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 xx year old male with tracheal stenosis at the time of the first scan (Feb. 2000).



MPEG Movies of the Tracheal Stenosis


Scan date 02-08-2000


Scan date 11-xx-2000

Original CT scan

Movie:
The original trans axial section Aquillion helical data set has 139 slices. The slices are spaced 3 mm apart with an 1.5 mm overlap. Scanned on 02/08/00.

Movie:
The original trans axial section Aquillion helical data set has 626 slices. The slices are spaced 1.3 mm apart with an 0.6 mm overlap. Scanned on 11/xx/00.

Surface rendered

The airway from the Feb. 2000 scan:
The trachea through the some of the bronchus is segmented out.

The airway from the Nov. 2000 scan:
The trachea through the some of the bronchus is segmented out.

Volume rendered

The neck, airway, and chest from Feb. 2000 scan.

The head, neck, airway, and chest from Nov. 2000 scan.

Bronchoscopy



Measurements

Tracheal Measurements from 02-08-00 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Wed Feb  9 22:48:03 2000
Oblique slices  : 31
Segmented image : airseg_int
Original image  : 020800
Note            : trachea only

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      35.701  15.233    3.515  (255.80,237.43,  4.67)  15.278   1.758       1.758 
    2      50.119  11.718    5.273  (255.87,241.98, 10.86)  11.718   4.831       5.273 
    3      47.029   8.788    5.859  (256.61,243.87, 17.95)   8.866   5.888       5.888 
    4      51.492   8.788    6.445  (257.50,246.47, 24.80)   9.466   5.888       6.551 
    5      49.089   8.788    6.445  (258.47,250.02, 31.21)   8.808   6.471       6.471 
    6      44.970   8.788    5.859  (258.20,252.78, 38.06)   9.264   5.306       5.558 
    7     106.760  12.304    9.374  (259.02,255.24, 44.96)  12.863   8.808      10.249 
    8     126.670  13.476    9.960  (259.48,258.51, 51.55)  14.683   9.978      10.756 
    9     156.535  15.819   11.718  (259.76,261.73, 58.17)  16.509  10.546      11.791 
   10     179.878  16.991   12.304  (260.15,265.11, 64.70)  17.819  12.079      12.580 
   11     212.146  17.577   14.062  (260.71,268.43, 71.27)  18.895  13.678      14.471 
   12     217.639  18.749   14.648  (261.84,271.50, 77.87)  18.895  14.256      14.753 
   13     226.221  18.163   15.233  (262.65,274.24, 84.69)  18.895  14.753      15.479 
   14     224.161  16.405   16.405  (263.84,276.28, 91.69)  17.112  15.413      16.654 
   15     215.236  15.233   16.405  (263.67,278.59, 98.71)  17.577  14.648      15.468 
   16     226.221  15.819   16.991  (263.94,280.49,105.84)  18.528  14.159      15.120 
   17     229.310  15.819   17.577  (265.17,281.40,113.14)  19.344  14.268      15.120 
   18     203.564  14.062   16.405  (263.96,282.86,120.36)  17.082  13.488      13.927 
   19     232.743  15.819   16.991  (263.13,284.57,127.50)  18.528  15.018      16.416 
   20     234.116  15.819   16.991  (263.13,285.23,134.86)  18.248  14.938      16.991 
   21     200.132  14.648   15.819  (263.17,285.30,142.44)  17.858  13.678      14.938 
   22     229.310  15.819   16.405  (261.57,287.86,149.40)  18.758  15.018      16.654 
   23     229.997  15.819   16.405  (260.35,288.98,157.03)  19.076  15.018      16.163 
   24     228.280  15.819   16.405  (263.12,287.51,164.18)  18.648  14.822      16.163 
   25     200.132  15.819   15.233  (261.05,289.55,171.17)  19.129  13.488      14.183 
   26     213.176  15.233   15.819  (259.59,291.42,178.36)  17.935  14.822      15.830 
   27     209.743  15.819   14.648  (260.95,291.18,185.81)  17.713  14.159      15.120 
   28     219.355  14.648   16.991  (261.72,291.57,193.33)  18.528  14.062      15.601 
   29     232.056  15.233   17.577  (260.27,293.95,200.44)  18.172  14.062      15.233 
   30     268.787  14.648   21.092  (259.33,294.65,207.98)  21.222  13.590      13.590 
   31     285.265  12.890   28.709  (259.60,295.93,215.77)  28.733   9.960      13.166

Tracheal Measurements from 11-xx-00 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Wed May 16 22:14:58 2001
Oblique slices  : 31
Segmented image : segchulhos95-340seg_int
Original image  : 1100-8bit
Note            : trachea from nov 2000

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      45.328  12.988    4.102  (227.66,222.03,  3.38)  12.988   3.057       3.418 
    2      22.898  15.039    1.367  (227.53,224.63, 10.37)   0.000   0.000       0.000 
    3      40.188  14.355    3.418  (226.99,225.78, 17.64)  14.372   2.162       2.051 
    4      46.263   8.887    5.469  (227.39,229.52, 23.99)   8.991   5.511       5.511 
    5      49.534   8.203    6.152  (228.27,229.25, 31.22)   8.456   6.114       6.485 
    6      52.338   9.570    6.152  (228.57,230.64, 38.37)   9.595   6.190       6.190 
    7      49.067   7.520    6.836  (228.44,233.07, 45.19)   7.794   6.449       7.267 
    8      95.329  11.621    9.570  (228.77,234.91, 52.19)  11.761   8.456       9.859 
    9     109.816  12.988    9.570  (228.78,238.12, 58.64)  12.988   9.570       9.570 
   10     144.396  13.672   11.621  (228.66,241.06, 65.21)  15.055  11.315      12.605 
   11     150.471  12.988   12.305  (228.36,244.94, 71.32)  15.468  11.681      13.060 
   12     157.480  12.305   14.355  (229.67,248.54, 77.47)  16.463  10.959      12.568 
   13     171.499  12.988   16.406  (230.37,252.07, 83.71)  17.253  11.128      12.324 
   14     179.443  12.305   15.723  (230.63,255.64, 89.96)  16.306  12.305      13.842 
   15     186.920  12.305   16.406  (230.80,259.86, 95.86)  17.144  11.641      13.465 
   16     206.079  13.672   17.090  (229.66,263.01,102.29)  19.718  11.801      13.273 
   17     199.070  12.988   16.406  (230.65,265.57,108.97)  17.428  12.970      13.465 
   18     196.266  12.988   17.090  (229.66,267.67,115.81)  17.468  11.801      13.149 
   19     210.752  14.355   16.406  (228.20,269.87,122.59)  17.641  13.621      15.178 
   20     228.977  15.723   17.773  (228.62,270.27,129.84)  19.718  14.355      15.738 
   21     225.239  15.039   16.406  (230.46,272.01,136.61)  17.428  15.039      16.463 
   22     222.435  15.039   17.773  (230.45,274.32,143.46)  18.994  13.825      15.362 
   23     218.229  15.039   17.773  (229.30,275.47,150.68)  18.343  13.621      15.286 
   24     202.341  13.672   17.090  (231.65,275.56,157.69)  17.826  13.060      15.178 
   25     207.481  15.039   15.723  (229.40,277.36,164.82)  17.401  13.273      15.959 
   26     216.360  14.355   17.090  (232.82,278.45,171.62)  18.771  12.988      15.738 
   27     236.921  15.039   18.457  (234.05,279.79,178.66)  19.262  14.093      14.677 
   28     225.706  14.355   19.141  (232.49,281.29,185.61)  19.299  12.324      14.093 
   29     263.090  15.039   20.508  (235.32,281.51,192.33)  20.869  13.740      15.738 
   30     290.194  15.723   22.559  (235.68,283.01,199.45)  22.548  15.178      16.090 
   31     328.045  15.723   25.293  (236.09,283.12,206.91)  24.883  14.420      15.362

Left Main Bronchus Measurements from 11-xx-00 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Thu May 17 21:55:45 2001
Oblique slices  : 7
Segmented image : segchulhos341-400_int
Original image  : 1100-8bit
Note            : lmb

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1     103.273  10.938   11.621  (252.01,285.03,  4.52)  12.324   9.298      11.044 
    2      78.506   8.203   11.621  (256.45,285.42, 10.05)  12.113   7.137       7.794 
    3     103.273  10.938   11.621  (   NaN,   NaN,   NaN)   0.000   0.000       0.000 
    4      24.767   5.469    5.469  (267.30,287.99, 18.52)   5.880   3.867       3.986 
    5      50.001   8.203    7.520  (273.85,287.49, 20.70)   8.565   5.841       6.836 
    6      72.899   8.887   10.254  (279.93,287.70, 24.00)  10.345   7.520       8.913 
    7      78.974  10.254   10.254  (285.90,287.37, 28.07)  10.412   8.232       8.887





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


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Last modified: Mon May 21 10:05:13 CDT 2001