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KMID : 0381219930250040284
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Journal of RIMSK
1993 Volume.25 No. 4 p.284 ~ p.287
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Delayed Clearance of Residual Stone Fragments after Biliary Lithotripsy: Radiological Evaluation
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왕치형
김영구/김건상/김양수/이종익
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Abstract
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The authors retrospectively reviewed the medical records of 81 pstients who underwent extracorporeal shock wave lithotripsy(ESWL) for gallbladder stones. Fifteen patients(19%) were free of stones within 6 months(group A) Fourteen patients(17%)
were
free
of stones between 6 months and l year(group B) Fifty two patients(64%) still had residual fragments l year after ESWL(group C). Size, number, sonographic characteristics, calcification of stones, septation/fold or gallbladder, fragementation
patterns
after ESWL were reviewed on sonography and oral cholecystography to detect the differences in the above findings between the group C and group A & B.
Size patients with delayed. Clearance of fragments(group C) had significantly higher frequencies in sonographic characteristics of non-cholesterol stones, calcified stones, septation/fold of gallbladder, and larger fragments after ESWL than those
of
well passed fragment group(group A & B).
These date indicate that sonographic characteristics, calcification of stones and septation/fold of gallbladder should in the selection of patiente elligible for ESWL, and fragmentation patterns after ESWL may be helpful in prediction of the
outcome of
ESWL.
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KEYWORD
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