Pulmonary Tuberculosis: Role of Radiology

The radiologic appearance of pulmonary tuberculosis is discussed with an emphasis on the role of imaging within the clinical context.

Course ID: Q00535 Category:
Modalities: ,

3.0

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Targeted CE per ARRT’s Discipline, Category, and Subcategory classification:
[Note: Discipline-specific Targeted CE credits may be less than the total Category A credits approved for this course.]

Computed Tomography: 1.00
Procedures: 1.00
Neck and Chest: 1.00

Radiography: 1.00
Procedures: 1.00
Thorax and Abdomen Procedures: 1.00

Registered Radiologist Assistant: 1.50
Procedures: 1.50
Thoracic Section: 1.50

Outline

  1. Introduction
  2. Risk Factors
  3. Clinical Features
  4. Active Tuberculosis
    1. Primary Tubersulosis
      1. Lymphadenopathy
      2. Parenchymal disease
      3. Pleural Effusion
      4. Airway Disease
    2. Miliary Tuberculosis
    3. Postprimary Tuberculosis
      1. Consolidation and Cavitation
      2. Centrilobular Nodules
    4. Tuberculosis in Immunocompromised Patients
    5. Pediatric Tuberculosis
  5. Laboratory Evaluation of Active Tuberculosis
    1. Staining
    2. Culture
    3. Nucleic Acid Amplification Test
  6. Latent Tuberculosis
  7. Tests for Infection
    1. Tuberculin Skin Test
    2. Interferon-g Release Assays
    3. Screening Tests in Patients with Active Tuberculosis
  8. Role of Imaging in Diagnosis and Management
  9. Nontuberculous Myobacteria
  10. Conclusion

Objectives

Upon completion of this course, students will:

  1. be familiar with the causes of tuberculosis
  2. know which factors affect the probability of transmission of tuberculosis from one individual to another
  3. know the three categories of tuberculosis infection and what defines them
  4. be familiar with how primary tuberculosis infections develop
  5. understand which groups are at increased risk of exposure to tuberculosis
  6. understand which groups are at higher risk of progression to active tuberculosis
  7. know the typical symptoms of active tuberculosis
  8. know the common sites for the spread of extrapulmonary tuberculosis
  9. know why any radiologic finding that raises the possibility of active tuberculosis must be promptly communicated to the referring provider
  10. be familiar with the appearance of lymphadenopathy on contrast-enhanced CT images
  11. know how parenchymal disease most frequently manifests
  12. be familiar with the appearance of pleural effusion on a radiograph
  13. be familiar with the appearance of airway disease on a radiograph
  14. be familiar with the appearance of miliary tuberculosis on a chest radiograph
  15. be familiar with the appearance of miliary tuberculosis on CT images
  16. be familiar with the appearance of tuberculous empyemas on a radiograph
  17. know how patients with postprimary tuberculosis typically present
  18. understand the role of imaging in patients with postprimary tuberculosis
  19. know what percentage of patients with postprimary tuberculosis show cavitation on chest radiogaphs
  20. know what percentage of patients with active tuberculosis show centrilobular nodules on CT images
  21. understand how much more likely HIV-positive patients with latent tuberculosis infection are to develop active tuberculosis than HIV-negative patients
  22. be familiar with laboratory testing for active tuberculosis
  23. know the sensitivity of the smear for AFB in patients with culture-positive tuberculosis
  24. know the sensitivity of the smear for AFB in HIV-positive patients
  25. understand the features that are characteristic of inactive tuberculosis
  26. understand the appropriate initial testing for patients suspected of having latent tuberculosis
  27. know what the chest radiography report should indicate in patients suspected of having latent or inactive tuberculosis
  28. understand the factors that can cause a false-positive result with the tuberculin skin test
  29. understand the factors that can cause a false-negative result with the tuberculin skin test
  30. know how the interferon-γ release assay test works
  31. know the advantages of using the interferon-γ release assay test
  32. be familiar with the initiation phase for patients with active tuberculosis
  33. be familiar with the continuation phase for patients with active tuberculosis
  34. understand the bactericidal phase for patients with active tuberculosis
  35. know the typical treatment regimen for latent tuberculosis
  36. be familiar with the clinical features of classic nontuberculous mycobacterial disease
  37. be familiar with the clinical features of nonclassic nontuberculous mycobacterial disease
  38. know the patient population that classic nontuberculous mycobacterial disease typically affects
  39. know the patient population that nonclassic nontuberculous mycobacterial disease typically affects
  40. be familiar with the typical treatment for nontuberculous mycobacterial disease