Lethal congenital contracture syndrome…

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Lethal congenital contracture syndrome type 2

ORPHA:137776Malformation syndrome

Also called LCCS2 · Multiple contracture syndrome, Israeli-Bedouin type

What it is

Lethal congenital contracture syndrome type 2 is a rare arthrogryposis syndrome characterized by multiple congenital contractures (typically extended elbows and flexed knees), micrognathia, anterior horn cell degeneration, skeletal muscle atrophy (mainly in the lower limbs), presence of a markedly distended urinary bladder and absence of hydrops, pterygia and bone fractures. Other craniofacial (e.g. cleft palate, facial palsy) and ocular (e.g. anisocoria, retinal detachment) anomalies may be additionally observed. The disease is usually neonatally lethal however, survival into adolescence has been reported.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Antenatal, 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

ERBB3Disease-causing germline mutation(s) (loss of function)

ICD-10 codes

Q68.8filed under a broader ICD-10 category — shared with 29 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

GARD 9177MESH C564369MONDO 0011868OMIM 607598UMLS C1843478

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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