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Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma
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Temporal bone rhabdomyosarcoma in children.

S Sbeity1, A Abella, P Arcand

  • 1ENT, Hôpital Sainte-Justine, 3175, Côte Sainte-Catherine, Service ORL, Montréal, Que. H3T 1C5, Canada. issam.saliba@umontreal.ca

International Journal of Pediatric Otorhinolaryngology
|March 10, 2007
PubMed
Summary

Pediatric temporal bone rhabdomyosarcoma, a rare cancer, often mimics chronic ear infections. Early diagnosis and multimodal therapy are crucial for improving survival rates in children.

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Area of Science:

  • Pediatric Oncology
  • Otorhinolaryngology
  • Surgical Pathology

Background:

  • Rhabdomyosarcoma is the most common soft tissue sarcoma in children.
  • Temporal bone rhabdomyosarcoma is a rare but aggressive malignancy in the pediatric population.
  • Clinical presentation can mimic chronic otitis media, delaying diagnosis.

Purpose of the Study:

  • To present a case series of pediatric temporal bone rhabdomyosarcoma.
  • To describe the clinical presentation, management, and prognosis.
  • To compare findings with existing literature.

Main Methods:

  • Retrospective study of patients diagnosed and treated between 1970-2005 at a tertiary pediatric center.
  • Inclusion criteria: temporal bone rhabdomyosarcoma in children.
  • Data collected: demographic, clinical, paraclinical, and therapeutic information; literature review of 34 studies.

Main Results:

  • Six cases of pediatric temporal bone rhabdomyosarcoma identified.
  • Mean age at diagnosis: 4.15 years.
  • Common presentation: chronic otitis media; embryonal subtype most frequent.
  • Combined chemotherapy and radiotherapy used in most patients.
  • Five-year survival rate: 66%, consistent with literature.

Conclusions:

  • Temporal bone rhabdomyosarcoma is an aggressive tumor often presenting as refractory otitis media.
  • A high index of suspicion is necessary for unresponsive ear infections, especially with external auditory canal polyps.
  • Biopsy is recommended for persistent lesions.
  • Early diagnosis and multimodal therapy are essential for optimal outcomes.