raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:468672

Colobomatous macrophthalmia-microcornea syndrome

Synonyms: MACOM syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Childhood, Elderly, Infancy
Status
active

A rare genetic eye disease characterized by microcornea, coloboma of the iris and the optic disc, axial enlargement of the globe, staphyloma, and severe myopia. Additional manifestations are mild cornea plana, iridocorneal angle abnormalities with elevation of intraocular pressure, and shallow anterior chamber depth. Variable expressivity of the phenotype has been described, including unilateral or bilateral involvement, or variable extent of coloboma, among other features.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enColobomatous macrophthalmia-microcornea syndromeMACOM syndrome
frSyndrome de macrophtalmie colobomateuse-microcornéeSyndrome MACOM
deKolobomatöse Makrophthalmie-Mikrokornea-SyndromMACOM-Syndrom
esSíndrome colobomatoso de macroftalmia-microcórneaSíndrome MACOM
itSindrome macroftalmia colobomatosa - microcornea
nlColobomateuze macroftalmie - microcornea-syndroomMACOM-syndroom
ptSíndrome de macroftalmia colobomatosa-microcórnea
plZespół szczelinowatego wielkoocza i rogówki małejZespół MACOM
csSyndrom kolobomatózní makroftalmie a mikrokorneyMACOM syndrome · MACOM syndrom
ukСиндром колобоматозної макрофтальмії-мікророгівкиСиндром МАСОМ
zh疣状巨眼-小角膜综合征MACOM综合征
trKolobomatöz makroftalmi-mikrokornea sendromuMACOM sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM602499Evalidated
ICD-10Q15.8NTBTattributedvalidated
ICD-11LA10.YNTBTattributedvalidated
MONDO0011239Evalidated
MeSHC566533Evalidated
UMLSC1865286Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CRIM1Disease-causing germline mutation(s) inAssessedHGNC:2359ENSG000001509386061892p22.2cysteine rich transmembrane BMP regulator 125561690[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families21 casesWorldwideCase(s)Validated12900897[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_12900897[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