根據Crawford classification的分類，thoracoabdominal aneurysm 當involve the distal half or less of the descending thoracic aorta and varying portions of the abdominal aorta時，是屬於那一型?
A. Type I
B. Type II
C. Type III
D. Type IV
E. Type V
Ans: C.
|
Classification |
Description |
Description |
|
Type 1 |
Left subclavian to suprarenal abdominal aorta |
左鎖骨下動脈到腎動脈之前 |
|
Type 2 |
(Left) Subclavian to the aortoiliac bifurcation |
左鎖骨下動脈到主髂動脈分叉處 |
|
Type 3 |
Distal thoracic aorta to the aortoiliac bifurcation |
(降)胸主動脈後段到主髂動脈分叉處 |
|
Type 4 |
Abdominal aorta below the diaphragm |
橫膈以下的副主動脈 |
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