. Herein, we describe an undocumented association of MMIHS and placental FTV...
May 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28580571/ultrasound-guided-balloon-catheterisation-a-new-method-of-fetal-lower-urinary-tract-obstruction-management
#7
Marzena Dębska, Adam Koleśnik, Piotr Kretowicz, Anna Olędzka, Piotr Gastoł, Romuald Dębski
OBJECTIVES: Fetal lower urinary tract obstruction (LUTO), most often associated with presence of posterior urethral valves, poses high risk of perinatal mortality or postnatal renal failure. Looking for a method of causative treatment we have devel-oped a technique of fetal urethroplasty with a coronary angioplasty balloon catheter inserted under an ultrasonographic guidance via an 18-gauge needle introduced transabdominally to fetal bladder. MATERIAL AND METHODS: We have used this procedure in three women with singleton pregnancies (two primiparas and one multipara, 32-35 years of age), diagnosed with fetal megacystis at 12-16 weeks of gestation...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28495235/prenatal-detection-of-megacystis-not-always-an-adverse-prognostic-factor-experience-in-25-consecutive-cases-in-a-tertiary-referral-center-with-complete-neonatal-outcome-and-follow-up
#8
Marcella Pellegrino, Daniela Visconti, Vincenzo Davide Catania, Luisa D'Oria, Carlo Manzoni, Maria Giovanna Grella, Alessandro Caruso, Lucia Masini, Giuseppe Noia
INTRODUCTION: Megacystis is a condition of abnormal enlarged fetal bladder for gestational age, which is usually associated with urological malformations that may constitute a life-threatening condition for the baby. OBJECTIVE: The purpose of this study was to assess the prognostic and etiological criteria of fetal megacystis and to describe the neonatal outcome in a large series collected in a single tertiary center. STUDY DESIGN: A retrospective observational study was conducted between 2008 and 2012...
October 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28399525/prognosis-of-isolated-first-trimester-fetal-megacystis-with-spontaneous-resolution
#9
Noémie Girard, Benjamin Viaris de Lesegno, Paul Bussière, Catherine Egoroff, Anne-Gaël Cordier, Alexandra Benachi
OBJECTIVE: Fetal megacystis has a poor prognosis. During the first trimester, it is frequently associated with chromosomal abnormalities or multiple malformations, but can also be isolated and resolve spontaneously. In this study, our main objective was to determine the fetal and pediatric prognosis in this particular situation. METHODS: This was a retrospective multicenter study. We describe the cases referred to our fetal medicine centers and also cases previously reported in the international literature...
April 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28397377/yield-of-a-12-13-week-scan-for-the-early-diagnosis-of-fetal-congenital-anomalies-in-the-cell-free-dna-era
#10
M J A Kenkhuis, M Bakker, F Bardi, F Fontanella, M K Bakker, H Fleurke-Rozema, C M Bilardo
OBJECTIVE: Aim of the study was to assess the percentage and type of anomalies (structural and chromosomal) that can be detected at an early scan performed at 12-13 weeks' gestation, as opposed to the present screening policy (20 -week scan). METHODS: Sonographers accredited for the nuchal translucency (NT) measurement were asked, after additional training, to participate into the study. The early scans were performed according to a protocol, in six ultrasound practices and 2 referral centers in the Northeast of the Netherlands...
April 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28278526/-acute-kidney-failure-due-to-urachal-cyst
#11
I Klaassen, M Wolf, M J Kemper, S Riechardt, M Boettcher, J Herrmann, D Singer
A 34-year-old para V woman was referred to our centre at 35+1 weeks of gestation for an assumed fetal malformation with prenatal renal impairment and anhydramnios. Prenatal ultrasound demonstrated unilateral renal agenesis; the bladder was not detectable. The baby was born by caesarian section at 36+2 weeks of gestation because of placental insufficiency. Postnatal adaptation was uneventful, but the newborn presented external stigmas of trisomy 21 and progressive renal impairment with anuria. Nevertheless, the postnatal ultrasound showed two enlarged kidneys in loco typico with impaired perfusion but without signs of malformations...
March 9, 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28133847/fetal-megacystis-prediction-of-spontaneous-resolution-and-outcome
#12
F Fontanella, L Duin, P N Adama van Scheltema, T E Cohen-Overbeek, E Pajkrt, M Bekker, C Willekes, C J Bax, C M Bilardo
OBJECTIVES: To investigate the natural history of fetal megacystis from diagnosis in utero to postnatal outcome, and to identify prognostic indicators of spontaneous resolution and postnatal outcome after resolution. METHODS: This was a national retrospective cohort study. Fetal megacystis was defined in the first trimester as a longitudinal bladder diameter (LBD) ≥ 7 mm, and in the second and third trimesters as an enlarged bladder failing to empty during the entire extended ultrasound examination...
October 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27964828/commentary-to-fetal-megacystis-a-systematic-review
#13
Goedele M A Beckers
No abstract text is available yet for this article.
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27889224/fetal-megacystis-a-systematic-review
#14
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. Later in pregnancy, a sagittal dimension (in mm) greater than gestational age (in weeks) + 12 is often accepted...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27764886/-female-preterm-monozygotic-twins-discordant-for-fetal-megacystis-due-to-cloacal-dysgenesis-after-conception-by-intracytoplasmatic-sperm-injection-case-report-and-review-of-literature
#15
REVIEW
M Schneider, I Schmeh, A Fruth, C Whybra-Trümpler, E Mildenberger
Monozygotic twins were previously regarded as "identical". By now an increasing number of case reports of monozygotic but discordant twins have been reported, and therefore discordance between monozygotic twins is being investigated intensively. We report a case of female preterm monozygotic twins who were discordant for fetal megacystis due to cloacal dysgenesis. Pregnancy was achieved after intracytoplasmatic sperm injection and transfer of 2 embryos. By the first trimester fetal megacystis with consecutive oligohydramnios and hypoplasia of the lungs was diagnosed...
October 2016: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/27558969/impact-of-holoprosencephaly-exomphalos-megacystis-and-increased-nuchal-translucency-on-first-trimester-screening-for-chromosomal-abnormalities
#16
A Syngelaki, L Guerra, I Ceccacci, T Efeturk, K H Nicolaides
OBJECTIVES: To examine the prevalence of alobar holoprosencephaly, exomphalos, megacystis and nuchal translucency thickness (NT) ≥ 3.5 mm, the incidence and types of chromosomal abnormalities associated with these conditions and their overall impact on the rate of invasive testing and performance of screening at 11-14 weeks. METHODS: This was a prospective screening study for trisomies 21, 18 and 13 by the first-trimester combined test at three maternity units in England...
July 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27394921/intrauterine-vesicoamniotic-shunting-for-fetal-megacystis
#17
MULTICENTER STUDY
R Stadié, B Strizek, I Gottschalk, A Geipel, U Gembruch, C Berg
OBJECTIVE: To examine the outcome of fetuses with megacystis treated with vesicoamniotic shunting (VAS) from 14 weeks onward. METHODS: Retrospective review of all fetuses that received VAS at two centres from 2004 to 2012. RESULTS: 53 fetuses with megacystis were included in the study. Mean gestational age at diagnosis was 16.4 weeks. Mean gestational age at first shunt placement was 17.8 weeks. The first shunt placement was performed before 16 weeks in 18 (34 %) cases...
November 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/26614135/imaging-evaluation-of-fetal-megacystis-how-can-magnetic-resonance-imaging-help
#18
REVIEW
Maria A Calvo-Garcia
Evaluation of the kidneys, bladder, and amniotic fluid volume forms part of any standard obstetrical ultrasound. When a fetal genitourinary anomaly is suspected, a more detailed evaluation is necessary. This detailed imaging can be challenging in the setting of decreased or absent amniotic fluid or large maternal body habitus, and in complex malformations. In these situations, magnetic resonance imaging can help to better define the fetal anatomy and provide a more confident and specific prenatal diagnosis.
December 2015: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/26117662/-fetal-abdominal-cysts-at-the-first-trimester-scan
#19
F Dhombres, S Friszer, O Castaing, R Bessis, J-M Jouannic
OBJECTIVES: Abdominal cysts are seldom detected at the first trimester scan. The aim of this study is to ascertain their outcome, which is currently not established. METHODS: The French College of Fetal Ultrasound conducted a prospective observational study of 24months, collecting all cases of abdominal cysts discovered during the first trimester ultrasound. Cases of megacystis were excluded from the study. Ultrasound images, prenatal diagnosis expert reports and pregnancy outcomes were collected by sonographers after patient consent...
July 2015: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/25998219/new-insights-into-the-genetics-of-fetal-megacystis-actg2-mutations-encoding-%C3%AE-2-smooth-muscle-actin-in-megacystis-microcolon-intestinal-hypoperistalsis-syndrome-berdon-syndrome
#20
Lea Tuzovic, Sha Tang, Russell S Miller, Luis Rohena, Layla Shahmirzadi, Kelly Gonzalez, Xiang Li, Charles A LeDuc, Jiancheng Guo, Ashley Wilson, Ashley Mills, Kenneth Glassberg, Heidi Rotterdam, Antonia R Sepulveda, Wenqi Zeng, Wendy K Chung, Kwame Anyane-Yeboa
OBJECTIVE: To identify the molecular basis for prenatally suspected cases of megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS) (MIM 249210) in 3 independent families with clinical and radiographic evidence of MMIHS. METHODS: Whole-exome sequencing (WES) and Sanger sequencing of the ACTG2 gene. RESULTS: We identified a novel heterozygous de novo missense variant in ACTG2 c.770G>A (p.Arg257His) encoding x03B3;-2 smooth muscle actin (ACTG2) in 2 siblings with MMIHS, suggesting gonadal mosaicism of one of the parents...
2015: Fetal Diagnosis and Therapy
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