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Published on: April 26, 2019
[Conradi-Hünermann-Happle syndrome]
Stephanie F F W Bukkems1, Wim J Ijspeert, Maaike Vreenurg
1VieCuri Medisch Centrum voor Noord-Limburg, afd. Kinderrevalidatie, Venlo, the Netherlands. stephaniebukkems@gmail.com
Conradi-Hünermann-Happle syndrome, a rare genetic disorder affecting cholesterol metabolism, presents with severe skin abnormalities, skeletal issues, and cataracts. Early diagnosis and multidisciplinary care are crucial for managing this condition.
Area of Science:
- Genetics
- Biochemistry
- Pediatrics
Background:
- Conradi-Hünermann-Happle syndrome (CHHS) results from mutations in the emopanil binding protein-gene (EBP).
- The EBP gene encodes 3β-hydroxysteroid-δ8,7 isomerase, an enzyme critical for cholesterol metabolism.
Observation:
- A 19-month-old girl presented with CHHS, exhibiting complete erythrodermia at birth, linear ichthyosis, limb shortening, vertebral anomalies, scoliosis, and cataracts.
- The patient's mother also had CHHS, with a history of linear ichthyosis, leg length discrepancy, and congenital alopecia.
Findings:
- The case highlights the diverse and severe phenotypic manifestations of CHHS.
- Genetic mutations in EBP lead to significant developmental and dermatological issues.
Implications:
- A multidisciplinary approach is essential for the diagnosis and management of children with rare genetic syndromes like CHHS.
- Collaborative care ensures optimal follow-up for affected patients and their families.
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