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Clinical Pediatrics, Vol. 32, No. 5, 281-283 (1993)
DOI: 10.1177/000992289303200505

The Value of Ultrasound in the Diagnosis of Congenital Hypertrophic Pyloric Stenosis

Marcos Kovalivker, M.D.

Department of Pediatric Surgery, Sapir Medical Center, Meir Hospital, Kfar-Saba 44281, Israel

Ilan Erez, M.D.

Department of Pediatric Surgery, Israel Sackler School of Medicine Tel Aviv University Tel Aviv, Israel

Nina Shneider, M.D.

Department of Radiology Sapir Medical Center Meir Hospital Kfar-Saba, Israel Sackler School of Medicine Tel Aviv University Tel Aviv, Israel

Ernesto Glazer, M.D.

Department of Radiology Sapir Medical Center Meir Hospital Kfar-Saba, Israel Sackler School of Medicine Tel Aviv University Tel Aviv, Israel

Ludwig Lazar, M.D.

Department of Pediatric Surgery, Israel Sackler School of Medicine Tel Aviv University Tel Aviv, Israel

The charts of 103 children with a clinically and surgically confirmed diagnosis of congenital hypertrophic pyloric stenosis were retrospectively reviewed. We found a significant correlation between sonographic and surgical measurements of the muscular thickness of the pylorus (r = .987, P<.001). In 73.7% (76 cases), the clinical picture of gastric outlet obstruction was present when the thickness of the enlarged pyloric muscle was 3.0 mm or more. In 26.3% (27 cases), the pyloric muscle was less than 3.0 mm wide. For 10 patients in whom the muscle width was less than 2.5 mm by sonography, a barium meal was necessary to confirm the diagnosis. The width of the pyloric muscle is the most important factor in the sonographic diagnosis of pyloric stenosis, and even a width of less than 3.0 mm may be associated with clinically significant obstruction.


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Home page
 J Ultrasound MedHome page
K. Muramori, A. Nagasaki, and T. Kawanami
Ultrasonographic Serial Measurements of the Morphologic Resolution of the Pylorus After Ramstedt Pyloromyotomy for Infantile Hypertrophic Pyloric Stenosis
J. Ultrasound Med., December 1, 2007; 26(12): 1681 - 1687.
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