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Journal of Ultrasound in Medicine, Vol 6, Issue 7 373-375, Copyright © 1987 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

The "coffee bean" sign in periappendiceal and peridiverticular abscess

L. Machan, M. S. Pon, B. J. Wood and A. D. Wong

Four cases of right lower quadrant abscess, each a clinical diagnostic dilemma, were recognized as abscesses surrounding a perforated viscus by application of the "coffee bean" sign on sonographic examination. The appearance in the right lower quadrant of a brightly echogenic finger-like projection extending into a cystic mass, with or without scattered internal echoes, should suggest the possibility of periappendiceal or diverticular abscess.




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Copyright © 1987 by the American Institute of Ultrasound in Medicine.