Peds-Gastrointestinal - Pyloric Stenosis
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Caption
Pyloric Stenosis 4 w/o male with forceful vomiting with each feed. Clip fans through hypertrophic pylorus measuring 14mm in diameter and channel length 24mm. It also shows a fluid filled stomach and the "antral nipple sign" - outpouching of pyloric tissue into antrum. The "Pi" π = 3.1415 mnemonic for ballpark measurement cut-offs. >3mm diameter of single muscular wall >14mm transverse diameter of pylorus >15mm channel length Lilly Bellman, MD - PEM /US fellow Harbor-UCLA