AJR ARRS: Your Link to CME
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Fig. 13. "Target" sign in 37-year-old man with history of acute Crohn's disease. Contrast-enhanced axial CT image shows marked circumferential thickening of terminal ileum. Target appearance is present, with enhancement of mucosa (short arrow) and outer enhancement of muscular layer (long arrow) surrounding low-attenuation edematous submucosa (arrowhead).





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