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chondrodysplasia punctata

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Chondrodysplasia punctata chondrodysplasia punctata chondrodysplasia punctata chondrodysplasia punctata chondrodysplasia punctata chondrodysplasia punctata chondrodysplasia punctata
stippled epiphysis, chondrodysplasia calcificans congenita

Synopsis

- stippled epiphyseal calcification (epiphyseal stippling)
- dwarfism
- flat facies
- depressed nasal bridge
- cataract
- short neck
- flexion contracture
- foot deformation
- ichtyosiform dermatitis

Clinical types

- Greenberg dysplasia
- dappled diaphysis dysplasia
- rhizomelic type chondrodysplasia punctata
- autosomal dominant forms of chondrodysplasia punctata (Conradi-Hünermann type chondrodysplasia punctata) (MIM.118650)
- tibial-metacarpal type chondrodysplasia punctata
- brachytelephalangic type chondrodysplasia punctata
- autosomal recessive forms of chondrodysplasia punctata (M(MIM.215100)

- X-linked chondrodysplasia punctata

  • X-linked recessive chondrodysplasia punctata type 1 (CDPX1) (brachytelephalangic chondrodysplasia punctata) (MIM.302950)
    • germline mutation in the arylsulfatase E gene (ARSE) (MIM.300180)
  • X-linked dominant chondrodysplasia punctata type 2 (CDPX2) (Conradi-Hunnermann syndrome, Happle syndrome) (MIM.302960)
    • germline mutation in the gene encoding delta(8)-delta(7) sterol isomerase emopamil-binding protein (EBP) (MIM.300205)

References

- Rakheja D, Read CP, Hull D, Boriack RL, Timmons CF. A severely affected female infant with x-linked dominant chondrodysplasia punctata: a case report and a brief review of the literature. Pediatr Dev Pathol. 2007 Mar-Apr;10(2):142-8. PMID: 17378690