Spontaneous regression of huge cardiac rhabdomyoma in an infant

G Batmaz1, R Besikçi, G Arslan

  • 1Associated Professor in Pediatric Cardiology Unit, University of Istanbul, Cerrahpasa Medical Faculty, Cerrahpasa Istanbul.

Insights

Rhabdomyomas, common childhood heart tumors, can cause subaortic stenosis. This case showed a large rhabdomyoma that regressed with medical follow-up, suggesting it as a preferred treatment over surgery.

Area of Science:

  • Pediatric Cardiology
  • Oncology
  • Genetics

Background:

  • Rhabdomyomas are the most frequent primary cardiac tumors in pediatric patients.
  • These tumors are frequently associated with genetic disorders like tuberous sclerosis.

Purpose of the Study:

  • To report a rare case of a large, asymptomatic cardiac rhabdomyoma in a neonate.
  • To discuss the management and natural history of cardiac rhabdomyomas.

Main Methods:

  • Case report of a neonate presenting with a cardiac murmur.
  • Clinical observation and follow-up of tumor size and patient symptoms.

Main Results:

  • A huge rhabdomyoma was identified in a 4-hour-old infant, causing moderate subaortic stenosis.
  • The tumor showed spontaneous regression during follow-up.
  • The infant remained asymptomatic apart from the murmur.

Conclusions:

  • While symptomatic cardiac rhabdomyomas may require surgical intervention, conservative medical follow-up can be a preferred approach for asymptomatic or regressing tumors.
  • This case highlights the potential for spontaneous regression of cardiac rhabdomyomas.