Left Main Bronchus

by Janice Cook-Granroth

Patient History for Tracheal Stenosis

The patient is a fifty-three old male.

MPEG Movies of the Tracheal Stenosis

Original CT scan

The original trans axial section EBCT data set. The 138 images are 3 mm thick with 1.5mm overlap.

Surface render

In this movie the airway is present.

Bronchoscopy

Pre-stent.

Reconstructed oblique images from original data set

The images are made from the same program that calculates the left main bronchus size (given below).

Left Main Bronchus Measurements

 Tube Geometry Analysis Summary
Date            : Thu Nov  5 17:24:31 1998
Note            : trachea slice 1-slice 6, left bronchus slice 7 - slice 31
Oblique slices  : 31
Segmented image : airwayseg.s1-70_int
 
Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      74.844  11.719    9.375  (271.08,286.72,  3.73)  13.829   6.551       6.681 
    2     139.733  11.133   15.820  (276.19,288.81,  8.66)  15.212  10.772      10.946 
    3     109.520  10.547   14.063  (274.49,291.96, 14.97)  14.472   9.153       9.699 
    4     111.580   9.961   14.063  (272.18,293.29, 21.71)  14.695   9.171       9.171 
    5      88.921   9.961   11.719  (269.86,295.07, 27.71)  13.102   7.617       7.861 
    6      78.621   8.789   10.547  (268.98,297.13, 33.99)  12.360   8.161      8.451 
    7      49.095   7.617    7.617  (270.56,298.90, 40.18)   9.978   5.800       5.800 
    8      45.319   7.617    9.375  (271.69,300.83, 46.42)   9.610   5.528       5.528 
    9      39.139   7.617    7.031  (273.41,301.21, 52.76)   8.328   4.576       5.040 
   10      41.542   7.617    7.031  (275.14,302.28, 59.01)   8.451   5.402       5.528 
   11      45.319   7.031    7.617  (276.87,302.62, 65.35)   9.115   5.528       6.681 
   12      48.065   7.031    7.617  (279.37,302.53, 71.44)   8.389   5.975       6.551 
   13      49.439   6.445    8.789  (283.88,303.73, 76.10)   8.809   6.117       6.472 
   14      37.766   6.445    7.031  (287.42,304.12, 81.66)   7.342   5.006       6.338 
   15      33.989   5.859    6.445  (291.56,304.37, 86.76)   6.681   5.273       5.402 
   16      27.809   5.273    6.445  (295.88,305.30, 91.62)   6.858   4.688       5.006 
   17      27.466   5.273    7.031  (300.89,306.38, 95.41)   6.681   4.266       4.462 
   18      26.436   5.859    5.273  (305.58,306.37, 99.74)   5.975   4.225       4.724 
   19      30.212   5.859    7.031  (310.54,306.58,103.76)   7.080   4.688       4.724 
   20      17.166   4.102    5.273  (315.27,308.17,107.75)   5.306   3.155       3.564 
   21      12.360   3.516    4.102  (319.85,310.19,111.72)   4.225   2.486       2.930 
   22      16.823   4.688    4.102  (324.82,311.37,115.54)   5.402   3.564       3.752 
   23      14.420   4.688    4.102  (330.12,313.46,118.58)   5.402   2.620       2.930 
   24      13.733   4.102    3.516  (333.96,316.54,122.76)   5.040   2.930       3.417 
   25      12.360   3.516    4.102  (338.05,318.38,127.28)   4.576   2.344       2.930 
   26       9.956   4.102    2.930  (341.97,319.62,132.14)   4.462   2.620       2.620 
   27      10.300   2.930    3.516  (346.04,319.24,137.23)   3.931   2.620       2.620 
   28      12.360   3.516    4.102  (348.58,321.38,142.86)   4.266   2.416       2.988 
   29      19.226   4.688    4.688  (351.81,323.74,148.10)   5.528   3.417       4.225 
   30      21.286   4.688    5.273  (355.11,323.82,153.82)   5.528   3.931       4.724 
   31       9.270   4.102    3.516  (359.91,325.01,158.61)   4.225   1.853       2.113