raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2482

Melhem-Fahl syndrome

historical

Type
Malformation syndrome
Group
Disorder
Age of onset
Neonatal
Status
historical

A rare dysostosis characterized by the presence of fifteen dorsal vertebrae and rib pairs with a normal complement of lumbar vertebrae. Patients may also present with Hirschsprung's disease, membraneous imperforate anus with perineal fistula, cryptorchidism, high-arched palate, simian crease and absent nails. There have been no further descriptions in the literature since 1985.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMelhem-Fahl syndrome
frSyndrome de Melhem-Fahl
deMelhem-Fahl-Syndrom
esSíndrome de Melhem-Fahl
itSindrome di Melhem-Fahl
nlSyndroom van Melhem-Fahl
ptSíndrome Melhem-Fahl
plZespół Melhema i Fahla
csMelhemův-Fahlův syndromMelhem-Fahlův syndrom
ukСиндром Мельгема-Фаля
zhMelhem-Fahl综合征
trMelhem-Fahl sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q76.4NTBTattributedvalidated
ICD-11LD24.HNTBTindexvalidated
MONDO0016622Evalidated
MeSHC537238Evalidated
UMLSC2931453Evalidated
GARD3462Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated3969298[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3969298[PMID]

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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card