Pleural Plaque

Aka: Pleural Plaque

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II. Epidemiology

  1. Occur in 50% with significant Asbestos Exposure

III. Definition

  1. Asbestos-related CollagenPlaque deposition on pleura

IV. Pathophysiology

  1. Response to Asbestos Exposure
  2. Plaques form in pleura from Collagen deposition
  3. Plaques are benign and do not precancers

V. Imaging

  1. Chest XRay
    1. Plaques are variably present
  2. Chest CT
    1. Not indicated in most cases
    2. Test Sensitivity: 50%

VI. Evaluation

  1. Marker for Asbestos Exposure

VII. References

  1. O'Reilly (2007) Am Fam Physician 75:683-90 [PubMed]
  2. (2004) Am J Respir Crit Care Med 170:691-715 [PubMed]

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