case_images: PMC3335460_01
case_images: Longitudinal sonographic image of a left ulnar artery in a patient with hypothenar hammer syndrome. The artery appeared thrombosed and thicker with a "triple ring aspect" of its wall.
case_images: PSI2010-343820.001.jpg
case_images: PMC3335460_01_PSI2010-343820.001.jpg
case_images: fig1
case_images: The artery appeared thrombosed and thicker with a "triple ring aspect" of its wall (Figure 1).