Chest
|
Chest
|
|
Specific Anatomic Region |
Trachea |
|
|
Application |
Virtual bronchoscopy |
|
|
Author |
Lee KS et al. |
|
|
Reference Source |
RadioGraphics 1997; 17:555-567 |
|
|
Scanner Used |
GE HiSpeed Advantage |
|
|
Injection Rate |
N/A |
|
|
Contrast Volume and Type |
None |
|
|
Area Scanned |
Depends on clinical question (i.e. bronchi vs airway) |
|
|
Scan Delay |
None |
|
|
Length of Spiral (time) |
Up to 40sec |
|
|
Slice Thickness |
3mm |
|
|
Table Speed/Pitch |
3mm/sec |
|
|
Reconstruction Interval |
1.5mm |
|
|
3D Technique Used |
Shaded surface |
|
|
Comment: This technique will have a limited scan distance of 9cm. We believe you can increase the pitch to 2 which gives you 18cm coverage, which is enough for the trachea and major airways. Newer single detector scanners can cover a larger volume and the enrite airway scanned. |
||
1A) |
1B) |
Case 1: 3D rendering demonstrating tracheal stenosis. |
2A) |
2B) |
Case 2: 3D rendering of left lower lobe pneumonia. |
3A) |
3B) |
Case 3: 3D rendering of a papilloma of the trachea. |
3C) |
3D) |
|
