Tracheal Stenosis

by Janice Cook-Granroth and Angie Delsing in consultation with Dr. McLennan





Patient History for Tracheal Stenosis

The patient is an fortysix year old female.




MPEG Movies of the Tracheal Stenosis

Original CT scan

Movie:
This scan starts at the neck and continues through the tracheal stenosis. There are 298 slices scanned at 1 mm apart with a 0.5mm overlap taken on the helical CT scanner. Scan date 12-18-00.

Movie:
This scan starts at the neck and continues through the tracheal stenosis. There are 359 slices scanned at 1 mm apart with a 0.5mm overlap taken on the helical CT scanner from the 01-16-01 scan.

Surface render

The airway from 12-18-00:
The trachea through the some of the bronchus is segmented out of the scan.

The airway from the 01-16-01 scan:
The trachea through the some of the bronchus is segmented out of the scan.

Volume render

The chest cavity from the 01-16-01 scan:.

Bronchoscopy

A view from a virtual scope program.This view starts in the trachea and ends at the left main bronchus.

A view from a virtual scope program.This view starts in the trachea and ends at the right main bronchus.




Measurements

Tracheal Measurements from 12-18-00 scan:
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Mon Dec 18 21:25:34 2000
Oblique slices  : 31
Segmented image : airseg,s1-205_int
Original image  : airseg,s1-205_int


Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1       3.708   2.802    1.401  (268.41,220.60,  1.15)   3.133   1.044       1.321 
    2      80.039  13.543    7.939  (267.98,215.56,  9.96)  13.575   6.555       6.555 
    3      85.273  11.675    9.340  (268.72,217.59, 16.91)  11.712   8.573       9.387 
    4      89.198  11.675    9.807  (269.81,220.35, 23.57)  11.814   9.199       9.751 
    5      93.124  11.208   10.741  (269.06,223.51, 30.07)  12.223   8.687       8.922 
    6      65.209   8.873    9.340  (268.37,224.94, 37.17)   9.929   7.702       8.262 
    7      49.506   7.939    7.005  (267.27,227.75, 43.77)   8.811   6.637       6.895 
    8      58.012   9.340    7.472  (265.36,229.16, 50.63)   9.175   7.384       7.702 
    9      53.214   8.873    7.472  (264.53,230.89, 57.67)   8.922   7.067       7.067 
   10      45.799   7.939    7.005  (263.68,232.53, 64.72)   8.275   6.231       6.505 
   11      38.820   7.005    6.538  (263.55,235.52, 71.37)   7.530   5.466       5.851 
   12      28.788   6.071    4.670  (263.42,238.22, 78.15)   6.686   4.693       5.221 
   13      21.591   5.604    4.203  (264.36,241.33, 85.15)   5.623   4.229       4.229 
   14      31.187   6.538    5.604  (262.24,241.95, 92.54)   6.686   5.158       5.643 
   15      52.778  10.274    6.071  (261.25,238.89, 99.46)   9.818   5.623       5.623 
   16      74.805  10.741    8.873  (261.15,238.88,107.09)  11.140   6.895       7.384 
   17     112.098  12.142   11.675  (261.58,241.16,113.94)  13.275   9.398       9.994 
   18     131.944  12.609   13.076  (260.95,243.48,120.76)  13.735  11.227      11.787 
   19     150.263  13.543   13.543  (260.04,245.63,127.59)  14.768  12.223      12.435 
   20     162.694  14.010   14.477  (258.82,247.13,134.55)  15.075  12.574      12.704 
   21     155.279  14.010   14.010  (257.71,249.15,141.39)  14.530  12.704      13.209 
   22     173.163  14.477   14.477  (256.75,250.24,148.46)  15.247  13.599      13.790 
   23     159.641  14.010   14.010  (254.55,252.48,154.97)  14.485  13.159      13.615 
   24     165.530  14.010   14.010  (253.31,254.25,161.86)  14.664  13.575      13.735 
   25     158.333  14.477   13.543  (251.23,256.40,168.51)  15.361  12.574      13.291 
   26     158.333  15.411   13.543  (249.66,258.06,175.43)  16.130  11.888      12.142 
   27     154.189  14.477   13.543  (247.24,260.31,181.95)  16.564  11.562      11.906 
   28     152.008  14.477   13.543  (245.61,261.77,188.92)  16.629  11.227      11.600 
   29     152.226  14.010   13.543  (244.27,263.48,196.02)  16.564  11.562      11.906 
   30     164.003  14.010   14.944  (243.14,263.75,203.35)  17.184  11.675      12.223 
   31     177.088  13.543   17.746  (242.25,264.66,210.97)  18.189  11.227      11.934 

Tracheal Measurements from 01-16-01
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Thu Jan 25 17:10:39 2001
Oblique slices  : 15
Segmented image : 3592dseg2_int
Original image  : 3592dseg2_int
Note            : Trachea

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      93.108  11.914    9.842  (275.52,239.46, 10.89)  11.925   9.509       9.842 
    2      88.279  10.878   10.878  (273.88,244.55, 22.07)  11.835   8.791       9.338 
    3      58.495   8.806    7.770  (271.07,249.10, 33.22)   9.523   6.911       7.890 
    4      56.080   8.806    7.770  (268.98,252.99, 44.76)   9.046   7.196       7.417 
    5      45.883   7.252    6.734  (269.32,258.27, 56.21)   8.190   6.259       7.648 
    6      41.590   7.252    6.734  (268.82,264.15, 67.35)   7.362   6.063       6.593 
    7      63.324   9.842    7.252  (266.30,263.50, 79.90)  10.058   6.813       6.911 
    8      99.817  10.878   11.396  (267.78,265.27, 92.51)  12.539   9.266       9.950 
    9     147.310  12.950   14.504  (266.28,270.31,103.69)  14.670  11.824      12.093 
   10     149.725  13.468   13.468  (263.88,274.14,115.19)  14.624  11.824      12.313 
   11     149.456  12.950   13.468  (262.12,276.83,127.11)  14.224  12.313      13.508 
   12     168.776  14.504   14.504  (259.39,280.21,138.67)  15.084  12.981      13.448 
   13     152.408  13.986   13.986  (255.28,284.21,149.70)  15.788  11.824      12.093 
   14     135.235  13.986   12.950  (252.83,286.45,161.69)  15.788  10.666      11.013 
   15     167.434  13.986   15.022  (250.71,289.48,173.58)  16.913  12.192      12.867 







©1994-2001 Division of Physiologic Imaging, Dept. of Radiology, Univ. of Iowa


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Last modified: Mon Feb 26 20:58:09 CST 2001