1. 3A: Variant Airway Anatomy
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2. Epiglottis Thin tongue-like Thick Omega-shaped 5/26/17
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3. Cartilage protuberance trachea
Patient without respiratory symptoms
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4. Lobar and segmental anatomy
From Oho and Matsukawa
Left
Right
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5. Enlarged arytenoids
Open Closed
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6. Airway secretions Airway secretions are usually clear and frothy.
Cricoid cartilage (superior aspect)
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7. Small, round cricoid region in woman of small stature
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8. Also seen in the airway wall
Anthrocotic pigment
Bronchial glands/ mucosal pits
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9. Enlarged bronchial pits
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10. Mucosal swelling Anterior swelling Swelling on spur
Biopsies all normal. No subsequent pathology noted
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11. Prominent longitudinal elastic bundles
Posterior wall of bronchus
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12. Anthrocosis With hyperemia With stenosis and edema 5/26/17
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13. Tracheal cartilage variants
Saber sheath Bony protuberance
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14. More tracheal variants
V-shaped trachea
U-shaped trachea
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15. Cartilaginous spur Left main bronchus
With pale overlying mucosa
The Patient had bronchitis
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16. Tracheal bronchus
Tracheal bronchus orifice is almost two centimeters above the main carina, along Right lateroposterior tracheal wall.
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17. Tracheal bronchus
Tracheal bronchus orifice at level of carina and at entrance to the Right main bronchus
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18. Carina shapes
Normal, but different. Note slight infolding (normal during expiration) in photo B A B C
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19. Normal variants of Right upper lobe segmental bronchial anatomy
Box-like Quadripartite upper lobe
Linear quadripartite configuratlion RUL
Pyramid-like Quadripartite RUL upper lobe
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20. Right middle lobe bronchus variant
Immediate bipartite configuration medial segment of RML bronchus
Lateral segment RML bronchus
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21. Right lower lobe bronchus variant
Small medial basal segment RB7)
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22. Bipartite variants Right upper lobe bronchus Right lower lobe bronchus
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23. Subapical segment of the Right lower lobe bronchus
Mediobasal segment
Superior segment
Subapical segment
Middle lobe bronchus
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24. Left lower lobe bronchus with right sided configuration
Left lower lobe basal pyramid
Medial basal segment LB 7
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25. Linear configuration of left lower lobe basal segments
LB 6
LB 10
LB 8
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26. BRONCHATLAS©
Step by Step©
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This presentation is part of a multidimensional competency-oriented curriculum for Flexible Bronchoscopy.
Our goal is to eliminate patient suffering caused by unequal physician expertise and on-the-job training.
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Bronchoscopy International: BronchAtlas©, an Electronic On-Line Multimedia Slide Presentation. Published (Please add “Date Accessed”).
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