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Bilateral massive posterior embryotoxon.

Joshua S Manusow1, Seymour Brownstein, Michel J Belliveau

  • 1Department of Ophthalmology and Laboratory Medicine (Pathology), University of Ottawa, Ottawa, Ontario, Canada.

Journal of Pediatric Ophthalmology and Strabismus
|October 5, 2010
PubMed
Summary
This summary is machine-generated.

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A 10-week-old infant

Area of Science:

  • Ophthalmology
  • Pediatric Pathology
  • Medical Genetics

Background:

  • Sudden infant death syndrome (SIDS) remains a significant concern.
  • Posterior embryotoxon, an anterior segment anomaly, is often asymptomatic.
  • Genetic and developmental factors can influence ocular development.

Observation:

  • Histopathologic examination of globes from a 10-week-old infant who died unexpectedly.
  • No evidence of ocular trauma was detected.
  • Incidental, bilateral, and extremely prominent Schwalbe's rings (posterior embryotoxon) were observed.

Findings:

  • This case represents one of the largest documented instances of posterior embryotoxon.
  • The prominent Schwalbe's rings were an incidental finding in the absence of trauma.

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  • The ocular findings were noted in the context of sudden, unexplained infant death.

    • Implications:

    • Highlights the importance of thorough histopathologic examination in unexplained infant deaths.
    • Suggests a potential, though unproven, association between severe posterior embryotoxon and SIDS.
    • Underscores the need for further research into the genetic and syndromic associations of posterior embryotoxon.