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Posterior mediastinal hemangioma.

Gauravi K Sabharwal1, Peter J Strouse

  • 1Section of Pediatric Radiology, C.S. Mott Children's Hospital, University of Michigan Health System, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0252, USA. gauravis@umich.edu

Pediatric Radiology
|September 16, 2005
PubMed
Summary

Posterior mediastinal hemangiomas are rare, but can be diagnosed with contrast-enhanced CT. These benign vascular tumors can mimic neuroblastomas in infants.

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Area of Science:

  • Pediatric Radiology
  • Vascular Malformations
  • Surgical Pathology

Background:

  • Mediastinal hemangiomas are rare vascular tumors.
  • Posterior mediastinal masses are common in infants.
  • Neuroblastoma is the most frequent posterior mediastinal tumor in this age group.

Observation:

  • Two cases of posterior mediastinal hemangiomas in infants (4 and 6 months old) are presented.
  • Radiographs and contrast-enhanced CT scans were used for initial mass identification.
  • Surgical specimens confirmed the diagnosis through histological evaluation.

Findings:

  • Contrast-enhanced CT can suggest hemangioma diagnosis due to relatively high attenuation.
  • Posterior mediastinal hemangiomas can be misdiagnosed as neuroblastomas.
  • Histological examination is definitive for diagnosis.

Implications:

  • Early and accurate diagnosis of posterior mediastinal hemangiomas is crucial.
  • Distinguishing hemangiomas from neuroblastomas impacts treatment strategies.
  • Awareness of this rare entity aids in pediatric differential diagnosis.

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