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Related Experiment Videos

Intrathoracic granulocytic sarcomas

J E Takasugi1, J D Godwin, S I Marglin

  • 1Department of Radiology, Seattle Veterans Administration Medical Center, WA 98195, USA.

Journal of Thoracic Imaging
|January 1, 1996
PubMed
Summary

Intrathoracic granulocytic sarcoma (IGS) presents with characteristic mediastinal or hilar masses on imaging. Less common findings like lung opacities require histological confirmation for accurate diagnosis and treatment.

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Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Intrathoracic granulocytic sarcoma (IGS) is a rare extramedullary manifestation of myeloid disorders.
  • Understanding its radiographic appearance is crucial for timely diagnosis and management.

Purpose of the Study:

  • To review and describe the typical and atypical radiographic manifestations of intrathoracic granulocytic sarcoma.
  • To correlate imaging findings with clinical presentation and histological confirmation.

Main Methods:

  • Retrospective review of nine patients with IGS from the institution.
  • Analysis of 41 literature cases of IGS.
  • Examination of radiographic studies (chest radiographs, CT, MR) and medical records.
  • Histological confirmation in three cases; diagnosis based on clinical presentation and chemotherapy response in others.

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Main Results:

  • The mediastinum was the most common site of IGS involvement (6/9 cases).
  • Characteristic findings included mediastinal or hilar mass and mediastinal widening on imaging.
  • Less common manifestations included lung, pleural, pericardial, and hilar involvement, with effusions and opacities noted.

Conclusions:

  • Mediastinal or hilar mass and mediastinal widening are characteristic radiographic findings of IGS.
  • Atypical presentations such as pleural/pericardial effusions and lung opacities necessitate histological confirmation due to accessible biopsy sites.