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Type I hereditary punctate keratoderma.
1Ronald O. Perelman Department of Dermatology, New York University, USA.
Dermatology Online Journal
|November 5, 2003
Summary
Type I hereditary punctate keratoderma (Buschke-Fisher-Brauer disease) is an autosomal-dominant skin condition characterized by palm and sole keratoses. Affected individuals may have an increased risk of developing malignancies.
Area of Science:
- Dermatology
- Medical Genetics
Background:
- Hereditary palmoplantar keratodermas are a group of genetic skin disorders.
- Type I hereditary punctate keratoderma (Buschke-Fisher-Brauer disease) is a rare autosomal-dominant condition.
Observation:
- A 75-year-old man presented with a lifelong history of small, depressed, hyperkeratotic papules on his palms.
- A similar condition was noted in his mother, suggesting a hereditary pattern.
- Histological examination revealed hyperkeratosis without parakeratosis columns.
Findings:
- The patient was diagnosed with type I hereditary punctate keratoderma (Buschke-Fisher-Brauer disease).
- This condition presents as multiple, tiny keratoses on the palms and soles.
- Variable penetrance is a characteristic of this autosomal-dominant disorder.
Implications:
- Individuals with hereditary punctate keratoderma may have an elevated risk for developing certain malignancies.
- Early diagnosis and monitoring are crucial for managing potential associated health risks.