📌 Intussusception – Radiologist Overview | Emergency GI Condition Intussusception is a telescoping of one segment of the intestine into another, most commonly seen in children but can also occur in adults due to a pathological lead point. As radiologists, early detection is critical, because untreated cases may lead to bowel obstruction, ischemia, and perforation. On imaging: 🔹 Ultrasound is the first-line modality—showing the classic “Target Sign / Doughnut Sign” on transverse view and “Pseud