raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:96125

Distal deletion 6p syndrome

Synonyms: 6p subtelomeric deletion syndrome · 6p25 microdeletion syndrome · Distal deletion 6p25 · Monosomy 6p25 · Monosomy 6pter

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable, Unknown
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Distal monosomy 6p is responsible for a distinct chromosome deletion syndrome with a recognizable clinical picture including intellectual deficit, ocular abnormalities, hearing loss, and facial dysmorphism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enDistal deletion 6p syndrome6p subtelomeric deletion syndrome · 6p25 microdeletion syndrome · Distal deletion 6p25 · Monosomy 6p25 · Monosomy 6pter
frSyndrome de délétion distale 6pDélétion distale 6p25 · Monosomie 6p25 · Monosomie 6pter · Monosomie distale 6p · Syndrome de délétion subtélomérique 6p · Syndrome de microdélétion 6p25
deDistale Deletion 6p6p subtelomeres Deletionssyndrom · Deletion 6p, distale · Distale Deletion 6p25 · Mikrodeletionssyndrom 6p25 · Monosomie 6p25 · Monosomie 6pter
esSíndrome de deleción terminal 6pDeleción terminal 6p25 · Monosomía 6p25 · Monosomía 6pter · Síndrome de deleción subtelomérica 6p · Síndrome de microdeleción 6p25
itSindrome delezione 6p distaleDelezione 6p25 distale · Monosomia 6p25 · Monosomia 6pter · Sindrome da delezione 6p subtelomerica · Sindrome da microdelezione 6p25
nlDistale deletie 6p-syndroom6p25-microdeletiesyndroom · Distale deletie 6p25 · Monosomie 6p25 · Monosomie 6pter · Subtelomerische 6p-deletiesyndroom
ptDeleção distal 6pDeleção distal 6p25 · Monossomia 6p25 · Monossomia 6pter · Síndrome de deleção subtelomérica 6p · Síndrome de microdeleção 6p25
plZespół delecji dystalnej 6pDelecja dystalna 6p · Monosomia 6p25 · Zespół delecji subtelomerowej 6p · Zespół mikrodelecji 6p25 · Delecja telomerowa 6p
csDistální monozomie 6pSyndrom subtelomerické delece 6p · Distální delece 6p · Monozomie 6p25 · Mikrodeleční syndrom 6p25
ukДистальна делеція 6pСиндром субтеломерної делеції 6p · Синдром мікроделеції 6p25 · Дистальна делеція 6p25 · Моносомія 6p25 · Моносомія 6pter
zh6号染色体短臂远端单体6号染色体短臂亚端粒微缺失综合征
trDistal monozomi 6pMonozomi 6p25 · Distal delesyon 6p · 6p25 mikrodelesyon sendromu · 6p subtelomerik delesyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612582Evalidated
ICD-10Q93.5NTBTattributedvalidated
ICD-11LD44.61NTBTindexvalidated
MONDO0012948Evalidated
MONDO12948Evalidated
UMLSC4305276Evalidated

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 (5):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families35 casesWorldwideCase(s)Validated23686687[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

39 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000593Abnormal anterior chamber morphology
HP:0000750Delayed speech and language development
HP:0001263Global developmental delay
HP:0000316Hypertelorism
HP:0001256Intellectual disability, mild
HP:0000369Low-set ears
Frequent (79-30%)
HP:0000164Abnormality of the dentition
HP:0011483Anterior synechiae of the anterior chamber
HP:0000463Anteverted nares
HP:0001631Atrial septal defect
HP:0000337Broad forehead
HP:0004209Clinodactyly of the 5th finger
HP:0007957Corneal opacity
HP:0005280Depressed nasal bridge
HP:0000494Downslanted palpebral fissures
HP:0002714Downturned corners of mouth
HP:0000286Epicanthus
HP:0000501Glaucoma
HP:0000365Hearing impairment
HP:0008499High hypermetropia
HP:0007676Hypoplasia of the iris
HP:0000272Malar flattening
HP:0000627Posterior embryotoxon
HP:0000322Short philtrum
HP:0000319Smooth philtrum
HP:0000486Strabismus
HP:0000430Underdeveloped nasal alae
HP:0000445Wide nose
Occasional (29-5%)
HP:0005930Abnormality of epiphysis morphology
HP:0009918Ectopia pupillae
HP:0000347Micrognathia
HP:0000202Orofacial cleft
HP:0002650Scoliosis
HP:0100716Self-injurious behavior
HP:0001773Short foot
HP:0004279Short palm
HP:0001762Talipes equinovarus
HP:0002119Ventriculomegaly
HP:0003422Vertebral segmentation defect

Run the differential on the 6 obligate / very frequent terms

Annotation source: 25817395[PMID]_15578619[PMID]

7

Sources for this card