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Pediatric Radiology

, Volume 45, Issue 7, pp 965–976 | Cite as

Radiographic features of the skeleton in disorders of post-squalene cholesterol biosynthesis

  • Massimiliano Rossi
  • Christine M. Hall
  • Raymonde Bouvier
  • Sophie Collardeau-Frachon
  • Frédérique Le Breton
  • Martine Bucourt
  • Marie Pierre Cordier
  • Christine Vianey-Saban
  • Giancarlo Parenti
  • Generoso Andria
  • Martine Le Merrer
  • Patrick Edery
  • Amaka C. OffiahEmail author
Review

Abstract

Disorders of post-squalene cholesterol biosynthesis are inborn errors of metabolism characterised by multiple congenital abnormalities, including significant skeletal involvement. The most frequent and best-characterised example is the Smith–Lemli–Opitz syndrome. Nine other disorders are known, namely autosomal-recessive Antley–Bixler syndrome, Greenberg dysplasia, X-linked dominant chondrodysplasia punctata, X-linked recessive male emopamil-binding protein deficiency, CHILD syndrome, CK syndrome, sterol C4 methyloxidase-like deficiency, desmosterolosis and lathosterolosis. This study provides an overview of the radiologic features observed in these diseases. A common pattern of limb abnormalities is recognisable, including polydactyly, which is typically post-axial and rarely interdigital and can involve all four limbs, and syndactyly of the toes. Chondrodysplasia punctata is specifically associated with a subgroup of disorders of cholesterol biosynthesis (Greenberg dysplasia, CHILD syndrome, X-linked dominant chondrodysplasia punctata, male emopamil-binding protein deficiency). The possible occurrence of epiphyseal stippling in the Smith–Lemli–Opitz syndrome, initially reported, does not appear to be confirmed. Stippling is also associated with other congenital disorders such as chromosomal abnormalities, brachytelephalangic chondrodysplasia punctata (X-linked recessive chondrodysplasia punctata, disruptions of vitamin K metabolism, maternal autoimmune diseases), rhizomelic chondrodysplasia punctata (peroxisomal disorders) and lysosomal storage disorders. In the differential diagnosis of epiphyseal stippling, a moth-eaten appearance of bones, asymmetry, or presence of a common pattern of limb abnormalities indicate inborn errors of cholesterol biosynthesis. We highlight the specific differentiating radiologic features of disorders of post-squalene cholesterol biosynthesis.

Keywords

Disorders of cholesterol biosynthesis Skeletal dysplasia Polydactyly Syndactyly Stippling Chondrodysplasia punctata Radiography Foetus Child 

Notes

Conflicts of interest

None

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Massimiliano Rossi
    • 1
    • 2
  • Christine M. Hall
    • 3
  • Raymonde Bouvier
    • 4
  • Sophie Collardeau-Frachon
    • 4
  • Frédérique Le Breton
    • 5
  • Martine Bucourt
    • 6
  • Marie Pierre Cordier
    • 1
  • Christine Vianey-Saban
    • 7
  • Giancarlo Parenti
    • 8
  • Generoso Andria
    • 8
  • Martine Le Merrer
    • 9
  • Patrick Edery
    • 1
    • 2
  • Amaka C. Offiah
    • 10
    Email author
  1. 1.Genetic Department, Referral Centre for Developmental Abnormalities, Femme-Mère-Enfant HospitalHospices Civils de LyonBron cedexFrance
  2. 2.INSERM U1028 UMR CNRS 5,292, UCBL, CRNL TIGER Team, CH le VinaterBron cedexFrance
  3. 3.Retired from Department of Radiology, Great Ormond Street HospitalLondonUK
  4. 4.Department of Pathology, CBPEHospices Civils de LyonBron cedexFrance
  5. 5.Department of Pathology, Croix-Rousse HospitalHospices Civils de LyonLyonFrance
  6. 6.Foetopathology Unit, Jean Verdier HospitalAP-HPBondyFrance
  7. 7.Department of Inborn Errors of Metabolism and Neonatal Screening, CBPEHospices Civils de LyonBron cedexFrance
  8. 8.Department of Translational Medical Sciences, Section of PediatricsFederico II UniversityNaplesItaly
  9. 9.Genetic Department, Referal Centre for Skeletal Dysplasias, Institut Imagine, Necker-Enfants Malades HospitalAP-HPParisUK
  10. 10.Radiology Department, Children’s Hospital, Academic Unit of Child Health Room C4Stephenson Wing Sheffield Children’s NHS Foundation Trust Western BankSheffieldUK

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