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Category Radiology

Hypertrophic Pyloric Stenosis

KEY FACTS Terminology Hypertrophic pyloric stenosis (HPS): Idiopathic pyloric muscle thickening in young infants → progressive gastric outlet obstruction Imaging Near complete gastric outlet obstruction due to abnormally elongated & thickened pyloric muscle Pylorus fails to relax/open → minimal gastric…

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…

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…