Figure 2.

One patient presented with purpuric coloration in all the fingers, together with a necrotic injury on the fifth finger of the left hand (up, left). After 6 h of treatment, there was a significant improvement in color (up, right). Two patients presented with a significant limitation in the flexion and extension of the second finger in both hands (down, left). Half an hour after infiltration of the left hand, the fingers had full movement, accompanied by a total absence of pain and improved color (down, right)