Intussusception Flashcards
Definition, localization, onset and complications of Intussusception
○Telescoping of intestines, proximal segment into a distal segment.
○Especially occurs at ileocecal junction, and children usually have it from Meckel diverticulum.
○ Usually occurs between age 3 months and 3 years.
○ Leads to ischemic/gangrenous bowel, perforation.
Symptoms of Intussusception
Intermittent abdominal pain due to cut off blood supply
Patient may draw legs to chest to ease the pain
Triad : Colic abdominal pain, vomiting, bloody stool.
Currant jelly stools are from the blood and mucus.
Risk factors of Intussusception
Meckel diverticulum.
Henoch-Schonlein purpura.
Celiac disease.
intestinal tumors.
Rotavirus vaccine
Recent viral infections (adenovirus).
Diagnosis of Intussusception
Target sign on ultrasound :
Outer hypoechoic (dark) ring, representing the intussuscepted bowel, and an inner hyperechoic (bright) ring, representing the mesenteric fat and vessels that have been invaginated.
Treatment of Intussusception
■ Air or saline enema: air enema is often safe and successful to reduce.
■ Surgical removal of lead point.
