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[Congenital anhidrotic ectodermal dysplasia in a female infant]
1Kinderspital der Landeskrankenanstalten Salzburg.
Insights
Anhidrotic ectodermal dysplasia (AED) in an infant presented with fever and inability to sweat, leading to severe brain damage. Diagnosis was confirmed by pilocarpine iontophoresis and skin biopsy showing absent eccrine glands.
Area of Science:
- Pediatrics
- Genetics
- Dermatology
Background:
- Anhidrotic ectodermal dysplasia (AED) is a rare genetic disorder affecting ectodermal structures.
- Early diagnosis and management are crucial for preventing severe complications.
Observation:
- A 3-month-old infant presented with fever of unknown origin, inability to sweat, hypotrichosis, absent eyebrows, and thick lips.
- The infant experienced prolonged convulsions and subsequent severe brain damage.
Findings:
- The diagnosis of anhidrotic ectodermal dysplasia was confirmed via quantitative pilocarpine iontophoresis, demonstrating an inability to sweat.
- Skin biopsy revealed a complete absence of eccrine glands, a hallmark of AED.
Implications:
- This case highlights the critical need for early recognition of AED symptoms in infants.
- Prompt diagnosis can potentially mitigate severe neurological complications associated with fever and dehydration in AED patients.
Abstract:
Fever of unknown origin, unability to sweat, hypotrichosis, absent eyebrows and thick everted lips were symptoms in a 3 month old female infant and raised the suspicion of anhidrotic ectodermal dysplasia. After several days of high fever and enteritis our patient presented with convulsions which could hardly be interrupted for a couple of days. Two months later brain scanning revealed serious brain damage. Finally the diagnosis of anhidrotic ectodermal dysplasia was confirmed by the unability to sweat by means of the quantitative pilocarpin iontophoresis test. Skin biopsy showed absence of the eccrine glands.