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Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: An overview of the findings of dynamic upper limbs’ arterial and venous duplex in cases of vascular thoracic outlet syndrome

Fig. 5

ad Ultrasound images showing significant stenosis of the compressed vein segment at the costo-clavicular tunnel as evidenced by significant rise in the velocity ratio > 6.5 (13 cm/sec in neutral position seen in a reaching (90cm/sec in arm abduction and external rotation seen in b. c Color image for the axillary vein in the resting position but with abduction and external rotation (ABER) almost total cessation of flow was noted in d with peaked narrowing at the costo-clavicular outlet (white arrow)

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