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SMA dissection. A 59-year-old male with known COPD presented with severe diffuse abdominal pain. a Axial plane arterial phase CT image shows a linear hypodense thin structure suggestive of an intimal flap within the SMA lumen (arrow). b Coronally reformatted post-contrast arterial phase CT image demonstrates long segment dissection (arrowheads) within the SMA with no extension into the abdominal aorta. The findings were found to be suggestive for isolated SMA dissection
