Research Topics
Species | Yaron ZalelSummaryCountry: Israel Publications
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Publications
The development of the fetal penis--an in utero sonographic evaluationY Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center Tel Hashomer, Israel
Ultrasound Obstet Gynecol 17:129-31. 2001..To establish a nomogram for fetal penile length during gestation...
The early development of the fetal kidney-an in utero sonographic evaluation between 13 and 22 weeks' gestationYaron Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Israel
Prenat Diagn 22:962-5. 2002..To establish a nomogram for early fetal kidney development during early gestation...
The progestative effect of the levonorgestrel-releasing intrauterine system--when does it manifest?Y Zalel
The Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, and Sackler Faculty of Medicine, Tel Aviv University, Ramat Gan, 52621, Tel Hashomer, Israel
Contraception 67:473-6. 2003..The present study has demonstrated that the local progestative effect of the levonorgestrel-releasing IUS on the endometrium is already manifested within a period of 3 months and over after insertion...
The three-vessel and tracheal view of the fetal heart: an in utero sonographic evaluationYaron Zalel
The Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
Prenat Diagn 24:174-8. 2004..To establish a nomogram for fetal cardiac three-vessel view diameter changes during gestation...
Shortened fetal long bones: a possible in utero manifestation of placental functionYaron Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Hashomer, Israel
Prenat Diagn 22:553-7. 2002..The combination of SFLB, SGA fetuses and placental abnormalities (sonographic, as well as histological) suggested a possible common pathway in the aetiology of this association...
The fetal mandible: an in utero sonographic evaluation between 11 and 31 weeks' gestationYaron Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Tel Aviv University, Ramat Gan, Israel
Prenat Diagn 26:163-7. 2006..To construct a growth chart of the mandible throughout gestation...
Rotation of the vermis as a cause of enlarged cisterna magna on prenatal imagingY Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Israel
Ultrasound Obstet Gynecol 27:490-3. 2006....
The development of the fetal vermis: an in-utero sonographic evaluationY Zalel
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer, Israel
Ultrasound Obstet Gynecol 19:136-9. 2002..To establish a nomogram for fetal vermis measurements during gestation...
The development of the fetal thymus: an in utero sonographic evaluationYaron Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
Prenat Diagn 22:114-7. 2002..To establish a nomogram for fetal thymus size during gestation...
Three-dimensional ultrasonography of the fetal vermis at 18 to 26 weeks' gestation: time of appearance of the primary fissureYaron Zalel
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, 52621 Ramat Gan, Israel
J Ultrasound Med 28:1-8. 2009..The purpose of this study was to establish the normality of the fetal vermis, ie, the time of appearance of the primary fissure, as well as its measurements between 18 and 26 weeks' gestation, using 3-dimensional (3D) ultrasonography...
Secondary cytomegalovirus infection can cause severe fetal sequelae despite maternal preconceptional immunityY Zalel
Ultrasound Unit, Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer affiliated with the Sackler School of Medicine, Tel Aviv University, Israel
Ultrasound Obstet Gynecol 31:417-20. 2008..To describe our experience in cases with sonographic signs of fetal infection and with maternal serological 'immunity' to cytomegalovirus (CMV) infection...
The resistance index in the fetal middle cerebral artery by gestational age and ventricle size in a normal populationYaron Zalel
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
Obstet Gynecol 100:1203-7. 2002..To study the association between fetal middle cerebral artery flow and the lateral cerebral ventricular width throughout gestation...
Fetal aberrant right subclavian artery in normal and Down syndrome fetusesY Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
Ultrasound Obstet Gynecol 31:25-9. 2008..To evaluate the prevalence of fetal aberrant right subclavian artery (ARSA) in a low-risk population and compare it with that among Down syndrome fetuses, in order to estimate its potential as a marker in Down syndrome screening...
Sonographic visualization of the middle phalanx of the fetal fifth digit between 13 and 17 weeks of gestationY Zalel
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Israel
Ultrasound Obstet Gynecol 30:263-5. 2007..To assess in utero visualization of the middle phalanx of the fifth digit (MPFD) between 13 and 17 weeks of gestation...
Development of the fetal spinal cord: time of ascendance of the normal conus medullaris as detected by sonographyYaron Zalel
Ultrasound Unit, Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, 52621 Tel Hashomer, Israel
J Ultrasound Med 25:1397-401; quiz 1402-3. 2006..The purpose of this study was to perform high-resolution sonographic examinations to determine the normal anatomic relationship of the conus medullaris (CM) of the spinal cord with the vertebral column during different stages of gestation...
Outcome of pregnancies with vertical transmission of primary cytomegalovirus infectionShlomo Lipitz
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
Obstet Gynecol 100:428-33. 2002..To study the outcome of 50 pregnancies with documented vertical transmission of cytomegalovirus infection...
The influence of prothrombotic polymorphisms and obstetrical and medical variables on the length of secondary postpartum hemorrhageOphira Salomon
Amalia Biron Research Institute of Thrombosis and Hemostasis, Sheba Medical Center, Tel Aviv University, Israel
J Womens Health (Larchmt) 14:306-10. 2005..To determine if the presence of prothrombotic polymorphisms, such as factor V G1691A (factor V Leiden) or factor II G20210A, affect the length of secondary postpartum bleeding...
The common prothrombotic factors in nulliparous women do not compromise blood flow in the feto-maternal circulation and are not associated with preeclampsia or intrauterine growth restrictionOphira Salomon
The Amalia Biron Thrombosis and Hemostasis Research Institute, Chaim Sheba Medical Center, Tel-Hashomer, Israel
Am J Obstet Gynecol 191:2002-9. 2004....
Role of color Doppler imaging in diagnosing and managing pregnancies complicated by placental chorioangiomaYaron Zalel
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer 52621, Israel
J Clin Ultrasound 30:264-9. 2002..CONCLUSIONS: Color Doppler imaging helps differentiate placental chorioangioma from other placental lesions and may be useful in the prenatal follow-up of chorioangioma...
Chorioangiomas of the placenta: sonographic and Doppler flow characteristicsYaron Zalel
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
J Ultrasound Med 21:909-13. 2002..The addition of color Doppler flow is important in the diagnosis and antenatal follow-up of these pregnancies...
Prenatal diagnosis of sex differentiation disorders: the role of fetal ultrasoundOrit Pinhas-Hamiel
Pediatric Endocrinology and Neonatology Unit, Sheba Medical Center, Ramat Gan 52621, Israel
J Clin Endocrinol Metab 87:4547-53. 2002..If the uterus appears normal, the most likely diagnosis is a virilized karyotypic female. Prenatal diagnosis allows for early parental counseling and anticipation of medical management postnatally...
Nonobstructive dilatation of the fetal bowel in twin gestations. A possible sonographic marker for fetal compromiseReuwen Achiron
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
Fetal Diagn Ther 18:128-31. 2003..To assess the possible association of in-utero bowel dilatation and circulatory changes with fetal compromise...
Fetal brain asymmetry: in utero sonographic study of normal fetusesZvi Kivilevitch
Ultrasound Unit, Maccabi Health Services, Beer Sheva, Israel
Am J Obstet Gynecol 202:359.e1-8. 2010..The objective of the study was to evaluate the magnitude of normal fetal brain asymmetry...
Prenatal diagnosis of cavum velum interpositum cysts: significance and outcomeVered H Eisenberg
Departments of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, and Sackler Faculty of Medicine, Tel Aviv University, Israel
Prenat Diagn 23:779-83. 2003..To describe a fetal cavum velum interpositum cyst (CVIC) and to review its clinical significance...
Prenatal sonographic diagnosis of hemivertebraBoaz Weisz
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
J Ultrasound Med 23:853-7. 2004..The 3 key factors in achieving an optimal spine at maturity, early diagnosis, anticipation, and prevention of deterioration, might be enhanced by our joint multidisciplinary approach to the diagnosis of skeletal anomalies...
Color Doppler imaging in the sonohysterographic diagnosis of residual trophoblastic tissueYaron Zalel
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Hashomer, Ramat-Gan 52621, Israel
J Clin Ultrasound 30:222-5. 2002..The detection of color Doppler signals, especially with low-resistance flow, within an intrauterine lesion should increase the confidence of the sonologist in the diagnosis of residual trophoblastic tissue...
Prenatal diagnosis of ascites with hydrometrocolpos and uterus didelphys in a monoamniotic twin pregnancyYinon Gilboa
Ultrasound Unit, Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, 52621 Tel Hashomer, Israel
J Ultrasound Med 26:373-6. 2007
Fetal lateral ventricular width: what should be its upper limit? A prospective cohort study and reanalysis of the current and previous dataBenny Almog
Department of Obstetrics and Gynecology, Lis Maternity Hospital, Tel-Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
J Ultrasound Med 22:39-43. 2003..This cutoff represents a range of approximately 3 SDs above the pooled mean, corresponding to a 99.74% confidence interval...
Type II single umbilical artery (persistent vitelline artery) in an otherwise normal fetusRonni Gamzu
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
Prenat Diagn 22:1040-3. 2002..The etiology of such a finding and its possible consequences are discussed...
Sonographic examination of the fetal vermis: tricks for obtaining the narrow midline target with 3-dimensional volume contrast imaging in the C planeOri Shen
Department of Obstetrics and Gynecology, Hadassah Hebrew University Medical Center, Jerusalem, Israel
J Ultrasound Med 30:827-31. 2011..Images of the fetal vermis suitable for morphologic evaluation were obtained in 408 of 414 cases (98.5%) at gestational ages of 18 weeks to 31 weeks 6 days; the examination time was only minimally increased...
Cervical Shirodkar cerclage may be the treatment modality of choice for cervical pregnancyShlomo Mashiach
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
Hum Reprod 17:493-6. 2002..CONCLUSION: Cervical cerclage may be considered as the treatment of choice in cases of cervical pregnancies. It may be the only therapy in cases of heterotopic pregnancies (intrauterine and cervical pregnancy)...
Evaluating the risk of tuberous sclerosis in cases with prenatal diagnosis of cardiac rhabdomyomaRonni Gamzu
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel Hashomer, Israel
Prenat Diagn 22:1044-7. 2002..Family history and multifocality remain the strongest predictors of tuberous sclerosis, whereas size of the cardiac tumor can not reliably be used to predict tuberous sclerosis in prenatal counseling...
Isolated fetal umbilical vein varix--prenatal sonographic diagnosis and suggested managementAlina Weissmann-Brenner
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Israel
Prenat Diagn 29:229-33. 2009..To present our experience with fetuses with umbilical vein varix (UVV), to investigate possible risk factors and to suggest a management scheme of evaluation...
Prenatal identification of esophageal atresia: the role of ultrasonography for evaluation of functional anatomyAdrian Shulman
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Israel
Prenat Diagn 22:669-74. 2002..To suggest a new ultrasonographic approach for prenatal diagnosis of esophageal atresia (EA)...
In-utero development of the fetal colon and rectum: sonographic evaluationY Zalel
Department of Obstetrics and Gynecology, Sheba Medical Center (affiliated to the Sackler School of Medicine, Tel-Aviv University, Tel-Hashomer, Israel
Ultrasound Obstet Gynecol 21:161-4. 2003..They may allow intrauterine assessment of the development of the fetal colon and may serve as reference values in the detection of anomalies of the fetal bowel...
The local progestational effect of the levonorgestrel-releasing intrauterine system: a sonographic and Doppler flow studyY Zalel
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
Hum Reprod 17:2878-80. 2002..We aimed to evaluate the effect of the levonorgestrel-releasing intrauterine system (LNG-IUS) on the uterine vasculature and the endometrium...
Ultrasonographic diagnosis of glossoptosis in fetuses with Pierre Robin sequence in early and mid pregnancyMoshe Bronshtein
Department of Obstetrics and Gynecology, Rambam Medical Center, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
Am J Obstet Gynecol 193:1561-4. 2005..998 fetuses. Glossoptosis and micrognathia were observed in the 4 retrospective cases. CONCLUSION: Sonographic identification of glossoptosis with fetal micrognathia suggests the possibility of Pierre Robin sequence...
Three- and four-dimensional ultrasound: new methods for evaluating fetal thoracic anomaliesR Achiron
Department of Obstetrics and Gynecology, Ultrasound Unit, The Chaim Sheba Medical Center, Tel Hashomer, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Israel
Ultrasound Obstet Gynecol 32:36-43. 2008..To study three- (3D) and four-dimensional (4D) ultrasound applications for the evaluation of fetal thoracic anomalies...
The "lasso sign": an early sonographic sign of posterior meningoceleAlina Weissmann-Brenner
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer 52621, Israel
ISRN Obstet Gynecol 2011:175916. 2011..The prenatal follow-up was uneventful, with no demonstration of tethered cord. Clinical, neurological and radiological examinations following delivery and at the age of four months were unremarkable...
Sonographic and Doppler flow characteristics of levonorgestrel and copper-releasing intrauterine devicesYaron Zalel
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Israel
MedGenMed 5:38. 2003
A comparative study of multifetal pregnancy reduction from triplets to twins in the first versus early second trimesters after detailed fetal screeningS Lipitz
Ultrasound Unit, Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Israel
Ultrasound Obstet Gynecol 18:35-8. 2001..To compare the outcome of multifetal pregnancy reduction from triplets to twins performed either early (at 11-12 weeks' gestation) or late (at 13-14 weeks)...
Development of the human fetal pons: in utero ultrasonographic studyR Achiron
Ultrasound Unit, Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer and Sackler School of Medicine, Israel
Ultrasound Obstet Gynecol 24:506-10. 2004..To examine the ultrasonographic feasibility of imaging the fetal pons and to construct a reference chart for its normal development during gestation...
Fetal lung dysplasia: clinical outcome based on a new classification systemR Achiron
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
Ultrasound Obstet Gynecol 24:127-33. 2004..To evaluate the clinical application of a new classification system of fetal lung anomalies...
Hysteroscopy may be the method of choice for management of residual trophoblastic tissueS B Cohen
Department of Obstetrics and Gynecology, Sheba Medical Center, Tel-Hashomer, Ramat-Gan 52621, Israel
J Am Assoc Gynecol Laparosc 8:199-202. 2001..CONCLUSION: Operative hysteroscopy for selective curettage of residual trophoblastic tissue should be considered an alternative to nonselective, blind curettage...
Prenatal ultrasonographic diagnosis of persistent hyperplastic primary vitreousE Katorza
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, Israel
Ultrasound Obstet Gynecol 32:226-8. 2008..Histological examination at postmortem confirmed the prenatal diagnosis of bilateral PHPV and cataract. A thorough ultrasound examination of the fetal eye in cases with cataract is recommended...
Tailored management of twin reversed arterial perfusion (TRAP) sequenceB Weisz
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer, affiliated to the Sackler School of Medicine, Tel Aviv University, Israel
Ultrasound Obstet Gynecol 23:451-5. 2004..To describe our management of pregnancies complicated by twin reversed arterial perfusion (TRAP) sequence...
Fetal thymus size as a predictor of chorioamnionitis in women with preterm premature rupture of membranesY Yinon
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
Ultrasound Obstet Gynecol 29:639-43. 2007..The aim of this study was to determine whether decreased fetal thymus size is associated with histological or clinical chorioamnionitis in patients with preterm premature rupture of membranes (PROM)...
Prenatal diagnosis of cervical chondrocutaneous vestigeY Gilboa
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Ramat Gan, Israel
Ultrasound Obstet Gynecol 30:1010-2. 2007..The association of cervical chondrocutaneous vestige with other anomalies emphasizes the importance of performing meticulous examination and biochemical marker analysis in affected cases...
Sonohysterography for the diagnosis of residual trophoblastic tissueY Zalel
Department of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel-Hashomer, Israel
J Ultrasound Med 20:877-81. 2001..Further studies comparing the efficacy of sonohysterography with that of diagnostic hysteroscopy are warranted...
Management of a triplet pregnancy with two anencephalic fetuses and polyhydramniosD Soriano
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Tel Hashomer 52621, Israel
Eur J Obstet Gynecol Reprod Biol 96:229-31. 2001..Its management, which results a healthy newborn weighing 1385 g is discussed...
