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Cardiac rhabdomyoma presenting as sudden infant death syndrome
D A Rigle1, R D Dexter, M B McGee
1Department of Laboratory Medicine and Pathology, St. Paul Ramsey Medical Center, MN.
Insights
Sudden infant death in a 4.5-month-old was linked to cardiac rhabdomyomas, a rare heart tumor. This case highlights the potential for these tumors to cause fatal arrhythmias in infants, presenting as sudden infant death syndrome (SIDS).
Area of Science:
- Forensic Pathology
- Pediatric Cardiology
- Pediatric Oncology
Background:
- Cardiac rhabdomyomas are rare benign tumors of the heart muscle.
- They are often associated with tuberous sclerosis complex but can occur sporadically.
- Sudden infant death syndrome (SIDS) remains a leading cause of post-neonatal mortality.
Observation:
- A previously healthy 4.5-month-old infant experienced sudden, unexpected death.
- Autopsy revealed multiple cardiac lesions diagnosed as rhabdomyomas.
- No other significant congenital anomalies or external injuries were noted.
Findings:
- Histological examination confirmed the cardiac lesions as rhabdomyomas.
- The cardiac rhabdomyomas were identified as the cause of death.
- Death was attributed to fatal cardiac arrhythmia induced by the tumors.
Implications:
- This case represents the first reported instance of cardiac rhabdomyoma causing death attributed to SIDS in forensic literature.
- It underscores the importance of thorough cardiac examination in unexplained infant deaths.
- Highlights the need for awareness among clinicians and forensic pathologists regarding cardiac tumors as a cause of infant mortality.
Abstract:
A case of cardiac rhabdomyoma presenting as sudden infant death in a four-and-one-half month-old infant is reported. The child was the product of an essentially uncomplicated pregnancy and enjoyed good health before his unexpected, sudden death. Autopsy examination revealed the presence of multiple cardiac lesions which histologically were diagnosed as rhabdomyomas. Death was attributed to fatal cardiac arrhythmia caused by the tumor. To the authors' knowledge this represents the first reported case in the forensic science literature of death as a result of cardiac rhabdomyoma presenting as sudden infant death syndrome (SIDS).