raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2250

Hyposmia-nasal and ocular hypoplasia-hypogonadotropic hypogonadism syndrome

Synonyms: Bosma arhinia-microphthalmia syndrome · Bosma-Henkin-Christiansen syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Unknown
Age of onset
Antenatal, Neonatal
Status
active

This syndrome is characterized by the association of severe nasal hypoplasia, hypoplasia of the eyes, hyposmia, hypogeusia and hypogonadotropic hypogonadism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHyposmia-nasal and ocular hypoplasia-hypogonadotropic hypogonadism syndromeBosma arhinia-microphthalmia syndrome · Bosma-Henkin-Christiansen syndrome
frSyndrome d'hypoplasie nasale et oculaire-hypogonadisme hypogonadotropeSyndrome de Bosma-Henkin-Christiansen
deHyposmie-nasale und okuläre Hypoplasie-hypogonadotroper Hypogonadismus-SyndromArhinie-Mikrophthalmie-Syndrom Bosma · Bosma-Henkin-Christiansen-Syndrom
esSíndrome de hiposmia-hipoplasia nasal y ocular-hipogonadismo hipogonadotrópicoSíndrome de Bosma-Henkin-Christiansen · Síndrome de arrinia-microftalmia de Bosma
itIposmia - ipoplasia oculare e nasale - ipogonadismo ipogonadotropoSindrome di Bosma-Henkin-Christiansen
nlHyposmie - nasale en oculaire hypoplasie - hypogonadotroop hypogonadisme-syndroomArrhinie - microftalmie-syndroom van Bosma · Syndroom van Bosma-Henkin-Christiansen
ptSíndrome de hiposmia-hipoplasia nasal e ocular-hipogonadismo hipogonadotrópicoSíndrome Bosma-Henkin-Christiansen · Síndrome de arrinia-microftalmia Bosma
plHiposmia - hipoplazja nosa i oczu - hipogonadyzm hipogonadotropowyZespół Bosma, Henkina i Christiansena
csSyndrom zahrnující hyposmii, nazální a okulární hypoplázii a hypogonadotropní hypogonadismusBosmaův-Henkinův-Christiansenův syndrom · Bosma-Henkin-Christiansenův syndrom
ukСиндром гіпосмії - назальної та очної гіпоплазії - гіпогонадотропного гіпогонадизмуСиндром аринії-мікрофтальмії Босма · Синдром Босма-Хенкіна-Крістіансена
zh嗅觉减退-鼻和眼发育不全-低促性腺激素性性腺功能减退综合征Bosma无鼻畸形-小眼畸形综合征
trHipozmi-nazal ve oküler hipoplazi-hipogonadotropik hipogonadizm sendromuBosma-Henkin-Christiansen sendromu · Bosma arhinia-mikroftalmi sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM603457NTBTvalidated
ICD-10Q87.0NTBTattributedvalidated
MONDO0016393Evalidated
MONDO11323Evalidated
MONDO16393Evalidated
UMLSC4510568Evalidated

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 (7):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SMCHD1Disease-causing germline mutation(s) inAssessedHGNC:29090ENSG0000010159661498218p11.32structural maintenance of chromosomes flexible hinge domain containing 128067911[PMID]_28067909[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated6802865[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_6802865[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

32 annotations · validated 2024-10-16
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000309Abnormal midface morphology
HP:0100596Absent nares
HP:0000458Anosmia
HP:0009927Aplasia of the nose
HP:0000518Cataract
HP:0003241External genital hypoplasia
HP:0006352Failure of eruption of permanent teeth
HP:0000135Hypogonadism
HP:0008736Hypoplasia of penis
HP:0040326Hypoplasia of the olfactory bulb
HP:0004409Hyposmia
HP:0000023Inguinal hernia
HP:0009932Single naris
HP:0000692Tooth malposition
Frequent (79-30%)
HP:0009023Abdominal wall muscle weakness
HP:0000646Amblyopia
HP:0000528Anophthalmia
HP:0009924Aplasia/Hypoplasia involving the nose
HP:0000618Blindness
HP:0000453Choanal atresia
HP:0000028Cryptorchidism
HP:0000771Gynecomastia
HP:0000044Hypogonadotropic hypogonadism
HP:0000327Hypoplasia of the maxilla
HP:0000612Iris coloboma
HP:0000568Microphthalmia
HP:0000572Visual loss
Occasional (29-5%)
HP:0000193Bifid uvula
HP:0000175Cleft palate
HP:0030752Dacryocystocele
HP:0000648Optic atrophy
HP:0000176Submucous cleft hard palate

Run the differential on the 12 obligate / very frequent terms

Annotation source: 38555111[PMID]_26842768[PMID]

7

Sources for this card