4q21 microdeletion syndrome

The 4q21 microdeletion syndrome is a newly described syndrome associated with facial dysmorphism, progressive growth restriction, severe intellectual deficit and absent or severely delayed speech.



Input patient's signs and symptoms


Narrow down the case reports



Total: 7 (papers)

  


(per page)
Matched Phenotype  Gene  Mutation  MeSH
Rank
(Similarity)
PMID
(PMCID)
1
(70.8%)
25774221
(4359765)
Phenotypic variability in a Hungarian patient with the 4q21 microdeletion syndrome.
Komlosi K, Duga B, Hadzsiev K, Czako M, Kosztolanyi G, Fogarasi A, Melegh B.
Mol Cytogenet. 2015;8:16.
Short philtrum Small hand
2
(66.9%)
15953406
Polycystic kidneys and del (4)(q21.1q21.3): further delineation of a distinct phenotype.
Velinov M, Kupferman J, Gu H, Macera MJ, Babu A, Jenkins EC, Kupchik G.
Eur J Med Genet. 2005;48(1):51-5.
Frontal bossing Short finger
PKD2
Child, Preschool Chromosome Deletion Chromosomes, Human, Pair 4 Craniofacial Abnormalities Developmental Disabilities Fingers Fluorescent in Situ Hybridization Homo sapiens Male Membrane Proteins Phenotype Polycystic Kidney Diseases TRPP Cation Channels
3
(63.4%)
9677069
Interstitial deletion of the long arm of chromosome 4 [del(4)(q21.22q23)] and a liver tumor.
Suwa K, Momoi MY, Yamagata T, Mori Y.
Am J Med Genet. 1998;78(3):291-3.
Micrognathia Overlapping fingers
AFP
Birth Weight Chromosome Deletion Chromosomes, Human, Pair 4 Congenital Heart Defects Homo sapiens Hypospadias Infant Japan Male Nose Polydactyly Psychomotor Performance
4
(40.2%)
27288323
A de novo microtriplication at 4q21.21-q21.22 in a patient with a vascular malignant hemangioma, elongated sigmoid colon, developmental delay, and absence of speech.
Lebedev IN, Nazarenko LP, Skryabin NA, Babushkina NP, Kashevarova AA.
Am J Med Genet A. 2016;170(8):2089-96.
Macrocephaly Broad forehead
BMP3 ENOPH1 HNRNPD HNRNPDL LINC00575 PRKG2 RASGEF1B SCD5 TMEM150C
Child, Preschool Chromosome Banding Chromosome Deletion Chromosomes, Human, Pair 4 DNA Copy Number Variations Developmental Disabilities Facies Females Genetic Association Studies Hemangioma Homo sapiens Phenotype Speech Disorders Syndrome Trisomy
5
(4.0%)
27604828
Further defining the critical genes for the 4q21 microdeletion disorder.
Hu X, Chen X, Wu B, Soler IM, Chen S, Shen Y.
Am J Med Genet A. 2017;173(1):120-125.
Intellectual disability
HNRNPD HNRNPDL PRKG2 RASGEF1B
Alleles Child Child, Preschool Chromosome Deletion Chromosomes, Human, Pair 4 Females Genetic Association Studies Genotype Homo sapiens Male Phenotype
5
(4.0%)
22903878
Life-history chronicle for a patient with the recently described chromosome 4q21 microdeletion syndrome.
Tsang E, Rupps R, McGillivray B, Eydoux P, Marra M, Arbour L, Langlois S, Friedman JM, Zahir FR.
Am J Med Genet A. 2012;158A(10):2606-9.
Intellectual disability
PRKG2 RASGEF1B
Adult Chromosome Deletion Chromosomes, Human, Pair 4 Developmental Disabilities Fatal Outcome Females Homo sapiens Intellectual Disability Phenotype Syndrome Young Adult
5
(4.0%)
11568928
An 8-cM interstitial deletion on 4q21-q22 in DNA from an infant with hepatoblastoma overlaps with a commonly deleted region in adult liver cancers.
Terada Y, Imoto I, Nagai H, Suwa K, Momoi M, Tajiri T, Onda M, Inazawa J, Emi M.
Am J Med Genet. 2001;103(2):176-80.
Seizure
AFP
Adult Chromosome Banding Chromosome Deletion Chromosomes, Human, Pair 4 DNA, Neoplasm Fatal Outcome Fluorescent in Situ Hybridization Hepatoblastoma Homo sapiens Infant Male Short Tandem Repeat
        

Phenotype(s) retrieved from Orphanet

    Total: 42

HPO ID Term Frequency
HP:0000750 Delayed speech and language development Very frequent (99-80%)
HP:0001252 Muscular hypotonia Very frequent (99-80%)
HP:0001263 Global developmental delay Very frequent (99-80%)
HP:0001510 Growth delay Very frequent (99-80%)
HP:0010864 Intellectual disability, severe Very frequent (99-80%)
HP:0011344 Severe global developmental delay Very frequent (99-80%)
HP:0000293 Full cheeks Frequent (79-30%)
HP:0000316 Hypertelorism Frequent (79-30%)
HP:0000322 Short philtrum Frequent (79-30%)
HP:0000337 Broad forehead Frequent (79-30%)
HP:0000369 Low-set ears Frequent (79-30%)
HP:0000470 Short neck Frequent (79-30%)
HP:0001773 Short foot Frequent (79-30%)
HP:0002007 Frontal bossing Frequent (79-30%)
HP:0002983 Micromelia Frequent (79-30%)
HP:0004279 Short palm Frequent (79-30%)
HP:0005280 Depressed nasal bridge Frequent (79-30%)
HP:0200055 Small hand Frequent (79-30%)
HP:0000164 Abnormality of the dentition Occasional (29-5%)
HP:0000233 Thin vermilion border Occasional (29-5%)
HP:0000239 Large fontanelles Occasional (29-5%)
HP:0000348 High forehead Occasional (29-5%)
HP:0000365 Hearing impairment Occasional (29-5%)
HP:0000486 Strabismus Occasional (29-5%)
HP:0000508 Ptosis Occasional (29-5%)
HP:0000527 Long eyelashes Occasional (29-5%)
HP:0000664 Synophrys Occasional (29-5%)
HP:0000717 Autism Occasional (29-5%)
HP:0000733 Stereotypy Occasional (29-5%)
HP:0001250 Seizures Occasional (29-5%)
HP:0001274 Agenesis of corpus callosum Occasional (29-5%)
HP:0001321 Cerebellar hypoplasia Occasional (29-5%)
HP:0001337 Tremor Occasional (29-5%)
HP:0001511 Intrauterine growth retardation Occasional (29-5%)
HP:0001770 Toe syndactyly Occasional (29-5%)
HP:0002119 Ventriculomegaly Occasional (29-5%)
HP:0002230 Generalized hirsutism Occasional (29-5%)
HP:0002360 Sleep disturbance Occasional (29-5%)
HP:0002650 Scoliosis Occasional (29-5%)
HP:0002714 Downturned corners of mouth Occasional (29-5%)
HP:0002808 Kyphosis Occasional (29-5%)
HP:0100716 Self-injurious behavior Occasional (29-5%)


Phenotype(s) retrieved from case reports

    Total: 1

HPO ID Term # of case reports
HP:0001249 Intellectual disability 2


Causative gene(s) retrieved from Orphanet

    Total: 0

Gene Symbol Gene Name Entrez Gene ID