Research Topics
| J S HahnSummaryAffiliation: Stanford University Country: USA Publications
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Detail Information
Publications
Analysis of the cerebral cortex in holoprosencephaly with attention to the sylvian fissuresA James Barkovich
Department of Diagnostic Radiology, University of California-San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143, USA
AJNR Am J Neuroradiol 23:143-50. 2002..However, diffuse and focal abnormal sulci were observed. We propose our sylvian angle measurement of extent of frontal lobe development as an objective means of quantifying the severity of HPE...
Septopreoptic holoprosencephaly: a mild subtype associated with midline craniofacial anomaliesJ S Hahn
Department of Neurology, Medical Center, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305 5235, USA
AJNR Am J Neuroradiol 31:1596-601. 2010..Patients outside of infancy often manifested language delay, learning disabilities, or behavioral disturbances, while motor function was relatively spared...
Stimulus-induced drop episodes in Coffin-Lowry syndromeJin S Hahn
Department of Neurology, Stanford University, 750 Welch Road, Palo Alto, CA 94304, USA
Eur J Med Genet 55:335-7. 2012..The pathophysiology of SIDEs is not well understood...
Neuroimaging advances in holoprosencephaly: Refining the spectrum of the midline malformationJin S Hahn
Stanford University School of Medicine and Lucile Packard Children s Hospital, CA, USA
Am J Med Genet C Semin Med Genet 154:120-32. 2010..The severity of the abnormalities in these structures determines the severity of the neurodevelopmental outcome and associated sequelae...
Differential diagnosis and evaluation in pediatric multiple sclerosisJin S Hahn
Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA 94305, USA
Neurology 68:S13-22. 2007..The evaluation is determined by the clinical and neuroradiologic presentation. A minimal diagnostic battery is proposed. More expanded evaluations are indicated for specific or atypical clinical presentations...
Factor analysis of neuroanatomical and clinical characteristics of holoprosencephalyJin S Hahn
Department of Neurology and Pediatrics, Stanford University School of Medicine, CA 94305 5235, USA
Brain Dev 28:413-9. 2006..These factors and the constructs underlying them provide structure to the data and provide key parameters for future studies involving neurodevelopmental outcomes in HPE...
Endocrine disorders associated with holoprosencephalyJin S Hahn
Department of Pediatrics, Stanford University, Stanford, CA, 94305 5235, USA
J Pediatr Endocrinol Metab 18:935-41. 2005..To investigate the incidence of endocrinopathies in holoprosencephaly (HPE) and correlate the severity of the endocrinopathies with the neuroanatomic abnormalities...
Microangiopathy of brain, retina, and inner ear (Susac's syndrome) in an adolescent female presenting as acute disseminated encephalomyelitisJin S Hahn
Department of Neurology, Stanford University School of Medicine, Stanford, California, USA
Pediatrics 114:276-81. 2004..The full triad did not develop until 2.5 years after the initial neurologic presentation...
Congenital hypomyelination neuropathy in a newborn infant: unusual cause of diaphragmatic and vocal cord paralysesJ S Hahn
Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Lucile Packard Children s Hospital at Stanford, Stanford, California, USA
Pediatrics 108:E95. 2001..It appears to be a heterogeneous disorder with some of the cases being caused by specific genetic mutations...
Electroencephalography in holoprosencephaly: findings in children without epilepsyJin S Hahn
Department of Neurology, Stanford University School of Medicine, A343, 300 Pasteur Drive, Stanford, CA 94305 5235, USA
Clin Neurophysiol 114:1908-17. 2003..To evaluate the electroencephalographic characteristics of patients with holoprosencephaly (HPE) without epilepsy...
Hydranencephaly owing to twin-twin transfusion: serial fetal ultrasonography and magnetic resonance imaging findingsJin S Hahn
Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Lucile Packford Children s Hospital at Stanford, California 94305 5235, USA
J Child Neurol 18:367-70. 2003..In the surviving twin, the evolution of ventriculomegaly, first noted at 18 weeks, to hydranencephaly at 27 weeks is documented by serial sonograms. These findings were confirmed with fetal and postnatal magnetic resonance imaging...
Unilateral schizencephaly and contralateral polymicrogyria associated with umbilical cord massJin S Hahn
Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Lucile Packard Children s Hospital at Stanford, California 94305 5235, USA
J Child Neurol 18:232-4. 2003..The contralateral polymicrogyria was associated with an incomplete clefting in that hemisphere. An umbilical cord hamartoma is presumed to have caused hypoperfusion to the early developing brain, resulting in bilateral lesions...
Middle interhemispheric variant of holoprosencephaly: a distinct cliniconeuroradiologic subtypeA J Lewis
Stanford University School of Medicine and Lucile Packard Children's Hospital, CA, USA
Neurology 59:1860-5. 2002..CONCLUSION: MIH is a recognizable variant of HPE with differing clinical prognosis. Similar to the lobar subtype by functional measures, MIH differs from classic HPE by the absence of endocrine dysfunction and choreoathetosis...
Neuroanatomy of holoprosencephaly as predictor of function: beyond the face predicting the brainL L Plawner
Stanford University School of Medicine and Lucile Packard Children's Hospital, Palo Alto, CA, USA
Neurology 59:1058-66. 2002..01). CONCLUSIONS: Patients with HPE manifest a wide spectrum of clinical problems and neurologic dysfunction. The nature and severity of many of these problems can be predicted by specific neuroanatomic abnormalities found in HPE...
Frontal lobe seizures and uveitis associated with acute human parvovirus B19 infectionDavid Hsu
Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Lucile Packard Children's Hospital at Stanford, California 94305-5235, USA
J Child Neurol 19:304-6. 2004..Human parvovirus B19 infections in children are more commonly associated with febrile seizures and meningoencephalitis. Our case demonstrates that, rarely, it may be associated with the development of partial epilepsy...
Evaluation and management of children with holoprosencephalyJin S Hahn
Department of Neurology, Stanford University School of Medicine, California 94305-5235, USA
Pediatr Neurol 31:79-88. 2004..These findings have implications in the management of medical problems associated with holoprosencephaly and overall prognostication...
Mild developmental delay in terminal chromosome 6p deletionKelly M Chen
Department of Pediatrics, Division of Medical Genetics, Stanford University, School of Medicine, Stanford, California 94305-5208, USA
Am J Med Genet A 129:201-5. 2004..In an effort to define further the clinical variability of this condition, we report a 6-year-old female with a de novo terminal deletion of chromosome 6 at band 6p24, with mild gross motor delays and normal cognition...
Holoprosencephaly: genetic, neuroradiological, and clinical advancesJin S Hahn
Department of Neurology, Stanford University School of Medicine, Stanford, CA, USA
Semin Pediatr Neurol 9:309-19. 2002..We also discuss the implications for and importance of accurate diagnosis, prognosis, management of common medical problems, and counseling for affected families...
Decrease in hospital-wide mortality rate after implementation of a commercially sold computerized physician order entry systemChristopher A Longhurst
Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California, USA
Pediatrics 126:14-21. 2010..Despite widespread enthusiasm for CPOE as a tool to help transform quality and patient safety, no published studies to date have associated CPOE implementation with significant reductions in hospital-wide mortality rates...
Stimulus-induced drop episodes in Coffin-Lowry syndromeGregg B Nelson
Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA
Pediatrics 111:e197-202. 2003..CONCLUSIONS: Our data suggest that SIDEs in CLS are a heterogeneous group of nonepileptic events that may manifest features of both cataplexy and hyperekplexia, even in the same patient...
Acute disseminated encephalomyelitisSilvia Tenembaum
Department of Pediatric Neurology, National Pediatric Hospital Dr J P Garrahan, Buenos Aires, Argentina
Neurology 68:S23-36. 2007..An overview of ADEM treatment in children is provided. Finally, the controversies surrounding pediatric MS and ADEM are addressed...
The middle interhemispheric variant of holoprosencephalyErin M Simon
Department of Diagnostic Radiology, University of California-San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143, USA
AJNR Am J Neuroradiol 23:151-6. 2002..In MIH, impaired induction or expression of genetic factors appears to influence the embryonic roof plate, whereas in classic HPE, induction or expression of the embryonic floor plate seems to be affected...
Lobar holoprosencephaly with vocal cord palsyJin S Hahn
J Child Neurol 18:152; author reply 152. 2003
Links between abnormal brain structure and cognition in holoprosencephalyCynthia P Roesler
Center for Molecular and Behavioral Neuroscience, Rutgers University, Newark, New Jersey 07102, USA
Pediatr Neurol 35:387-94. 2006..These findings contribute a critical component to the growing body of knowledge regarding the medical and clinical outcomes of children with holoprosencephaly...
A retrospective survey of perinatal risk factors of 104 living children with holoprosencephalyElaine E Stashinko
Department of Neurology and Developmental Medicine, Kennedy Krieger Institute and Johns Hopkins University, Baltimore, Maryland 21205, USA
Am J Med Genet A 128:114-9. 2004..When possible, future population-based epidemiological studies should emphasize mechanisms that identify children with HPE outside of the newborn period and confirm the diagnosis by review of MRI or high quality CT brain scan...
