Der Balkenmangel

Unterharnscheidt, Friedrich; Jachnik, Dieter; Gött, Hans

doi:10.1007/978-3-642-95074-2

Cited by 12 publications

(6 citation statements)

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“…Partial or complete agenesis of the corpus callosum (ACC) was until recently considered to be a rare disorder [5], described as usually being associated with other congenital central nervous system (CNS) abnormalities such as lissencephaly, pachygyria, grey-matter heterotopias, polymicrogyria, schizencephaly, interhemispheric cysts, lipomas, micrencephaly, Dandy-Walker malformation, Chiari malformation or Aicardi syndrome [1,4,[22][23][24]. The diagnosis of ACC is predominantly made during childhood, since the majority of patients show delayed development, are mentally retarded and suffer from psychiatric and phy-sical ailments [6,[20][21][22].…”

Section: Introductionsupporting

confidence: 90%

“…The diagnosis of ACC is predominantly made during childhood, since the majority of patients show delayed development, are mentally retarded and suffer from psychiatric and phy-sical ailments [6,[20][21][22]. In contrast, an isolated and especially a symptomless ACC was considered to be an even rarer condition, diagnosed postmortem [12,20,22] or incidentally by computed tomography (CT) [6,9] or magnetic resonance imaging (MRI) [1,2,4].…”

Section: Introductionmentioning

confidence: 99%

“…Because with ACC diagnosed postmortem clinical information is often lacking, and since in cases diagnosed by pneumencephalography [14,15,22] or CT the brain anatomy can only be defined vaguely, we present a description of the detailed brain morphology as assessed by MRI in six patients with isolated ACC.…”

Section: Introductionmentioning

confidence: 99%

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Morphology of acallosal brains as assessed by MRI in six patients leading a normal daily life

Meyer

Röricht

Niehaus

1998

Journal of Neurology

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The pattern of anatomical features of the brain revealed by magnetic resonance imaging (MRI) is described in six patients incidentally identified as having acallosal brains. The complex of morphological features associated with complete agenesis of the corpus callosum included lateral displacement of slitlike anterior horns of the lateral ventricles (bullhorn-like shape), dilatation of the posterior horns of the lateral ventricles, absence of the septum pellucidum, lateral displacement of the cingulate gyri, complete separation of fornices and the presence of the anterior commissure and longitudinal callosal bundles (Probst's bundles). No compensatory enlargement of the anterior commissure was seen in the patients. The planimetrically measured cross-sectional areas of the anterior commissures were between 2.0 and 4.2 mm2 (mean 3.1) (in ten normal subjects they were 4.5, SD 0.4; range 3.8-5.2 mm2) and were reduced in four and normal in two patients. Inconstant morphological features were an absence of the posterior commissure and a radial pattern of the sulci and gyri on the medial aspect of the hemispheres. Conventional clinical testing revealed no abnormalities except a slight impairment of walking heel-to-toe in two patients. None of the patients had subjective restrictions of activities of daily life, which shows the efficacy of unknown compensatory processes.

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Section: Introductionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

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Morphology of acallosal brains as assessed by MRI in six patients leading a normal daily life

Meyer

Röricht

Niehaus

1998

Journal of Neurology

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“…Evidence however is hard to get. Unterharnscheidt et al (1968) found 285 cases of total or partial agenesis of the corpus callosum, diagnosed during life or at autopsy, in the literature and added 33 cases from their own experience. In this material no cases occurring together with tuberous sclerosis were mentioned.…”

Section: Discussionmentioning

confidence: 99%

Tuberous sclerosis and dysplasia of the corpus callosum. case report of their combined occurrence in a newborn

1978

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A neuropathological study is presented of a case showing the association of tuberous sclerosis of the brain and dysplasia of the corpus callosum as well as omphalocele and malrotated colon. No signs of tuberous sclerosis were found in the internal organs. From a review of the literature this appears to be the fourth case report of tuberous sclerosis and dysplasia of the corpus callosum. The association with omphalocele, to our knowledge, has not yet been reported.

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“…Major malformations in such brains are rare [Brousseau, 1928;Benda, 1946;Warkany et al, 1966], We are reporting a Down's syndrome infant with hydrocephalus, aqued uctal stenosis and partial agenesis of the corpus callosum. Review of the literature [Brousseau, 1928;Benda, 1946;Warkany et al, 1966;Unterharnscheidt et al, 1968;Fabia and Drolette, 1970] did not reveal a similar case.…”

mentioning

confidence: 99%

Hydrocephalus in Down’s Syndrome

Angayarkanni¹,

Ballweg²,

Donnenfeld³

et al. 1976

Pediatr Neurosurg

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An infant with hydrocephalus, aqueductal stenosis and partial agenesis of the corpus callosum in association with Down’s syndrome is reported. Review of the literature reveals that hydrocephalus is infrequent in Down’s syndrome. Of special interest is the occurrence of agenesis of the corpus callosum in our patient, a lesion often reported with other chromosomal abnormalities, but not previously observed in Down’s syndrome.

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Der Balkenmangel

Cited by 12 publications

References 0 publications

Morphology of acallosal brains as assessed by MRI in six patients leading a normal daily life

Morphology of acallosal brains as assessed by MRI in six patients leading a normal daily life

Tuberous sclerosis and dysplasia of the corpus callosum. case report of their combined occurrence in a newborn

Hydrocephalus in Down’s Syndrome

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