raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:357001

19p13.13 microdeletion syndrome

Synonyms: Del(19)(p13.13) · Monosomy 19p13.13

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Infancy, Neonatal
Status
active

A rare partial autosomal monosomy characterized by global developmental delay, moderate intellectual disability, macrocephaly, overgrowth, hypotonia, and facial dysmorphism (frontal bossing, down-slanting palpebral fissures). Other associated features variably include ataxia, seizures, ventriculomegaly, ocular abnormalities (strabismus, optic nerve hypoplasia) and gastrointestinal problems (abdominal pain, vomiting, constipation).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
en19p13.13 microdeletion syndromeDel(19)(p13.13) · Monosomy 19p13.13
frSyndrome de microdélétion 19p13.13Del(19)(p13.13) · Monosomie 19p13.13
deMikrodeletionssyndrom 19p13.13Del(19)(p13.13) · Monosomie 19p13.13
esSíndrome de microdeleción 19p13.13Del(19)(p13.13) · Monosomía 19p13.13
itSindrome da microdelezione 19p13.13Del(19)(p13.13) · Monosomia 19p13.13
nl19p13.13-microdeletiesyndroomDel(19)(p13.13) · Monosomie 19p13.13
ptSíndrome de microdeleção 19p13.13
plZespół mikrodelecji 19p13.13Del(19)(p13.13) · Monosomia 19p13.13
csMikrodeleční syndrom 19p13.13Del(19)(p13.13) · Monozomie 19p13.13
ukСиндром мікроделеції 19p13.13Del(19)(p13.13) · Моносомія 19p13.13
zh19p13.13微缺失综合征19p13.13单体
tr19p13.13 mikrodelesyon sendromuDel(19)(p13.13) · Monozomi 19p13.13

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613638Evalidated
ICD-10Q93.5NTBTattributedvalidated
MONDO0013336Evalidated
UMLSC3150894Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated23495138[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

47 annotations · validated 2019-10-29
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0000256Macrocephaly
HP:0011220Prominent forehead
Frequent (79-30%)
HP:0000463Anteverted nares
HP:0007018Attention deficit hyperactivity disorder
HP:0000494Downslanted palpebral fissures
HP:0012719Functional abnormality of the gastrointestinal tract
HP:0001263Global developmental delay
HP:0001249Intellectual disability
HP:0000276Long face
HP:0000767Pectus excavatum
HP:0000486Strabismus
Occasional (29-5%)
HP:0002027Abdominal pain
HP:0000248Brachycephaly
HP:0000957Cafe-au-lait spot
HP:0007099Chiari type I malformation
HP:0030084Clinodactyly
HP:0007371Corpus callosum atrophy
HP:0001869Deep plantar creases
HP:0000490Deeply set eye
HP:0005280Depressed nasal bridge
HP:0002014Diarrhea
HP:0000268Dolichocephaly
HP:0000286Epicanthus
HP:0011968Feeding difficulties
HP:0000218High palate
HP:0000316Hypertelorism
HP:0007333Hypoplasia of the frontal lobes
HP:0010880Increased nuchal translucency
HP:0000527Long eyelashes
HP:0100807Long fingers
HP:0000369Low-set ears
HP:0000158Macroglossia
HP:0000400Macrotia
HP:0000272Malar flattening
HP:0000160Narrow mouth
HP:0000639Nystagmus
HP:0000648Optic atrophy
HP:0000609Optic nerve hypoplasia
HP:0001763Pes planus
HP:0001852Sandal gap
HP:0001250Seizure
HP:0003196Short nose
HP:0000319Smooth philtrum
HP:0003396Syringomyelia
HP:0000219Thin upper lip vermilion
HP:0002013Vomiting

Run the differential on the 3 obligate / very frequent terms

Annotation source: 26338046[PMID]_20613546[PMID]

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Sources for this card