Gastroenterology
Volume 96, Issue 2, Part 1 , Pages 433-441, February 1989

Histologic correlates of gastrointestinal ultrasound images☆

Departments of Medicine, Anesthesiology, Pathology, and Radiology, and the Center for Bioengineering, University of Washington, Seattle, Washington, USA

Received 25 April 1988; accepted 15 September 1988.

Abstract 

Endoscopic ultrasound imaging has potential for improving the diagnosis of gastrointestinal disease. However, the anatomic correlates of gastrointestinal ultrasound images have not been precisely defined. We have compared ultrasound images with the corresponding histologic sections of 81 specimens of resected and postmortem, normal and diseased gastrointestinal tissue. The five layers seen on ultrasound images of the normal gastrointestinal tract correspond to (1) superficial mucosa, (2) deep mucosa, (3) submucosa plus the acoustical interface between the submucosa and muscularis propria, (4) muscularis propria minus the acoustical interface between the submucosa and muscularis propria, and (5) serosa and subserosal fat. This interpretation takes into consideration the echoes produced by the tissue layers and the echoes produced by the interfaces between layers. Abnormal findings on ultrasound images of neoplastic and inflammatory diseases correspond to histologic tissue structure. When properly interpreted, ultrasound images of the gastrointestinal wall can provide potentially useful diagnostic information.

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☆ This study was supported by grant RO1 DK 34814 from the National Institutes of Health and an equipment grant from Advanced Technology Laboratories. Bellevue, Washington.

PII: 0016-5085(89)91568-0

Gastroenterology
Volume 96, Issue 2, Part 1 , Pages 433-441, February 1989

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