How common are cyst in the small intestines?

Uncommon . Duplication cysts occur in small intestine more commonly in jejunum and ileum (45% of intestinal duplications) and are in tubular and cystic forms.These cysts are uncommon.Symptoms include abdominal distention, vomiting, bleeding, & a palpable abdominal mass. Complications include perforation, intussusception, & bowel obstruction.