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Related Experiment Videos

Intrathoracic Kaposi's sarcoma. CT findings

A M Khalil1, M F Carette, J L Cadranel

  • 1Department of Radiology, Tenon Hospital, Paris, France.

Chest
|December 1, 1995
PubMed
Summary
This summary is machine-generated.

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Thin CT scans reveal characteristic findings for intrathoracic Kaposi's sarcoma (KS) in AIDS patients. Nodules, masses, and pleural effusions are common, while ground-glass opacities suggest other conditions.

Area of Science:

  • Radiology
  • Oncology
  • Infectious Diseases

Background:

  • AIDS patients are susceptible to opportunistic infections and malignancies.
  • Intrathoracic Kaposi's sarcoma (KS) is a significant complication in advanced HIV.
  • Accurate imaging is crucial for diagnosing and managing intrathoracic KS.

Purpose of the Study:

  • To detail the thin-section CT scan features of intrathoracic Kaposi's sarcoma (KS) in patients with Acquired Immunodeficiency Syndrome (AIDS).
  • To establish imaging criteria for differentiating KS from other pulmonary conditions in this patient group.

Main Methods:

  • Retrospective review of 53 thin-section (2 mm) CT scans from patients with confirmed intrathoracic KS.
  • Diagnosis confirmation through histology or combined skin KS and characteristic endobronchial lesions.

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  • Exclusion of patients with recent Pneumocystis carinii pneumonia.

    • Main Results:

    • Frequent CT findings included numerous nodules (42), tumoral masses (28), bronchovascular thickening (35), and pleural effusions (28).
    • Less common findings were septal lines (15), ground-glass opacities (3), and mediastinal adenopathies (8).
    • The association of nodules, masses, bronchial wall thickening, and pleural effusions was highly characteristic (66%).

    Conclusions:

    • Thin-section CT is valuable for diagnosing intrathoracic KS in AIDS patients, with nodules, masses, and pleural effusions being key indicators.
    • The presence of ground-glass opacities or mediastinal adenopathies on CT may suggest opportunistic infections or mycobacteriosis.
    • Combined imaging features, particularly their frequent association, strongly support the diagnosis of intrathoracic KS.