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Sonographic Anatomy of the Gastrohepatic Ligament

Department of Radiology and Biomedical Imaging, University of California, San Francisco, California USA.

Address correspondence to Roy A. Filly, MD, Department of Radiology, University of California, 505 Parnassus Ave, L374, San Francisco, CA 94143-0628 USA. E-mail: roy.filly{at}radiology.ucsf.edu

Objective. The purpose of this presentation is to illustrate anatomic and pathologic features of the gastrohepatic ligament (GHL) and to show its usefulness for precise localization of abnormalities, particularly in relation to the lesser peritoneal cavity and diseases occurring within the confines of the ligament itself. Methods. Cases were selected that illustrate the objectives above. Results. Illustrations show various anatomic and pathologic features meant to enhance interpretation of left upper quadrant sonograms. Conclusions. Illustrations seen in the sonographic literature vaguely interpret the relationships of the GHL. Misunderstanding has led not only to improper nomenclature but also to the use of inappropriate indicators of lesser omental diseases. With a clear understanding of the anatomy of the GHL and its use as a pivotal marker for structures around and within it, one can avoid these pitfalls and better evaluate adult and pediatric lesser omental anatomy.

Key Words: gastrohepatic ligament • hepatogastric ligament • lesser omentun

Abbreviations: GHL, gastrohepatic ligament • HDL, hepatoduodenal ligament • LPV, left portal vein • LV, ligamentum venosum