Acquired narrowing of the pyloric canal due to progressive hypertrophy of pyloric muscle leading to obstruction, usually occurs in the first 2-12 weeks of life
Synonym(s): infantile h...
Nonbilious projectile vomiting after feeding, increasing in frequency and severity
Emesis may become blood-tinged from gastric irritation.
Hunger due to inadequate nutrition
Excessive cr...
Treat dehydration and alkalosis before surgery.
Preoperative antibiotics (cefazolin 30 mg/kg or clindamycin 10 mg/kg IV) for infection prophylaxis
Usually no need for preoperat...
Routine pediatric health maintenance
Postoperative monitoring, including moni...
Ein SH, Masiakos PT, Ein A. The ins and outs of pyloromyotomy: what we have learned in 35 years. Pediatr Surg Int. 2014; 30(5): 467– 480. [View A...
48644003 Congenital hypertrophic pyloric stenosis
204671009 Congenital pyloric stenosis
Pyloric stenosis is the most common condition requiring surgical intervention in the 1st year of life.
The condition classically presents between 1 and 5 months of life, with projectile...
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FIGURE 118.10. Hypertrophic pyloric stenosis. Ultrasonography of the abdomen shows thick pyloric muscle surrounding a centered echogenic mucosal and submucosal region <italic>(arrows).</bold>
FIGURE 118.10. Hypertrophic pyloric stenosis. Ultrasonography of the abdomen shows thick pyloric muscle surrounding a centered echogenic m...
<bold>Figure 8.69. Pyloric stenosis</bold>. Ultrasound examination of the pyloric region shows a narrowed lumen (<i>L</i>) and thickening of the wall of the pylorus (<i>sonolucent area between the white</i> ×<i> s</i> and +<i> s</i>).
<bold>Figure 8.69. Pyloric stenosis</bold>. Ultrasound examination of the pyloric region shows a narrowed lumen (<i>L...
pyloric stenosis: (A) normal passage through pyloric spincter, (B) stoppage of flow due to stenotic sphincter
<bold>FIGURE 110.37</bold> Infantile hypertrophic pyloric stenosis demonstrated by barium upper gastrointestinal series showing pyloric channel narrowing (N) and elongation with antral shouldering or cushioning (<italic>arrows</bold>).
<bold>FIGURE 110.37</bold> Infantile hypertrophic pyloric stenosis demonstrated by barium upper gastrointestinal series showin...
FIG. 1.11. A 6-week-old infant with a 1-week history of vomiting. A supine radiograph demonstrates a dilated gastric air bubble with the "caterpillar sign" suggesting active peristalsis.
FIG. 1.11. A 6-week-old infant with a 1-week history of vomiting. A supine radiograph demonstrates a dilated gastric air bubble with the "c...