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Fetal mediastinal lymphangiomas.

Christine H Comstock1, Wesley Lee, Richard A Bronsteen

  • 1Division of Fetal Imaging, Department of Obstetrics and Gynecology, William Beaumont Hospital, Royal Oak, MI 48073, USA. ccomstock@beaumont.edu

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|December 22, 2007
PubMed
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Prenatal diagnosis of mediastinal lymphangiomas in fetuses is possible via ultrasound. These tumors can surround vital structures, complicating surgical removal and leading to recurrence.

Area of Science:

  • Fetal Medicine
  • Pediatric Surgery
  • Diagnostic Imaging

Background:

  • Mediastinal lymphangiomas are rare congenital tumors.
  • Prenatal diagnosis of these masses can be challenging.
  • Understanding their sonographic features is crucial for management.

Observation:

  • Two fetuses presented with anechoic mediastinal masses on prenatal ultrasound.
  • One mass involved anterior mediastinal structures, neck vessels, and chest wall.
  • The second mass affected the neck, posterior, and lateral mediastinum.

Findings:

  • Prenatal sonography revealed anechoic mediastinal masses in both fetuses.
  • Postnatal evaluation confirmed lymphangiomas with extensive involvement of surrounding structures.

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  • Both fetuses required multiple postnatal interventions.

    • Implications:

    • Fetal mediastinal lymphangiomas can extensively infiltrate adjacent vital structures.
    • Accurate assessment of tumor extent on antenatal sonography is difficult.
    • Complete surgical excision is challenging, and recurrence is common.