How does hypertrophic pyloric stenosis manifest? What is involved in the imaging workup? What is the string sign in hypertrophic pyloric stenosis? What study may yield a definitive diagnosis if the ultrasound findings are equivocal? What treatment is appropriate for hypertrophic pyloric stenosis? What findings on ultrasound are diagnostic? When does this disease manifest? Who tends to be affected by hypertrophic pyloric stenosis? Book traversal links for Stomach ‹ What radiology study determines the diagnosis of malrotation? Up How does hypertrophic pyloric stenosis manifest? ›