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 year old female at the time of the first scan (April 2000).



MPEG Movies of the Tracheal Stenosis


Scan date 04-20-2000


Scan date 04-18-2001

Original CT scan

Movie:
The original trans axial section Aquillion helical data set has 169 slices. The slices are spaced 1 mm apart with an 0.5 mm overlap. Scanned on 04/20/00.

Movie:
The original trans axial section Aquillion helical data set has 319 slices. The slices are spaced 1 mm apart with an 0.5 mm overlap. Scanned on 04/18/01.

Surface rendered

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

The airway from the April 2001 scan:
The trachea through the some of the bronchus is segmented out.

Volume rendered

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

The head, neck, airway, and chest from April 2001 scan.

The head, neck, airway, heart, and chest from April 2001 scan.

Bronchoscopy



Measurements

Tracheal Measurements from 04-20-00 scan.
trachea measurement picture


Tube Geometry Analysis Summary
Date            : Tue May  1 18:56:00 2001
Oblique slices  : 31
Segmented image : airseg.s74-144_int
Original image  : airseg.s74-144_int
Scan date       : 4-20-2000
Note            : trachea 

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      44.519  10.447    7.077  (252.10,186.45,  6.05)  10.160   5.729       5.769 
    2      45.428  11.121    6.403  (252.08,186.02, 17.37)  11.141   5.444       6.075 
    3      57.466  12.132    7.077  (251.72,182.98, 27.94)  12.207   6.394       6.774 
    4      89.720  12.469    8.762  (251.20,181.81, 38.87)  12.474   8.432       8.768 
    5     106.187  12.469   10.447  (251.80,185.86, 48.92)  12.487  10.160      10.469 
    6      97.556  11.121   10.784  (252.79,190.64, 58.61)  11.328  10.382      10.852 
    7      86.199   9.773   10.784  (255.04,193.13, 68.96)  11.218   9.074       9.254 
    8      51.333   7.751    8.425  (255.42,195.63, 79.54)   9.074   6.196       6.939 
    9      18.171   4.718    4.718  (253.31,202.48, 87.59)   5.144   3.630       3.645 
   10      26.689   5.729    6.066  (251.56,207.51, 96.96)   7.165   4.584       5.010 
   11      41.566   6.740    7.751  (249.29,212.23,106.59)   8.344   5.275       6.196 
   12      72.230   9.773    9.436  (249.19,213.11,117.51)  11.054   7.603       9.167 
   13     106.301  11.795   11.121  (249.41,216.00,127.75)  13.421   9.917      10.789 
   14     124.472  11.795   12.806  (248.40,220.10,137.51)  14.585  10.266      11.223 
   15     132.308  12.806   12.806  (246.80,224.56,147.00)  14.897  10.657      11.054 
   16     150.025  13.480   14.491  (244.89,228.65,156.59)  15.985  11.298      11.795 
   17     149.570  12.806   14.491  (243.95,232.69,166.24)  16.183  11.463      11.503 
   18     146.958  12.806   14.491  (243.23,236.00,176.19)  15.843  11.202      11.328 
   19     140.826  11.795   14.491  (242.81,240.44,185.71)  15.258  11.263      11.503 
   20     153.432  12.469   14.828  (242.28,243.91,195.61)  15.146  11.872      12.391 
   21     158.542  13.480   14.828  (240.74,247.24,205.46)  15.384  12.591      12.965 
   22     152.182  12.806   14.491  (239.60,250.51,215.37)  14.920  12.299      12.788 
   23     150.025  13.480   13.143  (237.87,253.09,225.44)  14.061  13.021      13.585 
   24     155.476  13.480   14.154  (235.50,256.95,234.94)  14.475  12.965      13.087 
   25     144.346  12.806   13.817  (233.85,260.27,244.85)  14.471  11.853      12.057 
   26     145.028  13.480   13.480  (232.02,263.81,254.65)  14.585  12.151      12.903 
   27     133.444  12.806   12.806  (231.54,267.24,264.65)  14.554  11.054      11.478 
   28     149.003  13.817   13.143  (231.21,270.79,274.60)  15.014  12.216      13.345 
   29     161.495  13.143   14.828  (230.48,273.30,285.18)  15.524  13.008      13.263 
   30     169.445  13.143   16.176  (231.23,276.50,295.57)  16.843  12.359      12.582 
   31     165.924  12.132   16.513  (229.62,278.57,306.70)  16.924  11.121      11.771

Tracheal Measurements from 04-18-01 scan.
trachea measurement picture

Tube Geometry Analysis Summary
Date            : Fri May  4 18:23:14 2001
Oblique slices  : 31
Segmented image : airseg.s35-244_int
Original image  : 041801.8bitheadtoft
scan date       : 04-18-01
Note            : trachea only

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1      13.678   3.948    5.076  (258.08,254.41,  1.22)   5.555   2.522       2.522 
    2      41.034  10.152    5.640  (259.70,259.33,  6.85)  10.400   5.200       5.752 
    3      34.672   9.024    5.076  (259.15,258.07, 13.41)   9.302   4.512       5.200 
    4      60.756  10.152    7.332  (258.05,255.08, 19.32)  10.292   6.431       6.791 
    5      94.156  11.844    9.588  (257.71,256.42, 25.67)  11.951   9.112       9.112 
    6      96.701  11.844    9.588  (258.34,259.89, 31.13)  11.898   9.588       9.654 
    7      88.113  10.152   10.716  (259.77,263.18, 36.47)  10.775   9.302      10.214 
    8      79.524   9.024   10.716  (260.91,264.97, 42.54)  10.400   8.460       9.302 
    9      44.533   7.896    7.332  (261.08,267.35, 48.39)   8.075   5.995       6.431 
   10      27.038   5.640    6.204  (260.20,270.67, 53.69)   6.884   4.067       4.405 
   11      27.674   5.640    5.640  (258.41,273.14, 59.22)   6.884   4.295       5.321 
   12      39.444   7.332    6.204  (256.93,274.16, 65.28)   7.671   5.752       6.577 
   13      65.846   9.588    7.896  (256.59,273.88, 71.59)   9.866   7.835       8.134 
   14     103.381  11.844   10.716  (256.43,274.14, 77.91)  12.149   9.654      10.369 
   15     105.926  11.280   10.716  (255.48,275.57, 84.04)  12.984   9.850      10.168 
   16     111.334  11.280   11.280  (253.63,278.06, 89.59)  13.215   9.850      10.834 
   17     127.557  12.408   12.408  (252.76,278.91, 95.67)  14.445  10.642      11.280 
   18     127.557  11.844   12.972  (252.22,280.11,101.73)  14.379  10.849      11.572 
   19     114.833  11.280   12.408  (251.61,281.47,107.79)  13.453  10.168      10.951 
   20     103.381   9.588   11.844  (250.20,283.88,113.36)  12.787   9.302      10.775 
   21     130.101  11.844   12.972  (248.35,285.93,118.96)  13.930  10.292      10.642 
   22     132.964  12.408   13.536  (247.87,287.39,125.00)  13.827  11.420      12.175 
   23     136.145  12.972   13.536  (247.92,287.85,131.28)  13.827  11.503      12.611 
   24      95.111   9.588   11.844  (246.27,289.98,136.99)  12.382   9.094       9.387 
   25     119.286  13.536   12.972  (244.57,292.98,142.33)  13.641   9.094      10.214 
   26     116.105  11.844   12.408  (244.01,295.71,148.04)  13.653  10.168      11.195 
   27     122.149  12.972   10.716  (244.41,296.80,154.26)  13.930   9.850      10.642 
   28     103.699  10.716   11.844  (244.48,297.74,160.52)  12.787   8.918       9.181 
   29     124.057  12.972   13.536  (245.70,300.77,165.87)  14.009   9.181       9.181 
   30     124.057  11.280   14.100  (246.25,304.14,171.12)  14.456  10.354      10.893 
   31     147.278  10.152   15.228  (246.14,306.35,177.00)  16.443   9.994      11.420




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


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



Last modified: Wed May 16 15:41:15 CDT 2001