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Johanson--blizzard syndrome
M L Kulkarni1, S K Shetty, K S Kallambella
1Department of Pediatrics, Jagadguru Jayadeva Murugarajendra Medical College, Davangere, India.
Indian Journal of Pediatrics
|January 5, 2005
Summary
Johanson-Blizzard syndrome is a rare ectodermal disorder. This report details a neonate with typical symptoms and unusual cafe-au-lait spots, expanding the condition's known features.
Area of Science:
- Medical Genetics
- Pediatrics
- Dermatology
Background:
- Johanson-Blizzard syndrome is an extremely rare genetic disorder affecting ectodermal development.
- It is characterized by specific facial anomalies, developmental delays, and organ-specific dysfunctions.
- The condition is presumed to follow an autosomal recessive inheritance pattern.
Observation:
- A female neonate presented with classic features of Johanson-Blizzard syndrome.
- The neonate exhibited aplasia/hypoplasia of alae nasi and midline scalp defects.
- Congenital deafness, hypothyroidism, and exocrine pancreatic insufficiency were also noted.
Findings:
- The neonate displayed characteristic ectodermal and developmental anomalies associated with Johanson-Blizzard syndrome.
- An uncommon finding of cafe-au-lait spots was observed in this patient.
- This presentation expands the phenotypic spectrum of Johanson-Blizzard syndrome.
Implications:
- This case highlights the importance of recognizing less common features in rare genetic disorders.
- Early identification of Johanson-Blizzard syndrome is crucial for timely intervention and management.
- Further research may elucidate the genetic basis for variable expressivity, including skin manifestations.
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