Pentasomy X

Pentasomy X is a sex chromosome anomaly caused by the presence of three extra X chromosomes in females (49,XXXXX instead of 46,XX).



Input patient's signs and symptoms


Narrow down the case reports



Total: 17 (papers)

  


(per page)
Matched Phenotype  Gene  Mutation  MeSH
Rank
(Similarity)
PMID
(PMCID)
1
(75.3%)
1887850
Penta X syndrome: a case report with review of the literature.
Kassai R, Hamada I, Furuta H, Cho K, Abe K, Deng HX, Niikawa N.
Am J Med Genet. 1991;40(1):51-6.
Epicanthus Long philtrum Small hand
TPPP3
Adult Chromosome Banding Females Homo sapiens Infant Male Maternal Age Paternal Age Sex Chromosome Aberrations Syndrome X Chromosome
2
(65.5%)
6773908
[A new case of pentasomy X].
Schroeter C, Jahrig K, Weinke I.
Helv Paediatr Acta. 1980;35(3):233-41.
Epicanthus Hemiatrophy
Chromosome Aberrations Eye Abnormalities Facial Hemiatrophy Females Homo sapiens Infant Intellectual Disability Psychomotor Disorders Sex Chromosomes X Chromosome
3
(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
4
(57.8%)
26929910
(4768830)
Report of a new case with pentasomy X and novel clinical findings.
Demirhan O, Tanriverdi N, Yilmaz MB, Kocaturk-Sel S, Inandiklioglu N, Luleyap U, Akbal E, Comertpay G, Tufan T, Dur O.
Balkan J Med Genet. 2015;18(1):85-92.
Microcephaly Micrognathia
5
(53.2%)
7246603
Pentasomy X: report of patient and studies of X-inactivation.
Funderburk SJ, Valente M, Klisak I.
Am J Med Genet. 1981;8(1):27-33.
Microcephaly Finger clinodactyly
Aneuploidy Child, Preschool Females Homo sapiens Intellectual Disability Joints Microcephaly Phenotype Sex Chromosome Aberrations Sex Chromosomes Syndrome X Chromosome
6
(52.1%)
525347
The 49XXXXX syndrome. Report of a case with 48XXXX/49XXXXX mosaicism.
Cirillo Silengo M, Davi GF, Franceschini P.
Acta Paediatr Scand. 1979;68(5):769-71.
Clinodactyly Slanting of the palpebral fissure
Bone Diseases, Developmental Females Growth Disorders Homo sapiens Infant Intellectual Disability Mosaicism Polyploidy Sex Chromosome Aberrations Sex Chromosomes X Chromosome
7
(50.6%)
15333671
A case of 49,XXXXX in which the extra X chromosomes were maternal in origin.
Cho YG, Kim DS, Lee HS, Cho SC, Choi SI.
J Clin Pathol. 2004;57(9):1004-6.
Hydrocephalus Radioulnar synostosis Small hand
Chromosomes, Human, X Cytogenetics Females Genetic Markers Homo sapiens Infant Sex Chromosome Disorders Short Tandem Repeat
8
(39.7%)
8284294
On the parental origin of the X's in a prenatally diagnosed 49,XXXXX syndrome.
Martini G, Carillo G, Catizone F, Notarangelo A, Mingarelli R, Dallapiccola B.
Prenat Diagn. 1993;13(8):763-6.
Radioulnar synostosis
Adult Amniotic Fluid Aneuploidy Cultured Cells Females Homo sapiens Male Pregnancy Pregnancy Trimester, Second Syndrome Ultrasonography, Prenatal X Chromosome
9
(39.0%)
7576173
Dandy-Walker malformation in a fetus with pentasomy X (49,XXXXX) prenatally diagnosed by fluorescence in situ hybridization technique.
Myles TD, Burd L, Font G, McCorquodale MM, McCorquodale DJ.
Fetal Diagn Ther. 1995;10(5):333-36.
Dandy-Walker malformation
Adult Aneuploidy Dandy-Walker Syndrome Females Fluorescent in Situ Hybridization Homo sapiens Hydrocephalus Polyhydramnios Pregnancy Ultrasonography, Prenatal X Chromosome
10
(33.8%)
539601
Pentasomy X with multiple dislocations.
Dryer RF, Patil SR, Zellweger HU, Simpson JM, Hanson JW, Aschenbrenner C, Weinstein SL.
Am J Med Genet. 1979;4(4):313-21.
Elbow dislocation
Child Differential Diagnosis Females Homo sapiens Intellectual Disability Sex Chromosome Aberrations Shoulder Dislocation Syndrome X Chromosome
        

Phenotype(s) retrieved from Orphanet

    Total: 22

HPO ID Term Frequency
HP:0000368 Low-set, posteriorly rotated ears Very frequent (99-80%)
HP:0001252 Muscular hypotonia Very frequent (99-80%)
HP:0000252 Microcephaly Frequent (79-30%)
HP:0000316 Hypertelorism Frequent (79-30%)
HP:0000347 Micrognathia Frequent (79-30%)
HP:0000431 Wide nasal bridge Frequent (79-30%)
HP:0000486 Strabismus Frequent (79-30%)
HP:0000582 Upslanted palpebral fissure Frequent (79-30%)
HP:0001249 Intellectual disability Frequent (79-30%)
HP:0001263 Global developmental delay Frequent (79-30%)
HP:0001357 Plagiocephaly Frequent (79-30%)
HP:0001773 Short foot Frequent (79-30%)
HP:0002974 Radioulnar synostosis Frequent (79-30%)
HP:0004209 Clinodactyly of the 5th finger Frequent (79-30%)
HP:0004322 Short stature Frequent (79-30%)
HP:0100490 Camptodactyly of finger Frequent (79-30%)
HP:0200055 Small hand Frequent (79-30%)
HP:0000823 Delayed puberty Occasional (29-5%)
HP:0001385 Hip dysplasia Occasional (29-5%)
HP:0001643 Patent ductus arteriosus Occasional (29-5%)
HP:0001671 Abnormal cardiac septum morphology Occasional (29-5%)
HP:0010978 Abnormality of immune system physiology Occasional (29-5%)


Phenotype(s) retrieved from case reports

    Total: 5

HPO ID Term # of case reports
HP:0000786 Primary amenorrhea 1
HP:0000819 Diabetes mellitus 1
HP:0001305 Dandy-Walker malformation 1
HP:0003042 Elbow dislocation 1
HP:0025356 Psychomotor retardation 1


Causative gene(s) retrieved from Orphanet

    Total: 0

Gene Symbol Gene Name Entrez Gene ID