Department of Diagnostic Radiology, Korea University College of Medicine
ABSTRACT
PURPOSE : To evaluate the significance of focal bulging of hepatic contour on the differentiation ofsubcapsular hemangioma from hepatocellular carcinoma. MATERIAL & METHODS : Sonographic findings of 19 subcapsularhemangiomas and 19 HCCs were retrospectively evaluated for the presence of focal bulging of hepatic contour. Thehemangioma group consisted of ten male and nine female patients aged 26∼60 (mean, 45.8) years. The HCC groupconsisted of eleven male and eight female patients aged 43∼72 (mean, 56.1) years. RESULTS : Eighteen hemangiomaswere located in the right lobe and one in the left lobe. Fourteen HCCs were located in the right lobe and five inthe left lobe. The diameter of hemangiomas was ranged 2.0∼9.8 (mean, 4.96) cm and the diameter of HCCs was ranged2.2∼8.5 (mean, 4.97) cm. All (100%) hemangiomas showed no bulging of hepatic contour and 89.5% (17 / 19) of HCCsshowed focal bulging of hepatic contour. CONCLUSION : US demonstration of focal bulging of hepatic contour isuseful in the differential diagnosis of subcapsular hemangioma from hepatocellular carcinoma.
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