Sudden unexpected death in infancy associated with an epithelial-type hepatoblastoma in a 6-month-old infant

Jeremy Pryce1, Liina Kiho, Irene Scheimberg

  • 1Department of Cellular Pathology, The Royal London Hospital, Barts and The London NHS Trust, Pathology and Pharmacy Building, 80 Newark Street, London E1 2ES, UK.

Insights

Sudden infant death from undiagnosed cancer is rare. This case highlights a 6-month-old infant who died unexpectedly, with autopsy revealing hepatoblastoma, a rare childhood liver cancer.

Area of Science:

  • Pediatric Oncology
  • Infant Pathology

Background:

  • Sudden unexpected death in infancy and childhood due to undiagnosed neoplasia is rare.
  • Malignant neoplasms are uncommon in infants, with an incidence rate of 118.3 per million.
  • Primary malignant liver tumors are rare, with hepatoblastoma being the most common type in childhood.

Observation:

  • Hepatoblastoma accounts for only 3.1% of childhood cancers in infants under 12 months.
  • This report details the first case of sudden death in an apparently healthy 6-month-old infant.
  • Autopsy revealed an epithelial type hepatoblastoma with mixed fetal and embryonal patterns.

Findings:

  • The infant's death was attributed to an undiagnosed hepatoblastoma.
  • The tumor exhibited mixed fetal and embryonal patterns, a specific subtype of epithelial hepatoblastoma.
  • This case underscores the potential for rare presentations of childhood cancers.

Implications:

  • Highlights the importance of considering rare malignancies in the differential diagnosis of sudden infant death.
  • Emphasizes the need for thorough pathological examination in unexplained infant deaths.
  • Contributes to understanding the spectrum of hepatoblastoma presentation in early infancy.

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