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The Rett condition--broad clinical variability--a case report over three decades
1Department of Pediatrics, University of Göteborg, Sweden.
Neuropediatrics
|April 1, 1995
Summary
This case study describes a female with a rare variant of Rett syndrome, initially presenting with mild intellectual disability. Over time, she developed characteristic neurological and behavioral patterns, highlighting the importance of long-term observation for accurate diagnosis.
Area of Science:
- Neuroscience
- Genetics
- Pediatric Neurology
Background:
- Rett syndrome is a rare neurodevelopmental disorder primarily affecting females.
- Typical Rett syndrome presents in early childhood with distinct clinical features.
- Atypical or forme fruste variants may exhibit delayed or less pronounced symptoms.
Observation:
- A female patient presented at age 4 with moderate intellectual disability and unspecific symptoms.
- Speech remnants were partially preserved throughout her development.
- Long-term follow-up until age 32 revealed the emergence of Rett syndrome characteristics.
Findings:
- The patient exhibited a forme fruste variant of Rett syndrome.
- Clinical presentation was atypical and discrete initially.
- Diagnostic accuracy was achieved through observing a constellation of Rett peculiarities over time.
Implications:
- This case underscores the variability in Rett syndrome presentation.
- Delayed diagnosis is possible in atypical variants.
- Comprehensive, longitudinal assessment is crucial for identifying subtle or late-onset Rett syndrome cases.