raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:85274

Ahmad syndrome

historical

Synonyms: Intellectual developmental disorder, X-linked, syndromic 7 · MRXS7 · X-linked intellectual disability, Ahmad type

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked recessive
Age of onset
No data available
Status
historical

A rare, X-linked syndromic intellectual disability disorder characterized by mild to moderate intellectual disability, obesity, hypogonadism, tapering fingers and microphallus with small or undescended testes, localized to Xp11.3-Xq23. Additional variable manifestations include alopecia, dental and eyesight anomalies, speech disabilities, and decreased body strength.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAhmad syndromeIntellectual developmental disorder, X-linked, syndromic 7 · MRXS7 · X-linked intellectual disability, Ahmad type
frSyndrome d'AhmadDéficience intellectuelle liée à l'X type Ahmad · MRXS7
deAhmad-SyndromIntelligenzminderung, X-chromosomale, Typ Ahmad · Intelligenzminderung, X-chromosomale, syndromale Typ 7 · MRXS7
esSíndrome de AhmadTrastorno del desarrollo intelectual, ligado al cromosoma X, sindrómico 7 · Discapacidad intelectual ligada al cromosoma X tipo Ahmad · MRXS7
itSindrome di AhmadMRXS7 · Malattia dello sviluppo intellettivo, legata all'X, sindromica 7 · Disabilità intellettiva legata all'X, tipo Ahmad · Disabilità intellettiva legata all'X, tipo Ahmad
nlSyndroom van AhmadMRXS7 · X-gebonden intellectuele achterstand, Ahmad-type · Intellectuele ontwikkelingsstoornis, X-gebonden, syndromaal 7
ptPerturbação do desenvolvimento intelectual sindromática ligada ao X 7MRXS7 · Perturbação do desenvolvimento intelectual ligada ao X, tipo Ahmad
plSyndromiczna niepełnosprawność intelektualna 7 sprzężona z chromosomem XMRXS7 · Niepełnosprawność intelektualna sprzężona z chromosomem X, typ Ahmada
csSyndromická X-vázaná mentální retardace 7MRXS7 · X-vázaná mentální retardace, Ahmadův typ
ukСиндромна Х-зчеплена розумова відсталість 7MRXS7 · Х-зчеплена розумова відсталість, тип Ахмад
zh综合征性X连锁智力障碍7型X连锁智力障碍,Ahmad型
trSendromik X'e bağlı zihinsel yetersizlik 7MRXS7 · X'e bağlı zihinsel yetersizlik, Ahmad tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300218Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD90NTBTattributedvalidated
MONDO0010270Evalidated
MeSHC537449Evalidated
UMLSC1846170Evalidated
GARD9156Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)Validated10573017[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_10573017[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

15 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000135Hypogonadism
HP:0001249Intellectual disability
HP:0002342Intellectual disability, moderate
HP:0001513Obesity
HP:0001182Tapered finger
Frequent (79-30%)
HP:0006482Abnormal dental morphology
HP:0008736Hypoplasia of penis
HP:0002546Incomprehensible speech
HP:0001324Muscle weakness
HP:0004322Short stature
HP:0002231Sparse body hair
HP:0000692Tooth malposition
Occasional (29-5%)
HP:0000028Cryptorchidism
HP:0000054Micropenis
HP:0000572Visual loss

Annotation source: 10573017[PMID]

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Sources for this card