Spondylometaphyseal dysplasia-corneal…

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Spondylometaphyseal dysplasia-corneal dystrophy syndrome

ORPHA:589435Malformation syndrome

Also called SMD-corneal dystrophy syndrome

What it is

A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by developmental delay with intellectual disability, postnatal growth deficiency causing profound limb shortening with proximal and distal segments involvement, narrow chest, abnormalities of the spine, pelvis, and metaphyses, corneal clouding, and patent ductus arteriosus. Dysmorphic facial features include hypertelorism, prominent eyes, depressed nasal bridge, and short upturned nose.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Neonatal
Inheritance
Autosomal recessive
Classified as
Malformation syndrome

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Gene

PLCB3Disease-causing germline mutation(s)

ICD-10 codes

Q87.8filed under a broader ICD-10 category — shared with 581 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0030074OMIM 618961UMLS C5394555

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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