Antropyloric muscle thickness at US in infants

What is normal?

Francis N. O'Keeffe, Susan D. Stansberry, Leonard E. Swischuk, C. Keith Hayden

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

The authors reviewed the ultrasonographic (US) images and medical records of 145 consecutive infants who were seen for evaluation of the upper gastrointestinal tract because of chronic vomiting and/or regurgitation. At US, the antropyloric muscle of each patient was measured in the midlongitudinal plane. On the basis of this measurement, the patients were divided into the following categories: group 1 (1-2 mm; 99 patients), group 2 (≥3 mm; 40 patients), and group 3 (2-<3 mm; six patients). Patients in group 1 were considered to have normal antropyloric muscle thickness, those in group 2 had abnormal thickness, and those in group 3 had muscle thickness that was not definitely normal or abnormal. The final clinical diagnoses for all of the infants in the three groups confirmed the authors' initial impressions that anropyloric muscle thickness of less than 2 mm was anatomically normal, muscle measuring 3 mm or greater was abnormal and diagnostic for pyloric stenosis, and muscle from 2 to less than 3 mm was abnornal but not specifically diagnostic for pyloric stenosis. Two of the six patients in group 3 eventually were diagnosed as having pyloric stenosis; thus, the authors believe that only those patients with antropyloric muscle less than 2 mm thick should be considered unequivocably normal.

Original languageEnglish (US)
Pages (from-to)827-830
Number of pages4
JournalRadiology
Volume178
Issue number3
StatePublished - Mar 1991

Fingerprint

Muscles
Pyloric Stenosis
Upper Gastrointestinal Tract
Vomiting
Medical Records

Keywords

  • Pylorus, 724.143
  • Pylorus, stenosis, 723.1432, 724.1431
  • Pylorus, US studies, 723.1298, 724.1298

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

O'Keeffe, F. N., Stansberry, S. D., Swischuk, L. E., & Hayden, C. K. (1991). Antropyloric muscle thickness at US in infants: What is normal? Radiology, 178(3), 827-830.

Antropyloric muscle thickness at US in infants : What is normal? / O'Keeffe, Francis N.; Stansberry, Susan D.; Swischuk, Leonard E.; Hayden, C. Keith.

In: Radiology, Vol. 178, No. 3, 03.1991, p. 827-830.

Research output: Contribution to journalArticle

O'Keeffe, FN, Stansberry, SD, Swischuk, LE & Hayden, CK 1991, 'Antropyloric muscle thickness at US in infants: What is normal?', Radiology, vol. 178, no. 3, pp. 827-830.
O'Keeffe FN, Stansberry SD, Swischuk LE, Hayden CK. Antropyloric muscle thickness at US in infants: What is normal? Radiology. 1991 Mar;178(3):827-830.
O'Keeffe, Francis N. ; Stansberry, Susan D. ; Swischuk, Leonard E. ; Hayden, C. Keith. / Antropyloric muscle thickness at US in infants : What is normal?. In: Radiology. 1991 ; Vol. 178, No. 3. pp. 827-830.
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