Multiple epiphyseal dysplasia-miniepiphyse…

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Multiple epiphyseal dysplasia-miniepiphyses syndrome

ORPHA:166032Disease

What it is

Multiple epiphyseal dysplasia, with miniepiphyses is a rare primary bone dysplasia disorder characterized by strikingly small secondary ossification centers (mini-epiphyses) in all or only some joints, resulting in severe bone dysplasia of the proximal femoral heads. Short stature, increased lumbar lordosis, genua vara and generalized joint laxity have also been reported.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Childhood, Infancy
Classified as
Disease

Recorded for the broader condition

Inheritance
Autosomal dominant, Autosomal recessiveMultiple epiphyseal dysplasia

Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.

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.

ICD-10 codes

Q77.3filed under a broader ICD-10 category — shared with 18 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

MESH C563735MONDO 0012254OMIM 609325UMLS C5924992

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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