Case 5:Tracheal Stenosis

by Janice Cook-Granroth, Geoffrey McLennan, M.D., and Scott Graham, M.D.


Patient History

This is a fifty year old male with a tumor next to his trachea.


Mpeg Movies

* The original Imatron CT scan.

The original trans axial section Cine CT data set of tracheal stenosis of. The images are 3 mm thick.

* The trachea and tumor.

The trachea and tumor has been segmented out from the original data set.

* The trachea.

The trachea has been segmented out from the original data set.

* The bronchioscopic view.

The transversing the trachea during the patient's bronchoscope procedure.

*The reconstructed image from the measurement program.


Measurements of Cross Sectional Area


The length of the tumor is 4.5 cm.


Tube Geometry Analysis Summary

Date : Fri Jan 3 17:38:56 1997
Oblique slices : 31
Segmented image : tga.seg
Original image : 

 
Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal 
    1     240.326  21.680   14.063  ( 89.83, 34.48,  7.14)  21.688  13.010  13.489  
    2     260.239  21.094   14.648  ( 89.21, 37.30, 13.60)  21.385  14.075  14.256  
    3     276.375  21.094   15.820  ( 89.10, 40.62, 19.69)  21.224  15.246  15.335  
    4     290.108  21.094   17.578  ( 89.20, 44.88, 25.18)  21.497  16.448  17.063  
    5     298.348  19.336   18.750  ( 88.95, 48.87, 30.78)  21.232  17.588  19.131  
    6     303.498  18.750   19.336  ( 89.15, 51.98, 36.91)  20.807  17.243  19.504  
    7     275.345  19.336   18.164  ( 90.70, 54.69, 43.03)  20.980  15.722  15.939  
    8     248.909  18.164   16.406  ( 91.82, 56.97, 49.41)  21.328  13.666  13.829  
    9     220.757  20.508   14.648  ( 93.40, 58.47, 56.14)  23.113  11.256  11.557  
   10     207.024  22.852   13.477  ( 96.11, 60.54, 62.34)  24.279   9.264   9.264  
   11     197.411  22.852   13.477  ( 96.52, 63.30, 68.81)  24.088   8.963   9.264  
   12     186.081  24.023   12.305  ( 97.20, 66.53, 75.04)  24.728   8.140   8.963  
   13     180.931  24.023   11.133  ( 97.59, 70.78, 80.73)  24.477   8.224   8.389  
   14     167.542  23.438   10.547  ( 96.52, 74.34, 86.81)  24.023   7.031   7.248  
   15     173.722  22.266    9.961  ( 95.13, 79.21, 91.88)  22.882   7.817   8.531  
   16     179.901  23.438    9.961  ( 91.57, 83.24, 96.62)  22.791   7.128   9.264  
   17     179.215  23.438    8.789  ( 88.96, 86.22,102.25)  23.452   8.161   8.531  
   18     205.307  23.438   11.133  ( 86.59, 89.30,107.92)  23.909   8.224   9.264  
   19     248.566  24.023   14.648  ( 83.35, 91.60,113.67)  24.894  11.675  12.319  
   20     275.689  24.023   15.820  ( 82.33, 95.04,119.67)  24.644  12.891  13.374  
   21     295.945  23.438   15.820  ( 80.50, 97.23,125.94)  24.371  13.527  13.891  
   22     303.154  24.023   15.820  ( 79.09, 99.06,132.43)  24.894  13.679  14.412  
   23     310.021  24.023   15.820  ( 77.36,101.20,138.77)  25.168  13.716  14.160  
   24     303.498  23.438   15.820  ( 76.99,103.49,145.28)  24.420  14.172  14.973  
   25     317.917  24.023   15.820  ( 74.80,105.78,151.73)  24.031  14.256  14.648  
   26     317.574  24.023   16.992  ( 73.24,108.28,158.29)  23.554  15.246  15.335  
   27     331.307  22.852   17.578  ( 70.95,110.18,164.82)  22.882  16.779  16.911  
   28     363.923  22.266   19.336  ( 68.91,111.72,171.54)  22.979  18.202  19.827  
   29     372.162  21.094   19.922  ( 67.83,114.25,179.21)  22.822  19.345  21.994  
   30     450.440  20.508   25.781  ( 66.18,115.93,187.01)  26.237  19.416  22.822 
   31     303.841  18.750   21.094  ( 74.92,116.77,189.50)  22.111  17.033  19.193




©1994-99 Division of Physiologic Imaging, Dept. of Radiology, Univ. of Iowa


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