achondrogenesis type 1A
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Pathology
- lethal form of chondrodysplasia
- deficient ossification in the lumbar vertebrae
- absent ossification in the sacral, pubic & ischial bones
Genetics
- associated with defects in TRIP11
Clinical manifestations
- stillbirth or early death
- severe micromelia
- disproportionately large cranium due to marked edema of soft tissues