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      DiGeorge Syndrome with Sacral Myelomeningocele and Epilepsy

      case-report

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          Abstract

          DiGeorge syndrome (DGS) is the most common microdeletion syndrome. The phenotype of DGS is highly variable involving facial, velopharyngeal, cardiac, immunologic, endocrinal, and neuropsychiatric abnormalities. Although neural tube defects (NTDs) have not been described as components of DGS in standard pediatric textbooks, there have been a few case reports of DGS with NTDs. Furthermore, in patients with DGS, seizures can occur due to hypocalcemia or cortical dysgenesis. Few cases of epilepsy have been reported with NTDs without a cortical defect. Here, we report a case of an infant with DGS with a sacral myelomeningocele inherited from the mother. The infant developed epilepsy without hypocalcemia or cortical dysgenesis which is considered related to the sacral myelomeningocele.

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          Neural tube defects and deletions of 22q11.

          R Nickel, R E Magenis (1996)
          Recently we reported on three unrelated children with neural tube defects (NTDs) and deletion of 22q11. Two of these children have velo-cardio-facial syndrome and the third DiGeorge sequence. Thus, NTDs appear to be part of the clinical picture due to 22q11 deletion. To further explore this association and to clarify what findings should prompt testing for this deletion in individuals with NTDs, we have reviewed all patients in a large regional spina bifida clinic population. Two hundred ninety-five patients with NTDs were identified by chart review. Charts were reviewed for congenital heart defect, minor facial anomalies, thymic hypoplasia, cleft lip and/or palate, hypocalcemia, and a family history of a NTD, congenital heart defect, or cleft lip and/or palate. A total of 22 patients was identified with NTD and at least one more clinical trait and/or a positive family history. Sixteen children received cytogenetic and molecular testing including the three previously reported patients diagnosed with a 22q11 deletion. Results of cytogenetic and molecular studies of the remaining 13 patients were normal. Deletion of 22q11 is an infrequent cause of NTDs. We recommend testing for the 22q11 deletion in patients with a NTD and conotruncal heart defect. Testing should be considered in patients with a NTD who have a first degree relative with a conotruncal heart defect or have additional clinical findings of VCFS or DGS.
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            A patient with DiGeorge syndrome with spina bifida and sacral myelomeningocele, who developed both hypocalcemia-induced seizure and epilepsy.

            Hiroyuki Kinoshita, Takashi Kokudo, Takafumi Ide … (2010)
            DiGeorge syndrome - a component of the 22q11 deletion syndrome - causes a disturbance in cervical neural crest migration that results in parathyroid hypoplasia. Patients can develop hypocalcemia-induced seizures. Spina bifida is caused by failure of neurulation, including a disturbance in the adhesion processes at the neurula stage. Spina bifida has been reported as a risk factor for epilepsy. We report, for the first time, the case of a patient with DiGeorge syndrome with spina bifida and sacral myelomeningocele, who developed both hypocalcemia-induced seizures and epilepsy. The patient had spina bifida and sacral myelomeningocele at birth. At the age of 13 years, he experienced a seizure for the first time. At this time, the calcium concentration was normal. An electroencephalogram (EEG) proved that the seizure was due to epilepsy. Antiepileptic medications controlled the seizure. At the age of 29, the patient's calcium concentration began to reduce. At the age of 40, hypocalcemia-induced seizure occurred. At this time, the calcium concentration was 5.5mg/dL (reference range, 8.7-10.1mg/dL). The level of intact parathyroid hormone (PTH) was 6 pg/mL (reference range, 10-65 pg/mL). Chromosomal and genetic examinations revealed a deletion of TUP-like enhancer of split gene 1 (tuple1)-the diagnostic marker of DiGeorge syndrome. Many patients with DiGeorge syndrome have cardiac anomalies; however, our patient had none. We propose that the association among DiGeorge syndrome, spina bifida, epilepsy, cardiac anomaly, 22q11, tuple1, and microdeletion inheritance should be clarified for appropriate diagnosis and treatment.
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              Epilepsy in children with meningomyelocele.

              Dinesh Talwar, Marjorie A. Baldwin, Cathy Horbatt (1995)
              The medical records of 89 children followed at a multidisciplinary Meningomyelocele Clinic at the Children's Clinics for Rehabilitative Services were reviewed. Almost all children in southern Arizona with meningomyelocele are followed at this clinic. Eight children (foreign nationals) were excluded because they were not eligible for neurosurgery/neurology services at the clinic. The remaining 81 children have been followed at the clinic from 0.25 to 21 years. Seventeen children (21%; age: 1.3-17 years, mean: 9.1 +/- 4.4 years; follow-up: 1.3-16 years) manifested seizures at some time during their course. All children with seizures had shunted hydrocephalus. Neonatal seizures occurred in 2 children currently not receiving medication. An additional 3 children had an acute symptomatic seizure associated with an intraventricular hemorrhage during ventriculoperitoneal shunt revision, 2 of whom later developed epilepsy. Fourteen children (17.3%) had epilepsy; 12 were taking antiepileptic drugs. Seizures were controlled on medication in 5 children. EEG abnormalities were present in 12 children (focal slowing 4, focal spikes 8, diffuse slowing 3, generalized or bilaterally synchronous spike-wave 4). Most of these children (12/14) had evidence of additional central nervous system (CNS) pathology (i.e., areas of encephalomalacia or past stroke 7, cerebral malformations 2, CNS calcifications 1, and frequent apneic spells/cardiac arrest 2). We conclude that epilepsy occurs in approximately 17% of children with meningomyelocele, and most have other CNS pathology to account for their seizures.
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Pediatr Neurosci
                Journal ID (iso-abbrev): J Pediatr Neurosci
                Journal ID (publisher-id): JPN
                Title: Journal of Pediatric Neurosciences
                Publisher: Medknow Publications & Media Pvt Ltd (India )
                ISSN (Print): 1817-1745
                ISSN (Electronic): 1998-3948
                Publication date (Print): Oct-Dec 2017
                Volume: 12
                Issue: 4
                Pages: 344-345
                Affiliations
                [1]Department of Pediatric Infectious Diseases, Faculty of Medicine, Selcuk University, Konya, Turkey
                [1 ]Department of Pediatric Neurology, Faculty of Medicine, Selcuk University, Konya, Turkey
                Author notes
                Address for correspondence: Dr. Gülsüm Alkan, Department of Pediatric Infectious Diseases, Faculty of Medicine, Selcuk University, Konya, Turkey. E-mail: galkan-85@ 123456hotmail.com
                Article
                Publisher ID: JPN-12-344
                DOI: 10.4103/jpn.JPN_92_17
                PMC ID: 5890554
                SO-VID: 32b1757f-641d-45d7-84f0-08d413fdb6aa
                Copyright © Copyright: © 2018 Journal of Pediatric Neurosciences
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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                Categories
                Subject: Case Report

                ScienceOpen disciplines: Neurosciences
                Keywords: digeorge syndrome,epilepsy,neural tube defects
                Data availability:
                ScienceOpen disciplines: Neurosciences
                Keywords: digeorge syndrome, epilepsy, neural tube defects

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