The quadratus lumborum muscle: A possibl
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Peter W. Callen; Roy A. Filly; William M. Marks
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Article
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1979
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John Wiley and Sons
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English
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## Abstract The quadratus lumborum muscle has been noted to appear as a hypoechoic structure on sonograms of the abdomen. On occasion its appearance may simulate a pathologic fluid collection such as an abscess or retroperitoneal hematoma. Illustrative examples of this confusing appearance, as well