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IFAP syndrome "plus" seizures, mental retardation, and callosal hypoplasia
H Bibas-Bonet1, R Fauze, M C Boente
1Department of Neurology, Hospital del Niño Jesús, Tucumán, Argentina.
Insights
Ichthyosis follicularis with atrichia and photophobia syndrome is a rare X-linked disorder. This case highlights additional features like corpus callosum hypoplasia, expanding the known clinical spectrum of this genetic condition.
Area of Science:
- Genetics and rare disease research.
- Clinical dysmorphology and pediatric neurology.
Background:
- Ichthyosis follicularis with atrichia and photophobia syndrome (IFAP) is a rare X-linked recessive disorder.
- Characterized by ichthyosis, congenital alopecia, and photophobia.
Observation:
- Presents a 3-year-old male with IFAP and additional severe manifestations.
- Observed features include growth failure, mental retardation, seizures, keratitis, nail anomalies, and inguinal hernia.
- Magnetic resonance imaging revealed previously undescribed corpus callosum hypoplasia.
Findings:
- Confirms X-linked recessive inheritance pattern with affected maternal male relatives.
- Identifies novel association of corpus callosum hypoplasia with IFAP.
- Provides detailed clinical description of a complex IFAP case.
Implications:
- Expands the phenotypic spectrum of ichthyosis follicularis with atrichia and photophobia syndrome.
- Aids in differential diagnosis for syndromes involving alopecia, seizures, and intellectual disability.
- Highlights the importance of comprehensive evaluation in rare genetic disorders.
Abstract:
Ichthyosis follicularis, congenital alopecia, and photophobia are typical features of a rare X-linked recessive disorder termed ichthyosis follicularis with atrichia and photophobia syndrome. A 3-year-old male with these findings and severe growth failure, mental retardation, generalized seizures, vascularizing keratitis, nail anomalies, inguinal hernia, and a normal chromosome constitution is presented. Two maternal male relatives were affected by the same condition. Magnetic resonance imaging revealed corpus callosum hypoplasia not described at present. Syndromes with alopecia, seizures, and mental retardation are analyzed on the basis of genetic and clinical results.