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Fig. 4B 65-year-old woman with no known history of Crohn's disease who
presented in emergency setting with right lower quadrant pain. Color Doppler
sonography image shows readily visible flow in ileal wall (I). Barely visible
color Doppler flow is seen in wall of cecum (C) and appendix (A). No other
intestinal segments were involved. Patient was treated conservatively.
Diagnosis of Crohn's disease was confirmed at posterior colonoscopy and
biopsy.