Diagnosis of Pyloric Stenosis

Clinical Presentation and Diagnosis

• The absence of a palpable mass does not exclude pyloric stenosis, and ultrasound should be performed when clinical suspicion remains high, as recommended by the American Academy of Pediatrics 1
• The American Academy of Pediatrics suggests that physical examination should be performed by an experienced examiner, ideally after gastric decompression, as a distended stomach can obscure the pyloric mass, with moderate evidence strength 2