Tetrasomy X

Tetrasomy X is a sex chromosome anomaly caused by the presence of two extra X chromosomes in females (48,XXXX instead of 46,XX).



Input patient's signs and symptoms


Narrow down the case reports



Total: 8 (papers)

  


(per page)
Matched Phenotype  Gene  Mutation  MeSH
Rank
(Similarity)
PMID
(PMCID)
1
(58.6%)
21654007
Mosaic pentasomy X/tetrasomy X syndrome and premature ovarian failure.
Wood A, Kleis L, Toriello H, Cemeroglu AP.
Indian Pediatr. 2011;48(5):402-4.
Facial asymmetry Long philtrum Scoliosis Cubitus valgus
Aneuploidy Chromosomes, Human, X Craniofacial Abnormalities Females Homo sapiens Intellectual Disability Ovarian Failure, Premature Phenotype Sex Chromosome Aberrations Sex Chromosome Disorders Syndrome
2
(52.1%)
8487481
[Tetra-X syndrome with epilepsy, mental retardation and multiple dysmorphias].
Fehlow P, Miosge W, Walther F.
Klin Padiatr. 1993;205(2):127-9.
Telecanthus Clinodactyly
Adult Females Homo sapiens Intellectual Disability Neurologic Examination Phenotype Sex Chromosome Aberrations Tonic-Clonic Epilepsy X Chromosome
3
(39.0%)
4035270
47,XXX/48,XXXX in a retarded three year old girl with multiple somatic anomalies.
Ioan D, Hirsovescu N, Dumitriu L, Belengeanu V, Museteanu P, Maximilian C.
Endocrinologie. 1985;23(2):121-4.
Dolichocephaly
Child, Preschool Females Homo sapiens Intellectual Disability Phenotype Sex Chromosome Aberrations Syndrome X Chromosome
4
(21.2%)
24221609
Premature ovarian failure due to tetrasomy X in an adolescent girl.
Kara C, Ustyol A, Ylmaz A, Altundag E, Ogur G.
Eur J Pediatr. 2014;173(12):1627-30.
Secondary amenorrhea Osteoporosis
HPRT1
Chromosomes, Human, X Craniofacial Abnormalities Females Homo sapiens Intellectual Disability Ovarian Failure, Premature Polymerase Chain Reaction Sex Chromosome Aberrations
5
(4.0%)
29744081
(5930223)
A case report of hypersomnia in tetrasomy X improved with medical therapy.
Jayaraman D, Carvalho KS, Hasbani DM.
Clin Case Rep. 2018;6(5):893-895.
Hypersomnia
5
(4.0%)
28500832
Combined pituitary hormone deficiency in a girl with 48, XXXX and Rathke's cleft cyst.
Uppal S, Jee YH, Lightbourne M, Han JC, Stratakis CA.
Hormones (Athens). 2017;16(1):92-98.
Decreased response to growth hormone stimuation test
Central Nervous System Cysts Child Craniofacial Abnormalities Females Homo sapiens Hypopituitarism Intellectual Disability Magnetic Resonance Imaging Pituitary Gland Pituitary Neoplasms Sex Chromosome Aberrations
5
(4.0%)
24012046
Female polysomy-X and systemic lupus erythematosus.
Slae M, Heshin-Bekenstein M, Simckes A, Heimer G, Engelhard D, Eisenstein EM.
Semin Arthritis Rheum. 2014;43(4):508-12.
Glomerulonephritis
Child Craniofacial Abnormalities Females Homo sapiens Intellectual Disability Lupus Erythematosus, Systemic Sex Chromosome Aberrations
5
(4.0%)
3041908
[The 48,XXXX syndrome: study of psychomotor development from birth to 11 years of age and review of the literature].
Plauchu H, Ollagnon-Roman E, Armand JP, Robert JM.
Ann Genet. 1988;31(2):105-10.
Hypertelorism
Child Females Homo sapiens Intellectual Disability Psychomotor Performance Sex Chromatin Sex Chromosome Aberrations
        

Phenotype(s) retrieved from Orphanet

    Total: 17

HPO ID Term Frequency
HP:0000164 Abnormality of the dentition Frequent (79-30%)
HP:0000286 Epicanthus Frequent (79-30%)
HP:0000316 Hypertelorism Frequent (79-30%)
HP:0000486 Strabismus Frequent (79-30%)
HP:0000582 Upslanted palpebral fissure Frequent (79-30%)
HP:0001252 Muscular hypotonia Frequent (79-30%)
HP:0001263 Global developmental delay Frequent (79-30%)
HP:0001328 Specific learning disability Frequent (79-30%)
HP:0002974 Radioulnar synostosis Frequent (79-30%)
HP:0005692 Joint hyperflexibility Frequent (79-30%)
HP:0100543 Cognitive impairment Frequent (79-30%)
HP:0001156 Brachydactyly Occasional (29-5%)
HP:0001385 Hip dysplasia Occasional (29-5%)
HP:0002564 obsolete Malformation of the heart and great vessels Occasional (29-5%)
HP:0004209 Clinodactyly of the 5th finger Occasional (29-5%)
HP:0010978 Abnormality of immune system physiology Occasional (29-5%)
HP:0100805 obsolete Precocious menopause Occasional (29-5%)


Phenotype(s) retrieved from case reports

    Total: 5

HPO ID Term # of case reports
HP:0000939 Osteoporosis 1
HP:0001249 Intellectual disability 1
HP:0001945 Fever 1
HP:0008209 Premature ovarian insufficiency 1
HP:0100786 Hypersomnia 1


Causative gene(s) retrieved from Orphanet

    Total: 0

Gene Symbol Gene Name Entrez Gene ID