Partial epilepsy and developmental delay in infant with ring chromosome 14

G Imataka1, M Noguchi, K Tsukada

  • 1Department of Pediatrics, Dokkyo Medical University School of Medicine, Tochigi, Japan. geo@dokkyomed.ac.jp

Genetic Counseling (Geneva, Switzerland)
|April 25, 2013
PubMed

Insights

Ring chromosome 14 (r14) causes early-onset epilepsy and developmental delays. Chromosomal analysis is crucial for diagnosing r14 in infants with unexplained seizures and developmental issues.

Area of Science:

  • Genetics
  • Neurology
  • Pediatrics

Background:

  • Ring chromosome 14 (r14) syndrome is a rare chromosomal disorder.
  • It is associated with a distinct set of clinical features including early-onset epilepsy and developmental abnormalities.

Observation:

  • A case of a female infant presenting with partial seizures and delayed development is described.
  • The patient experienced afebrile generalized convulsions at 9 months, later evolving into complex partial seizures.

Findings:

  • Karyotyping revealed the diagnosis of 46, XX, r(14) (p11.2q32.3).
  • Despite the absence of consistent neuroimaging or EEG findings, clinical presentation and facial dysmorphisms aided diagnosis.
  • Epilepsy in this patient was refractory to initial treatment, requiring adjustments in medication.

Implications:

  • The study highlights the importance of chromosomal analysis in infants with unexplained refractory epilepsy and developmental delay.
  • Early diagnosis of ring chromosome 14 syndrome can facilitate timely management and genetic counseling.
  • Pediatric neurologists should consider chromosomal abnormalities when faced with complex neurological presentations in infancy.

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