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CHILD syndrome avant la lettre
1Department of Dermatology, Philipp University of Marburg, Deutschhausstrasse 9, 35037 Marburg, Germany.
Journal of the American Academy of Dermatology
|January 17, 2004
Summary
The earliest known description of CHILD syndrome, a genetic disorder affecting cholesterol metabolism, was published in 1903 by Otto Sachs. His report detailed key features of CHILD nevus and verruciform xanthoma, predating previous records.
Area of Science:
- Medical Genetics
- Dermatology
- Biochemistry
Background:
- CHILD syndrome (Congenital Hemidysplasia with Ichthyosiform nevus and Limb defects) is an X-linked dominant, male-lethal disorder.
- Mutations in the NSDHL gene, involved in cholesterol metabolism, cause CHILD syndrome.
- The characteristic CHILD nevus typically exhibits lateralization.
Observation:
- A 1903 report by Otto Sachs describes an 8-year-old girl with a unilateral "xanthoma-like nevus" and ipsilateral upper limb weakness.
- Sachs provided detailed clinical and histopathological descriptions of the nevus.
- This report predates the previously recognized earliest case of CHILD syndrome by 45 years.
Findings:
- Sachs's description of the CHILD nevus includes features now recognized as pathognomonic, such as verruciform xanthoma.
- The report comprehensively describes verruciform xanthoma, anticipating later publications by nearly 70 years.
- This discovery establishes the 1903 Sachs report as the earliest known description of CHILD syndrome.
Implications:
- This finding revises the historical timeline of CHILD syndrome research.
- It highlights the importance of re-examining historical medical literature for early descriptions of genetic disorders.
- The comprehensive description of verruciform xanthoma in Sachs's report offers valuable insights into its early histopathological understanding.