Tracheal stenosis

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




Table of Contents:
Patient History
Original CT Scan
Surface Rendered Movies
Bronchoscopy
Measurements




Patient History for Tracheal Stenosis

The patient is a xx year old female with subglotic tracheal stenosis and left main bronchus stenosis.



MPEG Movies of the Tracheal Stenosis

Original CT scan

The original trans axial section Aquilion data set has 624 slices. The slices are xx mm thicked and spaced xx mm apart. Scanned in June 2004.

Surface rendered

The airway is segmented out from June 2004 scan.

Bronchoscopy

The virtual tour of the airway.
A movie of the trachea in mpg format.

Measurements

Trachea Measurements from June 2004 scan

Tube Geometry Analysis Summary
Date            : Mon Jun 21 15:38:06 2004
Oblique slices  : 31
Segmented image : airseg.s55-262_int
Original image  : airseg.s55-262_int

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      21.286  10.547    2.930  (252.93,232.49,  1.65)  10.233   1.853       1.853 
    2      73.471  11.719    8.789  (252.19,235.66,  7.40)  11.719   7.056       7.056 
    3      83.084  11.133    9.375  (251.24,237.89, 13.02)  11.512   8.286       8.531 
    4     127.716  14.648   12.305  (251.91,240.15, 18.67)  14.695  10.233      10.612 
    5     132.179  15.820   10.547  (251.67,240.99, 24.69)  15.939   9.664      10.383 
    6      98.534  10.547   10.547  (249.54,242.05, 30.30)  12.022   9.978      10.366 
    7      71.754   9.375    9.375  (250.85,243.18, 36.14)   9.752   8.286       8.451 
    8      72.441   9.961    9.375  (250.16,244.19, 42.10)  10.081   7.640       8.451 
    9      47.379   9.375    9.961  (250.75,246.76, 47.86)   9.466   2.113       4.724 
   10      81.024   8.789   11.719  (248.00,247.86, 53.46)  11.951   7.342       7.707 
   11     109.177   9.375   13.477  (247.07,247.19, 59.54)  13.791   8.789       9.096 
   12     126.343  11.719   13.477  (244.04,247.38, 64.92)  13.891   9.448      11.271 
   13     143.166  14.648   12.891  (242.48,248.27, 70.64)  14.160  11.631      12.621 
   14     157.585  15.234   14.648  (241.13,249.18, 76.41)  15.569  12.079      12.970 
   15     155.182  15.820   12.891  (239.39,250.42, 82.11)  16.089  11.951      11.951 
   16     167.542  17.578   13.477  (238.22,253.58, 87.19)  17.588  11.055      12.891 
   17     176.125  16.406   15.234  (237.54,257.93, 91.48)  16.871  10.899      11.864 
   18     223.503  19.336   16.992  (236.67,261.28, 96.56)  19.557  12.065      13.679 
   19     292.168  22.852   16.992  (234.80,263.90,101.77)  23.327  13.891      14.364 
   20     333.710  24.023   18.750  (232.72,266.95,106.66)  24.859  14.695      16.164 
   21     365.295  25.195   18.750  (230.79,269.61,111.85)  26.007  15.234      15.234 
   22     391.045  25.195   21.094  (227.97,271.68,116.90)  26.132  16.676      16.871 
   23     411.644  24.023   21.094  (226.50,273.02,122.69)  25.419  18.529      19.398 
   24     447.350  25.781   21.680  (224.96,273.98,128.54)  26.471  19.477      19.922 
   25     447.350  25.195   22.266  (224.52,274.78,134.63)  25.808  19.827      20.782 
   26     440.483  25.781   22.266  (223.26,276.04,140.52)  25.888  20.162      21.751 
   27     429.153  24.609   22.266  (222.66,277.80,146.37)  25.202  20.162      22.791 
   28     428.123  24.609   22.852  (221.87,279.28,152.28)  25.031  20.025      22.633 
   29     374.908  21.680   22.266  (220.72,279.44,159.00)  22.791  19.131      21.497 
   30     395.164  22.266   23.438  (221.22,281.57,165.47)  23.916  19.653      21.616 
   31     298.004  21.094   25.195  (222.91,288.65,166.75)  23.335  15.246      16.789

Left Main bronchus and Left Inferior bronchus Measurements from June 2004 scan

Tube Geometry Analysis Summary
Date            : Mon Jun 21 17:28:41 2004
Oblique slices  : 15
Segmented image : airseg.s263-345lmbintobl
Original image  : airseg.s263-345lmbintobl

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      11.673   7.617    2.930  ( 95.55,148.60,  2.13)   7.248   1.172       1.172 
    2      85.831  12.305   10.547  (102.00,145.84,  6.71)  13.361   7.504       7.970 
    3      77.934   9.375    9.375  (105.75,146.61, 13.56)  10.563   8.286       8.944 
    4      47.722   8.203    7.617  (111.61,146.96, 18.77)   8.328   5.859       6.681 
    5      35.019   6.445    6.445  (117.16,148.04, 24.14)   6.681   5.306       5.559 
    6      40.855   5.859    7.031  (122.22,148.63, 30.06)   7.617   5.889       6.033 
    7      32.272   5.273    7.031  (125.73,151.37, 36.55)   7.248   4.102       4.266 
    8      35.362   5.273    7.617  (130.68,154.98, 41.49)   7.640   4.724       4.724 
    9      15.106   3.516    5.273  (136.57,156.68, 46.59)   4.724   3.155       3.706 
   10       5.150   2.344    1.758  (142.66,157.83, 51.58)   2.620   1.657       1.853 
   11      14.763   4.102    3.516  (149.30,157.68, 56.06)   4.143   3.417       3.564 
   12      47.035   9.375    7.031  (156.60,156.58, 59.18)   9.961   5.241       5.241 
   13      80.338   9.375   14.648  (164.11,158.12, 61.08)  15.064   6.033       6.117 
   14     104.370   9.375   17.578  (171.23,161.20, 62.61)  17.243   7.640       8.286 
   15      70.038   8.203   14.062  (177.76,166.34, 63.57)  14.075   5.859       6.472

Right Main bronchus and Right Intermediate bronchus Measurements from June 2004 scan

Tube Geometry Analysis Summary
Date            : Mon Jun 21 18:08:42 2004
Oblique slices  : 7
Segmented image : airseg.s263-317intobl
Original image  : airseg.s263-317intobl

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      78.621  15.820    9.375  ( 89.59,141.24,  4.73)  14.660   5.241       5.306 
    2     273.972  15.820   20.508  ( 83.23,145.59,  9.51)  21.126  15.414      16.417 
    3     252.342  16.406   19.922  ( 81.61,145.18, 17.67)  19.956  14.269      16.448 
    4     208.740  15.820   18.164  ( 78.15,144.47, 25.21)  18.249  14.412      15.279 
    5      97.847   9.961   11.719  ( 77.40,146.05, 33.53)  11.864   8.711       9.752 
    6      11.673   5.273    2.930  ( 73.62,146.83, 41.12)   5.006   2.416     	 2.620 
    7      20.256   5.273    5.273  ( 64.15,145.88, 43.05)   7.056   3.155       4.143




©1994-2004 Division of Physiologic Imaging, Dept. of Radiology, Univ. of Iowa


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Last modified: Tue Sep 17 16:41:10 CDT 2002