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Jiang F, Li DZ. Outcomes associated with isolated agenesis of the corpus callosum diagnosed in utero. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2022; 60:587-588. [PMID: 36183349 DOI: 10.1002/uog.26065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/14/2022] [Indexed: 05/27/2023]
Affiliation(s)
- F Jiang
- Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center affiliated to Guangzhou Medical University, Guangzhou, Guangdong, China
| | - D-Z Li
- Prenatal Diagnostic Center, Guangzhou Women and Children's Medical Center affiliated to Guangzhou Medical University, Guangzhou, Guangdong, China
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Nagaraj UD, Bierbrauer KS, Stevenson CB, Peiro JL, Lim FY, Habli MA, Kline-Fath BM. Prenatal and postnatal MRI findings in open spinal dysraphism following intrauterine repair via open versus fetoscopic surgical techniques. Prenat Diagn 2019; 40:49-57. [PMID: 31351017 DOI: 10.1002/pd.5540] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/12/2019] [Accepted: 07/20/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE The purpose of the study is to examine MRI findings of the brain and spine on prenatal and postnatal MRI following intrauterine repair of open spinal dysraphism (OSD) by open hysterotomy and fetoscopic approaches. MATERIALS AND METHODS This study is a single-center HIPAA-compliant and IRB-approved retrospective analysis of fetal MRIs with open spinal dysraphism from January 2011 through December 2018 that underwent subsequent prenatal repair of OSD. RESULTS Sixty-two patients met inclusion criteria: 47 underwent open repair, and 15 underwent fetoscopic repair, with an average gestational age of 22.6 ± 1.4 weeks at initial MRI. On postnatal MRI, spinal cord syrinx was seen in 34% (16/47) of patients undergoing open versus 33.3% (5/15) undergoing fetoscopic repair (P = 0.96). Postnatally, there was no significant difference in hindbrain herniation between the open versus fetoscopic repair groups (P = 0.28). Lateral ventricular size was significantly larger in the open (20.9 ± 6.7 mm) versus the fetoscopic repair (16.1 ± 4.9 mm) group (P = 0.01). CONCLUSION Though lateral ventricular size in the open repair group was larger than the fetoscopic repair group, this can likely be explained by initial selection criteria used for fetoscopic repair. Other postoperative imaging parameters on postnatal MRI were not significantly different between the two groups.
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Affiliation(s)
- Usha D Nagaraj
- Department of Radiology and Medical Imaging, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Karin S Bierbrauer
- University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Charles B Stevenson
- University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Jose L Peiro
- University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Department of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Foong Yen Lim
- University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Department of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Mounira A Habli
- University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Department of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Beth M Kline-Fath
- Department of Radiology and Medical Imaging, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,University of Cincinnati College of Medicine, Cincinnati, OH, USA
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Nagaraj UD, Bierbrauer KS, Zhang B, Peiro JL, Kline-Fath BM. Hindbrain Herniation in Chiari II Malformation on Fetal and Postnatal MRI. AJNR Am J Neuroradiol 2017; 38:1031-1036. [PMID: 28279990 DOI: 10.3174/ajnr.a5116] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 12/19/2016] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE As the practice of in utero repair of myelomeningoceles becomes more prevalent, knowledge of the expected MR imaging findings has become increasingly important. Our aim was to examine neuroimaging findings with a focus on hindbrain herniation and ventricular size in fetuses with open spinal dysraphism and to compare them with postnatal imaging features in groups undergoing prenatal-versus-postnatal repair. MATERIALS AND METHODS Single-center retrospective analysis was performed on MRIs of fetuses with open spinal dysraphism from January 2004 through July 2015 with available postnatal imaging. One hundred two fetuses were included. Reports from available fetal ultrasound were also examined. Images were reviewed by 2 board-certified fellowship-trained pediatric neuroradiologists. Descriptive analyses were performed to demonstrate the distribution of the imaging findings. RESULTS Thirty-two of 102 (31.3%) fetuses underwent in utero repair of open spinal dysraphism; 68.6% (70/102) underwent postnatal repair. Ninety-four of 102 (92.2%) fetuses had cerebellar ectopia. Of those who underwent prenatal repair (26 grade 3, 6 grade 2), 81.3% (26/32) had resolved cerebellar ectopia postnatally. Of those who had severe cerebellar ectopia (grade 3) that underwent postnatal repair, 65.5% (36/55) remained grade 3, while the remaining 34.5% (19/55) improved to grade 2. The degree of postnatal lateral ventriculomegaly in those that underwent prenatal repair (20.3 ± 5.6 mm) was not significantly different from that in those that underwent postnatal repair (21.5 ± 10.2 mm, P = .53). Increased Chiari grade was significantly correlated with decreased head size for gestational age on fetal sonography (P = .0054). CONCLUSIONS In fetuses with open spinal dysraphism and severe Chiari II malformation that do not undergo prenatal repair, most have no change in the severity of cerebellar ectopia/Chiari grade. However, in fetuses that undergo in utero repair, most have resolved cerebellar ectopia postnatally.
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Affiliation(s)
- U D Nagaraj
- University of Cincinnati College of Medicine (U.D.N., K.S.B., B.Z., J.L.P., B.M.K.-F.), Cincinnati, Ohio.
| | - K S Bierbrauer
- Department of Pediatric Neurosurgery (K.S.B.).,University of Cincinnati College of Medicine (U.D.N., K.S.B., B.Z., J.L.P., B.M.K.-F.), Cincinnati, Ohio
| | - B Zhang
- From the Department of Radiology and Medical Imaging (B.Z., B.M.K.-F.).,Division of Biostatistics and Epidemiology (B.Z.).,University of Cincinnati College of Medicine (U.D.N., K.S.B., B.Z., J.L.P., B.M.K.-F.), Cincinnati, Ohio
| | - J L Peiro
- Department of Pediatric Surgery (J.L.P.), Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,University of Cincinnati College of Medicine (U.D.N., K.S.B., B.Z., J.L.P., B.M.K.-F.), Cincinnati, Ohio
| | - B M Kline-Fath
- From the Department of Radiology and Medical Imaging (B.Z., B.M.K.-F.).,University of Cincinnati College of Medicine (U.D.N., K.S.B., B.Z., J.L.P., B.M.K.-F.), Cincinnati, Ohio
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Gonçalves LF, Lee W, Mody S, Shetty A, Sangi-Haghpeykar H, Romero R. Diagnostic accuracy of ultrasonography and magnetic resonance imaging for the detection of fetal anomalies: a blinded case-control study. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2016; 48:185-192. [PMID: 26444861 PMCID: PMC5987216 DOI: 10.1002/uog.15774] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 09/23/2015] [Accepted: 09/26/2015] [Indexed: 05/31/2023]
Abstract
OBJECTIVES To compare the accuracy of two-dimensional ultrasound (2D-US), three-dimensional ultrasound (3D-US) and magnetic resonance imaging (MRI) for the diagnosis of congenital anomalies without prior knowledge of indications and previous imaging findings. METHODS This was a prospective, blinded case-control study comprising women with a singleton pregnancy with fetal congenital abnormalities identified on clinical ultrasound and those with an uncomplicated pregnancy. All women volunteered to undergo 2D-US, 3D-US and MRI, which were performed at one institution. Different examiners at a collaborating institution performed image interpretation. Sensitivity and specificity of the three imaging methods were calculated for individual anomalies, based on postnatal imaging and/or autopsy as the definitive diagnosis. Diagnostic confidence was graded on a four-point Likert scale. RESULTS A total of 157 singleton pregnancies were enrolled, however nine cases were excluded owing to incomplete outcome, resulting in 148 fetuses (58 cases and 90 controls) included in the final analysis. Among cases, 13 (22.4%) had central nervous system (CNS) anomalies, 40 (69.0%) had non-CNS anomalies and five (8.6%) had both CNS and non-CNS anomalies. The main findings were: (1) MRI was more sensitive than 3D-US for diagnosing CNS anomalies (MRI, 88.9% (16/18) vs 3D-US, 66.7% (12/18) vs 2D-US, 72.2% (13/18); McNemar's test for MRI vs 3D-US: P = 0.046); (2) MRI provided additional information affecting prognosis and/or counseling in 22.2% (4/18) of fetuses with CNS anomalies; (3) 2D-US, 3D-US and MRI had similar sensitivity for diagnosing non-CNS anomalies; (4) specificity for all anomalies was highest for 3D-US (MRI, 85.6% (77/90) vs 3D-US, 94.4% (85/90) vs 2D-US, 92.2% (83/90); McNemar's test for MRI vs 3D-US: P = 0.03); and (5) the confidence of MRI for ruling out certain CNS abnormalities (usually questionable for cortical dysplasias or hemorrhage) that were not confirmed after delivery was lower than it was for 2D-US and 3D-US. CONCLUSIONS MRI was more sensitive than ultrasonography and provided additional information that changed prognosis, counseling or management in 22.2% of fetuses with CNS anomalies. False-positive diagnoses for subtle CNS findings were higher with MRI than with ultrasonography. Copyright © 2015 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- L. F. Gonçalves
- Department of Obstetrics and Gynecology, Division of Fetal Imaging, Oakland University William Beaumont Hospital School of Medicine, Rochester, MI, USA
- Department of Radiology, Division of Pediatric Radiology, Oakland University William Beaumont Hospital School of Medicine, Rochester, MI, USA
| | - W. Lee
- Department of Obstetrics and Gynecology, Division of Women’s and Fetal Imaging, Baylor College of Medicine, Houston, TX, USA
| | - S. Mody
- Department of Radiology, Division of Pediatric Radiology, Children’s Hospital of Michigan, Detroit Medical Center, Detroit, MI, USA
| | - A. Shetty
- Department of Obstetrics and Gynecology, Division of Women’s and Fetal Imaging, Baylor College of Medicine, Houston, TX, USA
| | - H. Sangi-Haghpeykar
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Baylor College of Medicine, Houston, TX, USA
| | - R. Romero
- Perinatology Research Branch, Eunice Kennedy Shriver NICHD/NIH/DHHS, Detroit, MI, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
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Hashiguchi K, Morioka T, Murakami N, Yamashita K, Hiwatashi A, Ochiai M, Morokuma S, Iihara K. Clinical Significance of Prenatal and Postnatal Heavily T2-Weighted Magnetic Resonance Images in Patients with Myelomeningocele. Pediatr Neurosurg 2015; 50:310-20. [PMID: 26413833 DOI: 10.1159/000381746] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 03/17/2015] [Indexed: 11/19/2022]
Abstract
PURPOSE To compare the utility and limitations of prenatal magnetic resonance (MR) imaging using half-Fourier acquisition single-shot turbo spin-echo (HASTE) with postnatal heavily T2-weighted imaging (hT2WI) for the evaluation of central nervous system abnormalities associated with myelomeningocele (MMC). METHODS Sixteen patients with MMC who had undergone pre- and postnatal MR imaging were included in this study. MR imaging, including HASTE, was undertaken in the 3rd trimester, and hT2WI was performed immediately after delivery. The precision with which each could distinguish MMC, hindbrain herniation and ventriculomegaly was compared retrospectively. RESULTS The skin defects and MMC sacs were clearly visible on prenatal HASTE images, although it was difficult to identify precisely the level of MMC compared with postnatal hT2WI, in which the detailed anatomical relationships of the spinal cord, neural placode and ventral nerve roots were evident in every case. Hindbrain herniation could be visualized on prenatal HASTE images, although its severity was difficult to evaluate because of the small size of the structures and neck flexion; again, the resolution was superior on postnatal hT2WI. For hydrocephalus, there were no significant differences in the diagnostic precision and ability to grade the severity between pre- and postnatal imaging. CONCLUSION Prenatal HASTE imaging permits the diagnosis and understanding of the gross anatomy of MMC and associated hindbrain herniation and ventriculomegaly, but postnatal hT2WI is superior for evaluating detailed anatomy.
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Kasprian GJ, Paldino MJ, Mehollin-Ray AR, Shetty A, Williams JL, Lee W, Cassady CI. Prenatal imaging of occipital encephaloceles. Fetal Diagn Ther 2014; 37:241-8. [PMID: 25358260 DOI: 10.1159/000366159] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 07/25/2014] [Indexed: 11/19/2022]
Abstract
INTRODUCTION This retrospective study aims to describe systematically the fetal cerebral MR morphology in cases with occipital meningoencephaloceles using standard and advanced fetal MRI techniques. MATERIAL AND METHODS The 1.5-tesla MR examinations (T1- and T2-weighted imaging, echo planar imaging, EPI, diffusion-weighted imaging, DWI) of 14 fetuses with occipital/parietal meningoencephaloceles were retrospectively analyzed for the classification of anatomic characteristics. A diffusion tensor sequence was performed in 5 cases. RESULTS In 9/14 cases the occipital lobes were entirely or partially included in the encephalocele sac. Typical features of Chiari III malformation were seen in 6/14 cases. The displaced brain appeared grossly disorganized in 6/14. The brainstem displayed abnormal 'kinking'/rotation (3/14), a z-shape (1/14) and/or a molar tooth-like configuration of the midbrain (3/14). Tractography revealed the presence and position of sensorimotor tracts in 5/5 and the corpus callosum in 3/5. DWI was helpful in the identification of a displaced brain (in 8/9). EPI visualized the anatomy of draining cerebral veins in 7/9 cases. Clinical (9/14) and MRI (7/14) follow-up data are presented. DISCUSSION Encephaloceles show a wide range of morphological heterogeneity. Fetal MRI serves as an accurate tool in the visualization of brainstem, white matter pathway and cerebral venous involvement and facilitates the detection of specific underlying syndromes such as ciliopathies.
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Affiliation(s)
- Gregor J Kasprian
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
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Idowu OE, Olawehinmi OS. Surgical congenital central nervous system anomalies in a tropical teaching hospital. Br J Neurosurg 2012; 26:726-9. [PMID: 22545805 DOI: 10.3109/02688697.2012.680622] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Surgical congenital malformations of the central nervous system (CNS) are structural defects with potential for morbidity and mortality more so if intervention is delayed. AIM To determine the frequency and pattern of surgical CNS anomalies in our region. METHODS We carried out a hospital-based prospective observational study of all consecutive children who presented to our unit over a 2-year period. Brain computerised tomography and/or magnetic resonance imaging was performed on all patients suspected of having cranial CNS abnormalities. RESULTS There were 94 children with surgical congenital anomalies of the CNS during the study period, with a male to female ratio of 1:1.1. There was no parental consanguinity in all the cases neither were there any history of preconception use of folic acid in all the mothers of the patients. Prenatal ultrasound was done after the first trimester in 91 cases (97%), but anomaly was noted in only 23 cases (25.3%). Eighty-six percent of the patients presented after the first month of life. Though there was a general delay in presentation, patients with neural tube defect tended to present much earlier compared to others (p = 0.005). Likewise, patients with spinal anomalies tend to be seen much earlier. CONCLUSIONS Late presentation of CNS anomalies is still the norm in our region. The result makes a case for an aggressive approach to periconceptional folic acid supplementation for our women and policy to encourage fortification of a staple food with folic acid. A nationwide effort to fully clarify the epidemiology is needed so as to indicate where the community and governmental resources, including educational efforts should be directed.
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Affiliation(s)
- O E Idowu
- Neurosurgery Unit, Department of Surgery, Lagos State University College of Medicine, Ikeja, Lagos, Nigeria.
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Hankinson TC, Vanaman M, Kan P, Laifer-Narin S, Delapaz R, Feldstein N, Anderson RCE. Correlation between ventriculomegaly on prenatal magnetic resonance imaging and the need for postnatal ventricular shunt placement. J Neurosurg Pediatr 2009; 3:365-70. [PMID: 19409014 DOI: 10.3171/2009.1.peds08328] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECT Pediatric neurosurgeons are increasingly called on to provide prognostic data regarding the antenatal diagnosis of ventriculomegaly. This study was designed to determine if there is a correlation between prenatal MR imaging results and the need for ventricular shunt placement during the neonatal period. METHODS The authors retrospectively reviewed the prenatal MR imaging data of 38 consecutive patients who had been referred for neurosurgical consultation following the diagnosis of ventriculomegaly. The outcome measure was placement of a ventricular shunt. Assessed parameters included prenatal atrial diameter (AD), gestational age at MR imaging, time between imaging studies, presence of concomitant CNS anomalies, laterality of ventriculomegaly, fetal sex, and temporal evolution of ventriculomegaly. Logistic regression analysis was completed with the calculation of appropriate ORs and 95% CIs. RESULTS Six patients (16%) required shunt placement, all with an AD > or = 20 mm (mean 23.8 mm) at the time of imaging. Eight patients had presented with an AD > or = 20 mm. Atrial diameter was the only presenting feature that correlated with shunt placement (OR 1.58, 95% CI 1.10-2.25, p = 0.01). Logistic regression analysis revealed no statistical correlation between the need for ventricular shunting and gestational age at MR imaging, time between imaging studies, fetal sex, presence of additional CNS anomalies, and laterality of the ventriculomegaly. CONCLUSIONS When assessed using MR imaging, an AD > or = 20 mm at any gestational age is highly associated with the need for postnatal shunting. Patients with concomitant CNS anomalies did not require shunts at a greater rate than those with isolated ventriculomegaly. Further studies are required to assess the long-term outcome of this patient population.
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Affiliation(s)
- Todd C Hankinson
- Department of Neurosurgery, Columbia University, New York, New York 10032, USA.
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Messing-Jünger AM, Röhrig A, Stressig R, Schaper J, Turowski B, Blondin D. Fetal MRI of the central nervous system: clinical relevance. Childs Nerv Syst 2009; 25:165-71. [PMID: 19039594 DOI: 10.1007/s00381-008-0745-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2008] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Specific conditions of the mother sometimes reduce the quality of ultrasound. In these cases, fetal magnetic resonance imaging (MRI) can be performed after gestational week (GW) 18. Interpretation of subtle disorders or malformations becomes safe not before GW 23. Clinical development of children with central nervous system (CNS) disorders is not predictable with imaging alone. Statistical evidence and personal experience of the medical team are essential in counseling, but optimized imaging is helpful in being more precise. The value of fetal MRI (fMRI) is evaluated. MATERIALS AND METHODS Twenty-five pregnant women (30.5 +/- 4.5 years) were investigated by additional fMRI. TECHNIQUE Breath-hold technique with T2 half-Fourier acquisition single-shot turbo spin-echo and T1 FLASH-2D images in three dimensions with field of view of 350 x 400 mm. All cases have been correlated with postnatal MRI, ultrasound, and clinical follow-up. RESULTS In all fetuses, diagnostic MRI was performed 3-10 days after ultrasound between GW 22 and 34 (GW 26.1 +/- 3.6). Sedation was not necessary. In eight cases of suspicious ultrasound, fMRI confirmed ultrasound findings. In 13 cases, additional diagnoses or exclusions of suspected findings could be established. Complete revision of diagnosis was realized in four cases. Findings could be confirmed by postnatal MRI in 11 patients. The clinical course was not predictable in cases with ambivalent prognosis. CONCLUSIONS Prenatal diagnosis of CNS pathologies should result in parental counseling. Sufficient diagnostic information, statistical data, and experience of the involved professionals are essential. These results show that in detecting congenital CNS abnormalities fMRI is superior to ultrasound and should be considered in difficult cases.
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Affiliation(s)
- A M Messing-Jünger
- Abteilung für Neurochirurgie, Asklepios Kinderklinik Sankt Augustin, Universität Bonn, Sankt Augustin, Germany.
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Hadzagić-Catibusić F, Maksić H, Uzicanin S, Heljić S, Zubcević S, Merhemić Z, Cengić A, Kulenović E. Congenital malformations of the central nervous system: clinical approach. Bosn J Basic Med Sci 2008; 8:356-60. [PMID: 19125708 PMCID: PMC5677281 DOI: 10.17305/bjbms.2008.2897] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Central nervous system (CNS) malformations represent important factor of morbidity and mortality in children. The aim of the study was to determine the incidence, type and clinical features of CNS malformations in children who were admitted at the Neonatal and Child Neurology Department, Neonatal Intensive Care Unit and Paediatric Intensive Care Unit of Paediatric Clinic, University of Sarajevo Clinics Centre, from January 1st, 2002 to December 31st, 2006. There were total of 16520 admissions at the Paediatric Clinic over the studied period. CNS malformations, solitary or multiple, have been diagnosed in 100 patients (0,61%). The total number of various CNS malformations was 127. Lethal outcome was established in 9/100 cases (9%). The most frequent CNS malformations were neural tube defects 49/127 (38,6%). Hydrocephalus was seen in 34/127 (26,8%), microcephaly in 24/127 (18,9%), agenesis of corpus callosum in 10/127 (7,9%), Dandy Walker malformation in 6/127 (4,7%) and other CNS malformations in 4/127 (3,1%). In 20/100 of patients neural tube defect was associated with hydrocephalus (20%). CNS malformations were prenatally diagnosed in 13/100 of patients (13%). Primary prevention of CNS malformations can be improved in our country by better implementation of preconceptional folic acid therapy for all women of childbearing age. Secondary prevention by prenatal diagnosis requires advanced technical equipment and adequate education of physicians in the field of foetal ultrasonography. In our circumstances, prenatal diagnostics of CNS malformations is still not developed enough.
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