Preschooler with a purpuric skin rash and abdominal pain

Small bowel follow through of Henoch-Schonlein purpura
AXR AP (left) and spot image of the terminal ileum (right) from a small bowel follow through show bowel wall fold thickening (thumbprinting) throughout the jejunum and ileum.

The diagnosis was Henoch-Schonlein purpura.