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RISS 인기검색어
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- 저자 : 최웅환(Oung Whan Choi) (검색결과 2 건)
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간농양 (肝膿瘍) 19예의 초음파상에 (超音波像) 관한 연구
박경남 ( Kyung Nam Park ),이동후 ( Dong Hoo Lee ),이재익 ( Jea Ik Lee ),최웅환 ( Oung Whan Choi ) 대한소화기학회 1981 대한소화기학회지 Vol.13 No.2
N/A With newly available means of diagnostic imaging, liver abscess, a potentially fatal disease, has been known to show a tendency of decreasing in incidence and its mortality by the advanced development of chemotherapy. By virtue of no-invasiveness and possibility to determine whether a lesion is cystic, complex or solid, ultrasonography has recently been advocated as a useful, safe and rapid diagnostic device for detection of liver abscess. The objective of this study was to evaluate ultrasonography in the diagncsis of liver abscess, including the visualization of site of the abscess and its characteristically diagnostic appearance. Ultrasonography of nireteen patients with proven intrahepatic abscesses seen in the past a couple of year were retrospectively investigated. Of these 19 patients, 9 were pyogenic and 8 were of amebic origin but remaining 2 were of mixed nature. Solitary lesion was notable in the majority of patients but 3 of 19 patients had multiple lesions. Ten of these 19 patients showed the lesion on the right lobe and 7 were of the left lobe; remaining 2, on the both lobes of liver. Space occupying lesion was noticed in 94.7% of ultrasonogaphy and 80% of Au-198 colloid, scans. Diagnostic accuracy by ultrasonographic examination was 78.9%. In four cases ultrasonographic diagnosis could be made in follow-up examination at two-four days intervals. In three cases the reported ultrasound diagnosis was that of hepatoma, where the final diagnosis was liver abscess. One cases were ultrasonically misinterpreted as parenchymal liver disease the multiple microabsceses of the liver did not show a remarkable evidence of abscess but diffuse alteration in hepatic texture of ultrasonogram. In an attempt to find helpful or even diagnostic pitfalls, we have demonstrated certain characteristics which could be defined as ultrasonographic features of liver abscess. Hypoechoic internal echo, poorly defined abscess wall rather than well defined one, distal acoustic reinforcement in post-posterior wall aspect of abscess and peripheral echo-free halo with accentuated echoic center so called target configuration representative conceivably of necrotic tissue debris frequently mistaken as hepatoma, were diagnostic stigma of liver abscess which revealed variable shapes of round, ovoid, ellipsoid and irregular character,
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원발성간임의 (原發性肝癌) 초음파상에 (超音波像) 관한 연구
박경남(Kyung Nam Park),이창홍(Chang Hong Lee),기춘석(Choon Suk Kee),최웅환(Oung Whan Choi),이동후(Dontg Hoo Lee),이호채(Ho Chae Lee),김순길(Soon Gill Kim),민영일(Young Il Min) 대한소화기학회 1983 대한소화기학회지 Vol.15 No.1
N/A The gray- cale ultrasonographic app arances of histopathologically proven primary hepatoma in 61 patients were evaluated retrospectively. Our study has revealed four different ultrsonographic patterns of primary hepatoma: echogenic(39.4%), sonolucent(8.2%), mixed(31.0%) and diffuse parenchymal distortion(21.3%). Of 61 primary hepatoma examined, 19 cases exhibited encapsulation. Predominantly, the marginal Contour of mass was irregular rather than smooth. Most of cases represented downward convexity of the lower edge of the liver. Both of hump and marginal irregularity on the hepatic surface were exhibited in 54.1% and 59.0% respectively. Ultrasonography makes it possible to demonstrate not only the extrinsic compression of the vascularity by the tumor mass on intrahepatic vessels, inferior vena cava, and abdominal aorta, but also extrahepatic biliary obstruction. While 40.9% of cases were found to have a cites, splenomegaly was noticed in 31.1% In fact, ultrasonography is a useful screening method for imaging primry hepatorna with pecial regard of its noninva siveness and easy application to assess the nature and extent of the lesions.
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