Generalized hypotonia, and Lissencephaly

Diseases related with Generalized hypotonia and Lissencephaly

In the following list you will find some of the most common rare diseases related to Generalized hypotonia and Lissencephaly that can help you solving undiagnosed cases.

Top matches:

Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A) is an autosomal recessive disorder with characteristic brain and eye malformations, profound mental retardation, congenital muscular dystrophy, and death usually in the first years of life. The phenotype includes the alternative clinical designation Walker-Warburg syndrome (WWS). The disorder represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1; 128239), collectively known as 'dystroglycanopathies' (summary by Manzini et al., 2012).For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (OMIM ).

MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 8; MDDGA8 Is also known as walker-warburg syndrome or muscle-eye-brain disease, gtdc2-related

Related symptoms:

  • Intellectual disability
  • Global developmental delay
  • Generalized hypotonia
  • Ventriculomegaly
  • Hydrocephalus


SOURCES: OMIM MENDELIAN

More info about MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 8; MDDGA8

Complex cortical dysplasia with other brain malformations-9 is a severe autosomal recessive disorder characterized by profoundly impaired motor and cognitive development apparent from early infancy. Affected individuals develop intractable seizures and are unable to speak or ambulate. Brain imaging shows pachygyria as well as hypogenesis of the corpus callosum and other variable brain abnormalities. The phenotype results from impaired cortical neuronal migration (summary by Schaffer et al., 2018).For a discussion of genetic heterogeneity of CDCBM, see CDCBM1 (OMIM ).

Related symptoms:

  • Seizures
  • Generalized hypotonia
  • Microcephaly
  • Ataxia
  • Hyperreflexia


SOURCES: OMIM MENDELIAN

More info about CORTICAL DYSPLASIA, COMPLEX, WITH OTHER BRAIN MALFORMATIONS 9; CDCBM9

Zellweger syndrome (ZS) is an autosomal recessive multiple congenital anomaly syndrome resulting from disordered peroxisome biogenesis. Affected children present in the newborn period with profound hypotonia, seizures, and inability to feed. Characteristic craniofacial anomalies, eye abnormalities, neuronal migration defects, hepatomegaly, and chondrodysplasia punctata are present. Children with this condition do not show any significant development and usually die in the first year of life (summary by Steinberg et al., 2006).For a complete phenotypic description and a discussion of genetic heterogeneity of Zellweger syndrome, see {214100}.Individuals with PBDs of complementation group 7 (CG7, equivalent to CGB) have mutations in the PEX10 gene. For information on the history of PBD complementation groups, see {214100}.

Related symptoms:

  • Seizures
  • Generalized hypotonia
  • Hepatomegaly
  • Wide nasal bridge
  • Feeding difficulties in infancy


SOURCES: OMIM MESH MENDELIAN

More info about PEROXISOME BIOGENESIS DISORDER 6A (ZELLWEGER); PBD6A

Other less relevant matches:

Lissencephaly (LIS), literally meaning smooth brain, is characterized by smooth or nearly smooth cerebral surface and a paucity of gyral and sulcal development, encompassing a spectrum of brain surface malformations ranging from complete agyria to subcortical band heterotopia (SBH). Classic lissencephaly is associated with an abnormally thick cortex, reduced or abnormal lamination, and diffuse neuronal heterotopia. SBH consists of circumferential bands of heterotopic neurons located just beneath the cortex and separated from it by a thin band of white matter. SBH represents the less severe end of the lissencephaly spectrum of malformations (Pilz et al., 1999, summary by Kato and Dobyns, 2003). Agyria, i.e., brain without convolutions or gyri, was considered a rare malformation until recent progress in neuroradiology (Bordarier et al., 1986). With this technical advantage, a number of lissencephaly syndromes have been distinguished.Classic lissencephaly (formerly type I) is a brain malformation caused by abnormal neuronal migration at 9 to 13 weeks' gestation, resulting in a spectrum of agyria, mixed agyria/pachygyria, and pachygyria. It is characterized by an abnormally thick and poorly organized cortex with 4 primitive layers, diffuse neuronal heterotopia, enlarged and dysmorphic ventricles, and often hypoplasia of the corpus callosum. (Lo Nigro et al., 1997).Kato and Dobyns (2003) presented a classification system for neuronal migration disorders based on brain imaging findings and molecular analysis. The authors also reviewed the contributions and interactions of the 5 genes then known to cause human lissencephaly: LIS1 or PAFAH1B1, 14-3-3-epsilon (YWHAE), DCX, RELN, and ARX. Genetic Heterogeneity of LissencephalyLissencephaly is a genetically heterogeneous disorder. See also LIS2 (OMIM ), caused by mutation in the RELN gene (OMIM ) on chromosome 7q22; LIS3 (OMIM ), caused by mutation in the TUBA1A gene (OMIM ) on chromosome 12q13; LIS4 (OMIM ), caused by mutation in the NDE1 gene (OMIM ) on chromosome 16p13; LIS5 (OMIM ), caused by mutation in the LAMB1 gene (OMIM ) on chromosome 7q; LIS6 (OMIM ), caused by mutation in the KATNB1 gene (OMIM ) on chromosome 16q21; LIS7 (OMIM ), caused by mutation in the CDK5 gene (OMIM ) on chromosome 7q36; and LIS8 (OMIM ), caused by mutation in the TMTC3 gene (OMIM ) on chromosome 12q21.X-linked forms include LISX1 (OMIM ), caused by mutation in the DCX gene (OMIM ) on chromosome Xq22.3-q23, and LISX2 (OMIM ), caused by mutation in the ARX gene (OMIM ) on chromosome Xp22.3-p21.1.See also Miller-Dieker lissencephaly syndrome (MDLS ), a contiguous gene microdeletion syndrome involving chromosome 17p13 and including the PAFAH1B1 and YWHAE (OMIM ) genes. Lissencephaly caused by mutations in the PAFAH1B1 gene is also called 'isolated' lissencephaly to distinguish it from the accompanying features of MDLS.

LISSENCEPHALY 1; LIS1 Is also known as lissencephaly, classic|ils|lissencephaly sequence, isolated

Related symptoms:

  • Intellectual disability
  • Seizures
  • Global developmental delay
  • Generalized hypotonia
  • Microcephaly


SOURCES: ORPHANET OMIM MENDELIAN

More info about LISSENCEPHALY 1; LIS1

Joubert syndrome-24 is an autosomal recessive ciliopathy characterized by delayed psychomotor development associated with cerebellar hypoplasia manifest as the molar tooth sign on brain imaging. Additional variable features include hypotonia, abnormal eye movements, and postaxial polydactyly (summary by Huppke et al., 2015).For a phenotypic description and a discussion of genetic heterogeneity of Joubert syndrome, see {213300}.

Related symptoms:

  • Global developmental delay
  • Generalized hypotonia
  • Ataxia
  • Nystagmus
  • Spasticity


SOURCES: OMIM MENDELIAN

More info about JOUBERT SYNDROME 24; JBTS24

Medium match MALONIC ACIDURIA

Malonic aciduria is a metabolic disorder caused by deficiency of malonyl-CoA decarboxylase (MCD).

MALONIC ACIDURIA Is also known as malonyl-coa decarboxylase deficiency

Related symptoms:

  • Seizures
  • Global developmental delay
  • Short stature
  • Generalized hypotonia
  • Failure to thrive


SOURCES: OMIM MESH ORPHANET MENDELIAN

More info about MALONIC ACIDURIA

Lissencephaly-8 is an autosomal recessive neurologic disorder characterized by delayed psychomotor development, intellectual disability with poor or absent speech, early-onset refractory seizures, and hypotonia. Brain imaging shows variable features, including cortical gyral abnormalities and hypoplasia of the corpus callosum, brainstem, and cerebellum (summary by Jerber et al., 2016).For a general description and a discussion of genetic heterogeneity lissencephaly, see LIS1 (OMIM ).

Related symptoms:

  • Intellectual disability
  • Seizures
  • Global developmental delay
  • Generalized hypotonia
  • Microcephaly


SOURCES: OMIM MENDELIAN

More info about LISSENCEPHALY 8; LIS8

Complex cortical dysplasia with other brain malformations-7 is an autosomal dominant, clinically heterogeneous disorder showing a wide spectrum of abnormalities of cortical brain development. The most severely affected patients are fetuses with microlissencephaly, absence of the cortical plate, agenesis of the corpus callosum, and severely hypoplastic brainstem and cerebellum. Other patients have lissencephaly, polymicrogyria, cortical dysplasia, or neuronal heterotopia. Those with less severe malformations can survive, but usually have some degree of neurologic impairment, such as mental retardation, seizures, and movement abnormalities (summary by Chang et al., 2006; Fallet-Bianco et al., 2014).For a discussion of genetic heterogeneity of CDCBM, see CDCBM1 (OMIM ).

POLYMICROGYRIA DUE TO TUBB2B MUTATION Is also known as polymicrogyria, symmetric or asymmetric|pmgysa

Related symptoms:

  • Intellectual disability
  • Seizures
  • Global developmental delay
  • Generalized hypotonia
  • Microcephaly


SOURCES: OMIM ORPHANET MENDELIAN

More info about POLYMICROGYRIA DUE TO TUBB2B MUTATION

Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A) is an autosomal recessive disorder with congenital muscular dystrophy resulting in muscle weakness early in life and brain and eye anomalies. It is usually associated with delayed psychomotor development and shortened life expectancy. The phenotype includes the alternative clinical designations Walker-Warburg syndrome (WWS) and muscle-eye-brain disease (MEB). The disorder represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1 ), collectively known as 'dystroglycanopathies' (summary by Stevens et al., 2013).For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (OMIM ).

MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 11; MDDGA11 Is also known as walker-warburg syndrome or muscle-eye-brain disease, b3galnt2-related

Related symptoms:

  • Global developmental delay
  • Generalized hypotonia
  • Muscle weakness
  • Cataract
  • Spasticity


SOURCES: OMIM MENDELIAN

More info about MUSCULAR DYSTROPHY-DYSTROGLYCANOPATHY (CONGENITAL WITH BRAIN AND EYE ANOMALIES), TYPE A, 11; MDDGA11

ARX-related mental retardation is a form of nonsyndromic X-linked mental retardation. It is part of a phenotypic spectrum of disorders caused by mutation in the ARX gene comprising a nearly continuous series of developmental disorders ranging from lissencephaly (LISX2 ) to Proud syndrome (OMIM ) to infantile spasms without brain malformations (EIEE1 ) to Partington syndrome (OMIM ) (Kato et al., 2004; Wallerstein et al., 2008).

MENTAL RETARDATION, X-LINKED, WITH OR WITHOUT SEIZURES, ARX-RELATED; MRXARX Is also known as mrx32|mrx38|mental retardation, x-linked 76|mental retardation, x-linked 38|mental retardation, x-linked 29|mrx54|mrx76|mental retardation, x-linked 32|mrx43|mrx29|mental retardation, x-linked 54|mental retardation, x-linked 33|mrx33|mental retardation, x

Related symptoms:

  • Intellectual disability
  • Seizures
  • Generalized hypotonia
  • Hearing impairment
  • Cognitive impairment


SOURCES: MESH OMIM MENDELIAN

More info about MENTAL RETARDATION, X-LINKED, WITH OR WITHOUT SEIZURES, ARX-RELATED; MRXARX

Top 5 symptoms//phenotypes associated to Generalized hypotonia and Lissencephaly

Symptoms // Phenotype % cases
Seizures Common - Between 50% and 80% cases
Global developmental delay Common - Between 50% and 80% cases
Cerebellar hypoplasia Common - Between 50% and 80% cases
Pachygyria Common - Between 50% and 80% cases
Intellectual disability Uncommon - Between 30% and 50% cases

Other less frequent symptoms

Patients with Generalized hypotonia and Lissencephaly. may also develop some of the following symptoms:

Uncommon Symptoms - Between 30% and 50% cases

Spasticity Polymicrogyria Microcephaly Hypoplasia of the brainstem Hypoplasia of the corpus callosum Ventriculomegaly Muscular hypotonia of the trunk Type II lissencephaly Cognitive impairment Microphthalmia Heterotopia

Rare Symptoms - Less than 30% cases

Febrile seizures Elevated serum creatine phosphokinase Hypoplasia of the pons Talipes equinovarus Absent speech Encephalocele Cataract Abnormality of the eye Focal-onset seizure Congenital muscular dystrophy Hyperreflexia Postnatal microcephaly Ataxia Hydrocephalus Muscular dystrophy Tetraplegia Cortical dysplasia Obesity Motor delay Ptosis Abnormal myelination Infantile spasms Delayed ability to walk Occipital encephalocele Generalized myoclonic seizures Long palpebral fissure Myopathy Optic atrophy Episodic vomiting Chronic constipation Ketosis Poor appetite Hyperammonemia Recurrent urinary tract infections Metabolic acidosis Cerebellar atrophy Agenesis of corpus callosum Thick lower lip vermilion Blindness Hearing impairment Cerebellar cyst Cerebellar dysplasia Optic nerve hypoplasia Babinski sign Dementia Leukoencephalopathy Pes planus Severe muscular hypotonia Retinal detachment Hypertrophic cardiomyopathy Macrocephaly Urinary incontinence Myopia Muscle weakness Frontoparietal cortical dysplasia Unilateral polymicrogyria Limited extraocular movements Congenital fibrosis of extraocular muscles Hemianopia Drooling Hemiparesis Specific learning disability Lactic acidosis Mutism Hypoglycemia Strabismus Abnormality of neuronal migration Focal impaired awareness seizure Spastic tetraparesis Absence seizures Cerebellar vermis hypoplasia Sepsis Abnormal cerebellum morphology Abnormality of the cerebral white matter Myoclonus Abnormal facial shape Generalized neonatal hypotonia Mild global developmental delay Colpocephaly Epiphyseal stippling Renal cyst Severe global developmental delay Feeding difficulties in infancy Wide nasal bridge Hepatomegaly Spastic tetraplegia Retinal dysplasia Intellectual disability, profound Progressive spasticity Agyria Acidosis Agenesis of cerebellar vermis Abdominal pain Constipation Diarrhea Vomiting Cardiomyopathy Feeding difficulties Pain Muscular hypotonia Failure to thrive Short stature Abnormality of digit Perivascular spaces Molar tooth sign on MRI Postaxial hand polydactyly Postaxial polydactyly Dysmetria Talipes Abnormality of eye movement Hypermetropia Polydactyly Gait disturbance Nystagmus Type I lissencephaly Periorbital fullness


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