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

rID: 63460
Published: 8th Oct 2018
Last edited: 14th Aug 2019
System: Chest
Inclusion in quiz mode: Included

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