CT and FDG PET of Tracheobronchial Tree Tumors

A presentation of the many types of tracheobronchial tree tumors and their characteristics, which often differ visually and metabolically on CT and PET.

Course ID: Q00297 Category:
Modalities: , , ,


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Targeted CE per ARRT’s Discipline, Category, and Subcategory classification for enrollments starting after June 11, 2024:
[Note: Discipline-specific Targeted CE credits may be less than the total Category A credits approved for this course.]

Computed Tomography: 1.75
Procedures: 1.75
Neck and Chest: 1.75

Nuclear Medicine Technology: 2.25
Procedures: 2.25
Endocrine and Oncology Procedures: 2.25

Registered Radiologist Assistant: 2.25
Procedures: 2.25
Thoracic Section: 2.25

Radiation Therapy: 2.25
Patient Care: 1.00
Patient and Medical Record Management: 1.00
Procedures: 1.25
Treatment Sites and Tumors: 1.25


  1. Introduction
  2. Classification of Tracheobronchial Tree Tumors
  3. Primary Malignant Tumors
    1. Squamous Cell Carcinoma
    2. Adenoid Cystic Carcinoma
    3. Mucoepidermoid Carcinoma
    4. Carcinoid Tumor
    5. Sarcoma
  4. Secondary Malignant Tumors
  5. Benign Tumors
    1. Hamartoma
    2. Tracheobronchial Papillomatosis
    3. Lipoma
    4. Leiomyoma
    5. Neurogenic Tumors
    6. Other Benign Tumors
  6. Conclusions


Upon completion of this course, students will:

  1. know important characteristics of tracheobronchial tree tumors
  2. recognize the imaging modality considered the standard of diagnosis for tracheobronchial tree tumors
  3. learn the classifications of tracheobronchial tree tumors
  4. identify symptoms of primary tracheobronchial tree tumors
  5. realize how common it is to find squamous cell carcinoma in this part of the body
  6. recognize the age group of patients diagnosed with tracheobronchial squamous cell carcinoma
  7. learn the tracheobronchial tree tumor associated with habitual cigarette smoking
  8. know how much more frequently squamous cell carcinoma affects men than women
  9. identify where squamous cell carcinoma tends to form in the tracheobronchial tree
  10. learn how the SUV relates to the malignant disease process
  11. identify the most common type of lung cancer with salivary gland origin in the central airway
  12. learn which primary tracheobronchial tree tumor is as common in women as it is in men
  13. recognize the age group of patients affected by adenoid cystic carcinoma
  14. learn the authors’ recommendation for improving CT visualization of ACC
  15. recognize where ACC tends to occur in the tracheobronchial tree
  16. learn that the FDG uptake of adenoid cystic carcinoma may not allow differentiation from other bronchiogenic carcinoma
  17. recognize how rare mucoepidermoid carcinoma is in the tracheobronchial tree
  18. recognize the age group of patients affected by mucoepidermoid carcinoma
  19. identify FDG uptake characteristics of MECs
  20. realize the percentage of all carcinoid tumors that are bronchial carcinoid tumors
  21. identify the CT appearance of carcinoid tumors
  22. learn primary thoracic sarcomas that may be found in the tracheobronchial tree
  23. know the type of metastases that occur from a variety of primary malignancies
  24. recognize the percentage of all airway neoplasms that are benign tumors
  25. learn why tumors of the tracheobronchial tree can go unrecognized for months or years
  26. learn the most common benign tumor of the lung
  27. know characteristics of endobronchial hamartoma
  28. recognize the part of the body most commonly affected by tracheobronchial papillomatosis
  29. identify risk factors of malignant transformation of tracheobronchial papillomatosis
  30. define lipoma
  31. know the imaging modality sensitive to the tissue composition of tracheobronchial lipoma
  32. recognize characteristics of leiomyoma
  33. identify the common location for intrathoracic neurogenic tumors
  34. learn of research which used the SUV value to differentiate between benign and malignant neurogenic tumors
  35. realize how CT is useful in evaluating benign tumors of the tracheobronchial tree