Tracheal stenosis

by Janice Cook-Granroth in consultation with Dr. McLennan





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





Patient History for Tracheal Stenosis

The patient was a 62 year old female with tracheal stenosis at the time of the first scan (June 5, 2001).




MPEG Movies of the Tracheal Stenosis

June 2001

Sept. 2001

Original CT scan

The original trans axial section Aquillion helical data set has 338 slices. The slices are spaced 1 mm apart with an 0.5 mm overlap. Scanned on 06-05-01.

The original trans axial section Aquillion helical data set has 268 slices. The slices are spaced 1 mm apart with an 0.5 mm overlap. Scanned on 09-17-01.

Surface rendered

The trachea through the some of the bronchus is segmented out from the June 2001 scan.

The airway from the June 2001 scan:
The trachea, the tube, and some of the bronchus is segmented out.

The trachea through the some of the bronchus is segmented out from the Sept. 2001 scan.

The airway from the Sept. 2001 scan:
The trachea, the stent, and some of the bronchus is segmented out.

A surface rendering of the right lung's airway from the Sept. 2001 scan.

Volume rendered

The neck, airway, and chest from June 2001 scan.

The neck, airway, and chest from Sept. 2001 scan.

Bronchoscopy
provided by Angie Delsing

from the Sept. 2001 scan.




Measurements

Tracheal Measurements from 06-05-01 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Tue Jun  5 22:07:02 2001
Oblique slices  : 31
Segmented image : airseg.s135-338_flip_int
Original image  : airseg.s135-338_flip_int
Note            : trachea only

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1       4.770   1.638    2.730  (288.40,228.33,  0.78)   2.730   1.544       1.638 
    2      16.993   3.822    4.368  (287.05,232.06,  6.54)   4.665   3.453       3.453 
    3      17.589   4.368    4.368  (286.61,232.78, 12.86)   4.884   3.453       3.663 
    4      18.483   4.368    4.914  (286.30,233.47, 19.19)   5.034   3.663       3.975 
    5      19.079   4.368    4.914  (286.35,234.83, 25.43)   5.034   3.663       3.975 
    6      19.676   4.368    4.914  (285.71,235.93, 31.68)   5.034   3.496       3.861 
    7      16.993   3.822    4.914  (285.09,236.99, 37.95)   4.944   3.496       3.861 
    8      18.781   4.368    4.914  (285.09,238.84, 44.07)   5.034   3.663       4.502 
    9      19.378   4.368    5.460  (283.79,240.52, 50.08)   5.568   3.453       3.861 
   10      20.570   4.368    5.460  (282.94,242.12, 56.19)   5.568   3.861       4.502 
   11      20.868   4.368    5.460  (282.25,244.07, 62.23)   5.460   4.264       4.368 
   12      18.781   4.368    4.914  (281.11,245.75, 68.27)   4.944   3.861       4.402 
   13      17.887   4.368    4.914  (279.73,247.58, 74.22)   5.034   3.937       3.975 
   14      17.291   4.368    4.368  (278.13,249.24, 80.16)   4.665   3.663       4.665 
   15      18.781   4.368    4.914  (276.72,251.07, 86.10)   4.914   3.496       4.368 
   16      17.291   4.368    4.368  (275.75,253.13, 92.06)   4.502   3.937       4.502 
   17       0.149 373695949500005690000000000000000000.000  254.542  (275.18,255.57, 98.12) 
  0.000   0.000       0.000 
   18      18.185   4.368    4.914  (271.68,256.86,103.52)   5.034   3.822       3.975 
   19      16.694   4.368    4.368  (269.71,258.68,109.29)   4.502   3.453       4.502 
   20      16.396   4.368    4.368  (267.85,260.40,115.12)   4.502   3.663       3.975 
   21      16.993   4.368    4.368  (265.57,262.12,120.81)   4.502   3.663       4.502 
   22      15.800   3.822    4.368  (262.87,263.82,126.32)   4.502   3.453       3.453 
   23      14.906   3.822    4.368  (260.30,265.52,131.89)   4.502   3.276       3.453 
   24      18.483   4.368    5.460  (257.90,267.10,137.57)   5.180   3.822       4.502 
   25      20.868   5.460    5.460  (257.23,267.88,145.23)   6.177   3.089       3.496 
   26      77.510  11.466   11.466  (251.32,272.25,147.65)  11.812   6.391       7.426 
   27      75.423  10.374   11.466  (246.66,277.37,151.80)  11.723   5.804       6.104 
   28     117.160  13.104   12.558  (247.41,275.68,159.67)  13.385   8.117      11.672 
   29     121.035  12.012   12.558  (246.98,276.82,166.06)  12.355  11.401      12.355 
   30     108.812  11.466   12.558  (246.00,278.55,172.25)  12.664   9.843       9.964 
   31     107.918   9.282   14.196  (244.25,281.41,178.31)  13.813   8.736       9.675 

Measurements

Tracheal and Right Main Bronchus Measurements from 09-17-01 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Mon Sep 17 21:24:20 2001
Oblique slices  : 31
Segmented image : seg.s1-182_int
Original image  : seg.s1-182_int
Note            : trachea and rmb

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      63.723   7.434   11.151  (289.94,231.59,  2.11)  10.752   6.568       7.396 
    2      81.205  10.089   10.089  (290.46,234.98,  7.29)  11.201   8.088      10.310 
    3      76.975  10.089   10.620  (290.05,236.34, 12.97)  11.289   7.603       9.043 
    4      74.438  10.089    9.558  (289.11,238.02, 18.49)  11.364   7.377       9.136 
    5      73.028  10.089    9.558  (288.70,240.00, 23.98)  11.364   7.396       9.136 
    6      79.513  11.151   10.089  (288.12,242.19, 29.37)  11.933   8.035       9.289 
    7      81.487  10.620   10.089  (287.91,244.07, 34.90)  11.164   8.396      10.686 
    8      90.791  10.620   11.151  (287.54,245.87, 40.44)  11.933   9.274      11.201 
    9     107.991  12.213   11.682  (287.74,247.42, 46.15)  12.385  10.075      11.658 
   10     121.243  12.744   12.213  (286.61,249.06, 51.71)  13.115  10.752      12.843 
   11     135.341  13.275   12.213  (285.40,250.05, 57.39)  14.029  11.264      12.843 
   12     149.439  13.275   13.275  (283.64,251.49, 62.82)  14.139  12.430      14.019 
   13     161.282  14.337   13.806  (281.85,252.90, 68.21)  14.610  12.744      13.938 
   14     172.560  13.806   15.399  (280.23,254.03, 73.72)  15.725  13.136      14.169 
   15     182.147  13.806   16.461  (278.35,255.52, 79.06)  16.289  12.920      14.298 
   16     177.635  14.337   15.930  (276.61,256.90, 84.47)  16.245  13.275      14.059 
   17     174.534  13.806   15.930  (274.61,257.94, 89.92)  15.841  12.843      13.018 
   18     172.278  14.337   15.930  (273.57,259.40, 95.54)  16.009   9.791      10.145 
   19      46.806   7.965    7.434  (272.07,263.00,100.11)   7.983   6.653       7.453 
   20      43.422   7.434    6.903  (270.04,264.33,105.60)   7.603   6.416       6.568 
   21      47.933   7.434    7.434  (268.12,265.57,110.98)   7.658   6.903       7.377 
   22      47.087   6.903    7.434  (266.46,266.44,116.51)   7.840   6.717       7.603 
   23      41.448   7.434    6.372  (264.55,267.91,121.83)   7.222   6.372       6.717 
   24      46.524   6.903    6.903  (262.63,269.23,127.19)   7.547   6.903       7.547 
   25      42.858   7.434    6.903  (260.97,270.54,132.67)   7.396   6.394       6.717 
   26      36.937   6.372    5.841  (258.28,271.65,137.78)   6.923   5.841       6.800 
   27      34.681   6.903    5.841  (256.94,272.93,143.34)   7.084   5.415       5.544 
   28      33.271   6.372    5.841  (255.03,273.90,148.80)   6.717   5.415       5.719 
   29      30.170   6.372    5.841  (253.98,275.25,154.61)   6.394   5.230       5.865 
   30      29.606   6.372    5.310  (252.24,276.14,160.35)   6.460   5.230       5.415 
   31      33.835   7.434    6.372  (249.52,276.80,166.06)   7.222   5.009       6.054 






©1994-2005 Division of Physiologic Imaging, Dept. of Radiology, Univ. of Iowa


Tutorials | DPI Homepage | VIDA | NLM | Contact Us | Search



Last modified: Tue Sep 18 11:33:49 CDT 2001