The graded compression ultrasound scan of the abdomen reveals focal thickening of the walls of the sigmoid colon. No other abnormalities are noted.
Contrast CT Abdomen
There is focal thickening of the walls of the sigmoid colon, along with multiple diverticula. The arrowhead sign is noted in association with a diverticulum. There are no abscesses, or intra-abdominal free fluid or free air.
Colonoscopy in 72 hours
You realize that colonoscopy is best postponed until later.