Super perfect answer! 🎯 Exactly intussusception with Target sign. Most common in children 6 mo–3 yrs.
•In adults, usually due to a lead point (tumor, polyp, Meckel’s diverticulum)
•Complications: ischemia, perforation, peritonitis
•Management: air or contrast enema in children; surgery in adults
•US signs: “Target/Donut” (transverse), “Pseudokidney” (longitudinal)
Absolutely spot-on and high-yield for clinical review! ✅