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eRAM

encyclopedia of Rare Disease Annotation for Precision Medicine



   megalencephaly
  

Disease ID 520
Disease megalencephaly
Definition
A congenital abnormality in which the occipitofrontal circumference is greater than two standard deviations above the mean for a given age. It is associated with HYDROCEPHALUS; SUBDURAL EFFUSION; ARACHNOID CYSTS; or is part of a genetic condition (e.g., ALEXANDER DISEASE; SOTOS SYNDROME).
Synonym
macrencephaly
macrocephalies
macrocephalus
macrocephaly
macrocephaly (disorder)
macrocrania
macroencephaly
megacephalies
megacephaly
megalencephalies
megalencephaly [disease/finding]
megalocephalies
megalocephaly
Orphanet
DOID
ICD10
UMLS
C0221355
MeSH
SNOMED-CT
Comorbidity
UMLS | Disease | Sentences' Count(Total Sentences:20)
C0004352  |  autism  |  9
C0020255  |  hydrocephalus  |  4
C0014544  |  epilepsy  |  2
C0085113  |  neurofibromatosis  |  1
C0040188  |  tic disorders  |  1
C0021359  |  infertility  |  1
C0026760  |  multiple epiphyseal dysplasia  |  1
C0398791  |  nijmegen breakage syndrome  |  1
C0025362  |  mental retardation  |  1
C0018552  |  hamartomatous  |  1
C0221355  |  macrocephaly  |  1
C0265338  |  coffin-siris syndrome  |  1
C0270612  |  leukoencephalopathy  |  1
C0018784  |  sensorineural hearing loss  |  1
C0265292  |  craniometaphyseal dysplasia  |  1
C0151740  |  raised intracranial pressure  |  1
C0751265  |  learning disabilities  |  1
C0265294  |  metaphyseal dysplasia  |  1
C0410528  |  skeletal dysplasia  |  1
C0009451  |  communicating hydrocephalus  |  1
Curated Gene
Entrez_id | Symbol | Resource(Total Genes:1)
57680  |  CHD8  |  CTD_human
Inferring Gene(Waiting for update.)
Text Mined Gene(Waiting for update.)
Locus(Waiting for update.)
Disease ID 520
Disease megalencephaly
Integrated Phenotype
HPO | Name(Total Integrated Phenotypes:18)
HP:0000053  |  Macroorchidism
HP:0000470  |  Short neck
HP:0000490  |  Deeply set eye
HP:0000256  |  Macrocephaly
HP:0000269  |  Prominent occiput
HP:0002007  |  Frontal bossing
HP:0001355  |  Macrencephaly
HP:0000307  |  Pointed chin
HP:0002750  |  Delayed skeletal maturation
HP:0000431  |  Wide nasal bridge
HP:0000235  |  Abnormality of the fontanelles or cranial sutures
HP:0001956  |  Truncal obesity
HP:0000040  |  Long penis
HP:0002857  |  Genu valgum
HP:0000268  |  Dolichocephaly
HP:0001631  |  Atrial septal defect
HP:0001249  |  Mental retardation
HP:0001249  |  Intellectual disability
Text Mined Phenotype
HPO | Name | Sentences' Count(Total Phenotypes:58)
HP:0000717  |  Autism  |  9
HP:0002007  |  Frontal protruberance  |  7
HP:0000238  |  Nonsyndromal hydrocephalus  |  4
HP:0001631  |  Atria septal defect  |  3
HP:0001548  |  Overgrowth  |  3
HP:0011220  |  Prominent forehead  |  3
HP:0001263  |  Developmental retardation  |  2
HP:0030049  |  Brain abscess  |  2
HP:0000256  |  Macrocrania  |  2
HP:0002415  |  Degeneration of white matter of brain  |  2
HP:0002353  |  Abnormal EEG  |  2
HP:0000098  |  Increased body height  |  2
HP:0004322  |  Stature below 3rd percentile  |  2
HP:0000803  |  Cortical cysts  |  1
HP:0000324  |  Asymmetry of face  |  1
HP:0001252  |  Hypotonia  |  1
HP:0002654  |  Multiple epiphyseal dysplasia  |  1
HP:0004440  |  Craniosynostosis of coronal suture  |  1
HP:0001270  |  Motor retardation  |  1
HP:0001298  |  Encephalopathy  |  1
HP:0008947  |  Hypotonia early  |  1
HP:0000280  |  Coarse facial features  |  1
HP:0011800  |  Midface, flat  |  1
HP:0003508  |  Short stature, proportionate  |  1
HP:0002079  |  Hypoplasia of the corpus callosum  |  1
HP:0005266  |  Intestinal polyp  |  1
HP:0000470  |  Decreased cervical height  |  1
HP:0000274  |  Hypoplasia of face  |  1
HP:0002126  |  Polymicrogyria  |  1
HP:0001250  |  Seizures  |  1
HP:0000268  |  Dolichocephaly  |  1
HP:0006994  |  Diffuse leukoencephalopathy  |  1
HP:0002170  |  Intracranial hemorrhage  |  1
HP:0100555  |  Asymmetric growth  |  1
HP:0000407  |  sensorineural hearing loss  |  1
HP:0100033  |  Tic disorder  |  1
HP:0001067  |  Neurofibromas  |  1
HP:0001638  |  Cardiomyopathy  |  1
HP:0001176  |  large hand  |  1
HP:0008589  |  Underdeveloped helices  |  1
HP:0002352  |  Leukoencephalopathy  |  1
HP:0002652  |  Skeletal dysplasia  |  1
HP:0012864  |  Teratospermia  |  1
HP:0003498  |  Disproportionate short stature  |  1
HP:0030048  |  Colpocephaly  |  1
HP:0001510  |  Growth deficiency  |  1
HP:0005280  |  Flat, nasal bridge  |  1
HP:0001334  |  Communicating hydrocephalus  |  1
HP:0000400  |  Large ears  |  1
HP:0002656  |  Epiphyseal dysplasia  |  1
HP:0000325  |  Triangular face  |  1
HP:0000520  |  Anterior bulging of the globe of eye  |  1
HP:0100255  |  Metaphyseal dysplasia  |  1
HP:0001249  |  Mental retardation  |  1
HP:0000789  |  Infertility  |  1
HP:0001999  |  Facial dysmorphism  |  1
HP:0008897  |  Growth retardation as children  |  1
HP:0002013  |  Emesis  |  1
Disease ID 520
Disease megalencephaly
Manually Symptom
UMLS  | Name(Total Manually Symptoms:2)
C0242422  |  parkinsonism
C0023801  |  lipomatosis
Text Mined Symptom
UMLS | Name | Sentences' Count(Total Symptoms:2)
C0004352  |  autism  |  9
C0040188  |  tic disorders  |  1
Manually Genotype(Total Text Mining Genotypes:0)
(Waiting for update.)
Text Mining Genotype(Total Genotypes:0)
(Waiting for update.)
All Snps(Total Genotypes:1)
snpId pubmedId geneId geneSymbol diseaseId sourceId sentence score Year geneSymbol_dbSNP CHROMOSOME POS REF ALT
rs121908671159403804041LRP5umls:C0221355BeFreeA missense mutation 640G-->A (A214T) in the low-density lipoprotein receptor-related protein 5 (LRP5) gene was found in all affected individuals analyzed, including cases in whom craniosynostosis, a mild developmental delay, and/or macrocephaly is observed.0.0002714422005LRP51168357801GA
GWASdb Annotation(Total Genotypes:0)
(Waiting for update.)
GWASdb Snp Trait(Total Genotypes:0)
(Waiting for update.)
Mapped by lexical matching(Total Items:8)
HP ID HP Name MP ID MP Name Annotation
HP:0000431Wide nasal bridgeMP:0006292abnormal nasal placode morphologyany structural anomaly in the paired ectodermal placodes that come to lie in the bottom of the olfactory pits as the pits are deepened by the growth of the surrounding medial and lateral nasal processes; the nasal placode gives rise to the olfactory epith
HP:0000490Deeply set eyeMP:0009829enlarged eye anterior chamberincreased size of the space in the eye, filled with aqueous humor, and bounded anteriorly by the cornea and a small portion of the sclera and posteriorly by a small portion of the ciliary body, the iris, and part of the crystalline lens
HP:0000470Short neckMP:0012720elongated neckincreased length of the neck
HP:0000235Abnormality of the fontanelles or cranial suturesMP:0020010decreased bone mineral density of femurreduction in the quatitative measurment value of mineral content of bone in the long bone of the thigh
HP:0001631Atria septal defectMP:0011667double outlet right ventricle with atrioventricular septal defecta form of DORV in which there is also a complete atrioventricular canal
HP:0000040Long penisMP:0005188small penisreduced size of the organ of copulation and urination in the male
HP:0001956Truncal obesityMP:0005659decreased susceptibility to diet-induced obesityless likely to become excessively overweight or to increase fat in the subcutaneous connective tissue as a result of consuming a diet geared to increase body fat
HP:0002750Delayed skeletal maturationMP:0003379absent sexual maturationfailure to initiate pubertal changes that result in achievement of full sexual capacity
Mapped by homologous gene(Total Items:17)
HP ID HP Name MP ID MP Name Annotation
HP:0001355MegalencephalyMP:0020039increased bone ossificationincrease in the formation of bone or of a bony substance, or the conversion of fibrous tissue or of cartilage into bone or a bony substance
HP:0000269Prominent occiputMP:0020137decreased bone mineralizationdecrease in the rate at which minerals are deposited into bone
HP:0000053MacroorchidismMP:0020309increased creatine kinase activityincreased ability of to catalyze the reaction: ATP + creatine = N-phosphocreatine + ADP + 2 H(+).
HP:0000268DolichocephalyMP:0020309increased creatine kinase activityincreased ability of to catalyze the reaction: ATP + creatine = N-phosphocreatine + ADP + 2 H(+).
HP:0000490Deeply set eyeMP:0020157abnormal behavioral response to alcoholany anomaly in the behavioral response induced by alcohol, such as induced hyperactivity or stereotypic behavior
HP:0000470Short neckMP:0020137decreased bone mineralizationdecrease in the rate at which minerals are deposited into bone
HP:0002750Delayed skeletal maturationMP:0020169increased thyroid gland weighthigher than average weight of the thyroid gland
HP:0000040Long penisMP:0014193decreased epididymal cell proliferationdecrease in the expansion rate of any epididymal cell population by cell division
HP:0000256MacrocephalyMP:0020309increased creatine kinase activityincreased ability of to catalyze the reaction: ATP + creatine = N-phosphocreatine + ADP + 2 H(+).
HP:0001631Atria septal defectMP:0020137decreased bone mineralizationdecrease in the rate at which minerals are deposited into bone
HP:0001249Intellectual disabilityMP:0020316decreased vascular endothelial cell proliferationdecrease in the expansion rate of any vascular endothelial cell population by cell division
HP:0002857Genu valgumMP:0020254decreased collagen leveldecreased level of the main structural protein of the various connective tissues in animals
HP:0002007Frontal bossingMP:3000003abnormal Ebner's gland morphologyany structural anomaly of the serous salivary glands which reside adjacent to the moats surrounding the circumvallate and foliate papillae just anterior to the posterior third of the tongue, anterior to the terminal sulcus; these exocrine glands secrete l
HP:0000235Abnormality of the fontanelles or cranial suturesMP:0020169increased thyroid gland weighthigher than average weight of the thyroid gland
HP:0001956Truncal obesityMP:0014169decreased brown adipose tissue massdecreased physical bulk or volume of brown adipose tissue
HP:0000431Wide nasal bridgeMP:0020137decreased bone mineralizationdecrease in the rate at which minerals are deposited into bone
HP:0000307Pointed chinMP:0014178increased brain apoptosisincrease in the number of cells of the brain undergoing programmed cell death
Disease ID 520
Disease megalencephaly
Case(Waiting for update.)