Parietal foramina

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Parietal foramina with clavicular hypoplasia

ORPHA:251290Malformation syndrome

Also called Parietal foramina with cleidocranial dysplasia

What it is

A rare genetic bone development disorder characterized by parietal foramina in association with hypoplasia of the clavicles (short abnormal clavicles with tapering lateral ends, with or without loss of the acromion). Additional features may include mild craniofacial dysmorphism (macrocephaly, broad forehead and frontal bossing). No dental abnormalities were reported.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Infancy, Neonatal
Inheritance
Autosomal dominant
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

MSX2Disease-causing germline mutation(s) (loss of function)

ICD-10 codes

Q74.0filed under a broader ICD-10 category — shared with 17 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.

Cross-references

MESH C566825MONDO 0008198OMIM 168550UMLS C1868597

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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