Subclavian steal syndrome associated with Sjogren's syndrome: A case report

Figure 1 Results of labial gland biopsy and aortic angiography. A: Aortic angiography showing that the proximal part of the left subclavian artery was occluded, and a small ulcer of the aortic arch was formed; B: Salivary gland tissue showing chronic inflammation, including five lymphatic foci.

Figure 2 Color Doppler ultrasound of the vertebral arteries. A: Blood flow velocity of the right vertebral artery was 190 cm/s, with a resistance index of 0.85; B: The blood flow of the left vertebral artery was reversed, showing "small slow waves".

Figure 3 Color Doppler ultrasound of the upper extremity arteries. A: The right upper extremity artery is normal; B: The frequency spectrum of the left upper extremity artery is a "small slow-wave".