Case 8:Subglottic Tracheal Stenosis

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



Patient History

Patient is a 49 year old male with a subglottic stenosis at the time of the first exam.



Mpeg Movies
from Jan. 1998, from Sept. 1998, and from Aug. 1999

from Jan. 1998

* The original Imatron CT scan.

*Surface Display of airway and sternum.

* The bronchoscopic view.

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

from Sept. 1998

* The original Imatron CT scan.

*Surface Display of airway


from Aug. 1999

* The original Imatron CT scan.

This scan starts near the mouth and continues to the left and right main bronchus. There are 139 slices scanned at 3 mm apart with a 1.5mm overlap. Scan taken on 081399.

*Surface Display of airway

MPEG movie viewers



Measurements of the Trachea
from Jan. 1998, from Sept. 1998, and from Aug. 1999

from Jan. 1998

Tube Geometry Analysis Summary
Date            : Mon Feb  2 20:57:15 1998
Patient Id      : 96-90407-1
note            : Trachea only
Oblique slices  : 31
Segmented image : airseg6.89_int
 
Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1     270.100  23.242   17.090  (249.53,238.12, 10.86)  23.252  14.614      15.723 
    2     317.297  23.242   18.457  (247.85,237.40, 16.52)  23.402  16.633      17.212     
    3     254.212  19.824   17.090  (246.64,240.29, 21.64)  19.335  15.362      16.633 
    4     153.742  15.723   12.305  (245.65,241.23, 27.48)  15.900  11.761      12.844 
    5      52.338   9.570    6.152  (247.07,240.50, 33.19)   9.120   6.152       6.302 
    6      52.338   8.887    7.520  (247.15,241.63, 39.01)   9.788   5.880       6.485 
    7      93.460  12.988    9.570  (247.12,242.89, 44.74)  13.006   7.794       8.913 
    8     165.424  15.723   12.988  (248.11,245.32, 49.99)  15.738  11.938      13.131 
    9     226.641  17.773   15.723  (248.37,247.23, 55.41)  18.164  14.501      15.362 
   10     289.726  20.508   17.773  (247.90,250.09, 60.36)  20.610  17.131      17.144 
   11     296.736  21.191   17.773  (248.11,251.29, 65.96)  21.585  17.090      18.099 
   12     305.147  19.824   19.141  (248.06,253.25, 71.33)  20.824  17.131      17.773 
   13     292.998  19.141   18.457  (248.48,254.68, 76.84)  20.325  17.294      17.773 
   14     278.044  18.457   18.457  (249.31,256.09, 82.30)  19.431  16.925      17.428 
   15     264.025  16.406   18.457  (249.41,257.89, 87.71)  18.907  16.249      16.249 
   16     277.577  18.457   18.457  (249.56,259.58, 93.15)  19.359  17.090      17.891 
   17     256.548  17.090   18.457  (249.62,260.16, 98.83)  18.470  16.633      17.144 
   18     259.819  17.090   17.773  (249.69,261.53,104.36)  18.406  16.911      17.773 
   19     262.156  17.773   17.773  (249.78,262.99,109.86)  18.164  16.911      17.294 
   20     292.998  19.141   19.141  (249.71,264.08,115.45)  19.455  17.826      18.596 
   21     256.081  17.090   18.457  (248.78,265.29,120.99)  18.771  16.534      16.759 
   22     272.436  17.773   18.457  (248.72,267.68,126.21)  19.871  16.534      17.428 
   23     278.044  19.824   17.773  (247.66,268.87,131.69)  20.290  16.534      16.884 
   24     266.829  18.457   17.773  (246.62,270.37,137.09)  20.290  15.900      16.306 
   25     246.735  17.773   17.090  (245.44,272.48,142.32)  19.824  15.008      15.959 
   26     283.184  19.824   17.773  (244.77,273.94,147.85)  20.791  16.090      16.814 
   27     285.053  19.141   18.457  (244.90,274.15,153.60)  20.302  16.548      16.925 
   28     310.288  19.824   19.824  (244.80,275.06,159.28)  20.836  17.428      18.394 
   29     338.326  19.824   22.559  (245.67,275.64,164.98)  22.392  17.468      18.907 
   30     364.962  19.141   24.609  (246.50,275.74,170.70)  24.761  16.647      17.144 
   31     453.282  21.191   31.445  (249.15,277.49,177.18)  32.216  14.677      15.588


from Sept. 1998

Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1     236.921  21.191   15.039  (233.42,261.18,  5.46)  21.367  12.988      13.060 
    2     282.717  21.191   17.090  (232.85,261.65, 11.31)  21.367  16.003      16.633 
    3     253.277  19.824   16.406  (231.86,264.16, 16.52)  19.455  15.286      16.003 
    4     138.321  13.672   12.988  (231.74,266.33, 21.95)  14.630  11.621      11.641 
    5      42.057   6.836    6.836  (233.27,266.13, 27.88)   7.734   5.511       6.302 
    6      31.776   6.152    5.469  (232.35,267.60, 33.76)   6.302   5.339       5.637 
    7      51.870   8.887    6.836  (234.01,269.23, 39.38)   9.521   6.302       6.733 
    8     138.321  14.355   11.621  (234.92,273.12, 43.97)  15.178  11.128      11.641 
    9     217.295  17.090   15.723  (235.33,275.83, 49.13)  17.734  14.630      15.286 
   10     263.558  18.457   17.773  (235.30,279.33, 53.80)  18.808  16.520      17.522 
   11     279.913  19.141   18.457  (236.63,281.74, 58.94)  19.335  17.131      18.368 
   12     281.782  18.457   18.457  (237.42,284.14, 64.18)  19.347  17.104      17.826 
   13     272.436  18.457   17.773  (238.28,286.34, 69.48)  19.575  16.647      16.814 
   14     289.259  18.457   19.141  (239.58,288.21, 74.81)  20.302  17.509      17.891 
   15     252.342  17.090   17.773  (240.18,290.00, 80.29)  18.343  16.249      17.131 
   16     250.006  16.406   18.457  (241.15,292.26, 85.54)  18.508  16.090      16.463 
   17     257.015  18.457   17.090  (241.26,293.57, 91.17)  18.808  16.520      17.294 
   18     257.015  17.773   17.090  (241.95,294.89, 96.75)  18.241  16.884      17.575 
   19     236.454  17.090   17.090  (242.05,296.15,102.42)  17.522  16.003      16.884 
   20     251.408  17.090   17.090  (242.83,298.46,107.69)  17.944  16.463      16.647 
   21     259.819  17.773   17.773  (242.93,299.42,113.43)  18.406  16.647      16.884 
   22     262.156  18.457   18.457  (243.55,300.10,119.18)  18.571  16.435      17.212 
   23     246.735  17.773   17.090  (242.37,302.10,124.58)  18.343  15.944      16.206 
   24     262.623  17.773   17.090  (242.87,304.43,129.96)  19.431  16.206      16.548 
   25     264.025  19.141   17.090  (241.74,305.80,135.48)  20.186  15.900      15.944 
   26     252.342  18.457   17.090  (241.23,307.45,141.01)  19.551  15.603      16.133 
   27     255.146  17.773   17.773  (240.68,308.63,146.66)  19.153  15.738      16.689 
   28     289.726  19.824   18.457  (240.97,310.39,152.19)  20.791  16.689      17.131 
   29     291.128  19.141   19.141  (241.35,309.92,158.09)  20.869  16.435      17.253 
   30     307.017  17.773   21.191  (242.46,310.26,163.90)  22.013  15.900      16.689 
   31     361.691  18.457   25.293  (243.09,311.60,169.81)  25.733  15.618      16.435


from Aug. 1999

Tube Geometry Analysis Summary
Date            : Fri Aug 13 19:18:21 1999
Oblique slices  : 31
Segmented image : airseg.s16-99_int
Note            : trachea only
 
 
Slice Area [mm^2] AP [mm] Lat [mm]               Position   Major   Minor  Orthogonal
    1       0.467   0.000    0.000  (272.95,192.23, 10.32)   0.000   0.000       0.000 
    2     186.920  21.191   12.988  (271.90,205.70, 11.64)  21.290  10.435      11.023 
    3     275.707  21.191   17.090  (271.61,208.20, 17.41)  21.585  15.132      16.759 
    4     238.791  19.141   16.406  (270.62,209.90, 23.39)  19.455  14.992      15.782 
    5     109.348  12.305   11.621  (271.17,210.26, 29.65)  13.131   9.197       9.298 
    6      39.721   7.520    6.152  (271.26,211.06, 35.88)   7.551   5.511       6.190 
    7      38.786   6.836    6.836  (270.98,212.52, 42.08)   6.971   5.511       6.971 
    8      73.366  10.938    8.203  (272.79,213.55, 48.10)  11.023   7.551       7.643 
    9     147.667  15.039   12.988  (272.92,216.09, 53.84)  16.017  11.315      12.716 
   10     214.024  16.406   15.723  (272.17,219.77, 58.88)  16.980  14.788      16.017 
   11     257.483  17.773   17.090  (271.79,223.60, 63.81)  18.671  16.435      17.144 
   12     266.361  18.457   17.773  (272.17,226.87, 69.14)  19.250  16.689      17.294 
   13     270.100  18.457   17.773  (272.52,229.93, 74.55)  18.957  16.925      17.428 
   14     282.717  18.457   19.141  (273.04,232.67, 80.12)  19.718  17.144      18.202 
   15     261.688  17.773   17.773  (273.75,235.94, 85.39)  18.470  16.463      17.509 
   16     242.529  16.406   18.457  (274.15,238.53, 91.06)  18.571  15.588      15.856 
   17     261.688  16.406   18.457  (274.68,240.82, 96.78)  18.994  16.090      17.131 
   18     235.520  15.723   17.090  (274.18,242.92,102.58)  17.773  15.723      16.249 
   19     228.043  15.723   17.090  (274.22,245.30,108.28)  18.202  15.055      15.362 
   20     247.669  17.090   17.090  (274.68,247.23,114.13)  18.047  16.435      17.090 
   21     251.875  17.773   17.090  (275.13,248.22,120.28)  18.241  16.435      16.759 
   22     238.323  16.406   17.773  (275.36,250.49,126.10)  18.164  15.618      16.003 
   23     245.333  17.773   17.090  (274.19,253.27,131.57)  18.047  15.944      16.520 
   24     260.286  17.773   17.090  (273.38,254.82,137.57)  19.718  16.249      16.884 
   25     228.043  17.090   16.406  (272.66,257.52,143.13)  18.368  14.677      14.992 
   26     250.940  17.773   17.090  (271.94,259.99,148.81)  19.347  15.900      16.534 
   27     278.979  19.141   17.773  (272.07,260.90,154.97)  19.871  16.911      17.131 
   28     285.988  18.457   19.141  (272.02,262.12,161.08)  19.965  17.131      18.047 
   29     304.213  19.141   20.508  (272.37,263.23,167.27)  20.519  17.090      18.771 
   30     360.289  19.141   24.609  (273.03,263.26,173.55)  24.761  16.435      17.212 
   31     358.420  17.773   30.078  (272.38,265.30,179.47)  30.518  12.229      12.771




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


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Last modified: Mon Aug 16 09:25:53 CDT