CT chest lung window sagittal - labeling questions

Case contributed by Dr Craig Hacking
Annotated image

Normal CT chest lung windows (with labels)

The labeled structures are (excluding the correct side):

  1. lateral costophrenic recess
  2. lateral basal segment of LLL
  3. left oblique (major) fissure
  4. posterior basal segment of LLL
  5. inferior lingular segment of LUL
  6. superior lingular segment of LUL
  7. apicoposterior segment of LUL
  8. posterior costophrenic recess
  9. anteromedial basal segment of LLL
  10. lateral basal segmental bronchus of LLL
  11. superior segment of LLL
  12. anteromedial basal segmental bronchus of LLL
  13. superior lingular segmental bronchus of LUL
  14. posterior basal segmental bronchus of LLL
  15. apicoposterior segmental bronchus of LUL
  16. anterior segmental bronchus of LUL
  17. inferior lingular segmental bronchus of LUL
  18. left lingular bronchus
  19. anterior segment of LUL
  20. superior segmental bronchus of LLL
  21. left upper lobar bronchus
  22. left lower lobar bronchus
  23. left main bronchus
  24. thoracic portion of esophagus
  25. cervical portion of trachea
  26. thoracic portion of trachea
  27. right main bronchus
  28. right upper lobar bronchus
  29. bronchus intermedius
  30. right horizontal (minor) fissure
  31. right middle lobar bronchus
  32. right lower lobar bronchus
  33. apical segmental bronchus of RUL
  34. medial basal segment of RLL
  35. posterior segmental bronchus of RUL
  36. anterior segmental bronchus of RUL
  37. medial basal segmental bronchus of RLL
  38. superior segmental bronchus of RLL
  39. medial segment of RML
  40. medial segmental bronchus of RML
  41. lateral segmental bronchus of RML
  42. superior segment of RLL
  43. lateral basal segmental bronchus of RLL
  44. posterior basal segmental bronchus of RLL
  45. anterior basal segmental bronchus of RLL
  46. posterior basal segment of RLL
  47. anterior costophrenic recess
  48. right oblique (major) fissure
  49. apical segment of RUL
  50. posterior segment of RUL
  51. anterior segment of RUL
  52. anterior basal segment of RLL
  53. right horizontal (minor) fissure
  54. lateral segment of RML
  55. right oblique (major) fissure
  56. lateral basal segment of RLL
CT

Normal CT chest lung windows (without labels)

The same normal chest CT lung windows without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. lateral costophrenic recess
  2. lateral basal segment of LLL
  3. left oblique (major) fissure
  4. posterior basal segment of LLL
  5. inferior lingular segment of LUL
  6. superior lingular segment of LUL
  7. apicoposterior segment of LUL
  8. posterior costophrenic recess
  9. anteromedial basal segment of LLL
  10. lateral basal segmental bronchus of LLL
  11. superior segment of LLL
  12. anteromedial basal segmental bronchus of LLL
  13. superior lingular segmental bronchus of LUL
  14. posterior basal segmental bronchus of LLL
  15. apicoposterior segmental bronchus of LUL
  16. anterior segmental bronchus of LUL
  17. inferior lingular segmental bronchus of LUL
  18. left lingular bronchus
  19. anterior segment of LUL
  20. superior segmental bronchus of LLL
  21. left upper lobar bronchus
  22. left lower lobar bronchus
  23. left main bronchus
  24. thoracic portion of esophagus
  25. cervical portion of trachea
  26. thoracic portion of trachea
  27. right main bronchus
  28. right upper lobar bronchus
  29. bronchus intermedius
  30. right horizontal (minor) fissure
  31. right middle lobar bronchus
  32. right lower lobar bronchus
  33. apical segmental bronchus of RUL
  34. medial basal segment of RLL
  35. posterior segmental bronchus of RUL
  36. anterior segmental bronchus of RUL
  37. medial basal segmental bronchus of RLL
  38. superior segmental bronchus of RLL
  39. medial segment of RML
  40. medial segmental bronchus of RML
  41. lateral segmental bronchus of RML
  42. superior segment of RLL
  43. lateral basal segmental bronchus of RLL
  44. posterior basal segmental bronchus of RLL
  45. anterior basal segmental bronchus of RLL
  46. posterior basal segment of RLL
  47. anterior costophrenic recess
  48. right oblique (major) fissure
  49. apical segment of RUL
  50. posterior segment of RUL
  51. anterior segment of RUL
  52. anterior basal segment of RLL
  53. right horizontal (minor) fissure
  54. lateral segment of RML
  55. right oblique (major) fissure
  56. lateral basal segment of RLL
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Case information

rID: 63461
Published: 15th Oct 2018
Last edited: 14th Aug 2019
System: Chest
Inclusion in quiz mode: Included

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