Thoracic Outlet Syndrome
Authors: Seung Hwa Lee
Male/38 Chief complaint : Gradually aggravated left hand coldness and sensation abnormality. ECG and 2D echo are normal.
Obstruction of 1
2nd and 3th digital arteries. Filling defect
Suggested to be embolus
is in radial artery.
No remarkable finding of left subclavian
Angiogram under provocation test was confirmative diagnosis tool of thoracic outlet syndrome (TOS). However, the diagnosis could be missed under usual provocation test position. Additive provocation test could be helpful and must be performed in cases that TOS is strongly suspected. We think that lateralizaton of lesions in radial artery territory of hand is one of strong clue.