Imaging in Pediatrics

Necrotizing Enterocolitis

KEY FACTS Terminology Necrotizing enterocolitis (NEC): Life-threatening condition of neonatal GI tract characterized by inflammation, ischemia, & translocation of bacteria into bowel wall Imaging Diagnosis based on clinical & imaging findings Mainstay of imaging for suspected NEC: Radiography Findings range from…

Anorectal Malformation

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Hirschsprung Disease

KEY FACTS Terminology Congenital disorder of enteric nervous system: Absence of ganglion cells in intestinal myenteric & submucosal plexus Lack of peristalsis → functional bowel obstruction Aganglionic segment extends retrograde from anus for variable length with gradual transition to normal…

Meconium Ileus

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Jejunoileal Atresia

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Duodenal Web

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Midgut Volvulus

KEY FACTS Terminology Ligament of Treitz: Suspends duodenojejunal junction (DJJ), defines normal duodenal rotation Malrotation: Abnormal rotation & fixation of small bowel (SB) mesentery that can lead to complications Bowel obstruction by Ladd bands Midgut volvulus (MV) due to short…

Malrotation

KEY FACTS Terminology Malrotation: Any abnormal rotation of small or large bowel, which rotate separately during development Malfixation: Abnormal position or length of bowel fixation by mesentery, typically associated with malrotation Short mesenteric fixation predisposes to midgut volvulus [twisting of…