Thirty-one patients with hepatocellular carcinoma (HCC) were given either an intraarterial injection of iodized poppyseed oil (Lipiodol) alone (group A, n = 6), an emulsion of iodized oil and doxorubicin hydrochloride (Adriamycin) (group B, n = 15), or chemoembolization with the same emulsion followed by gelatin sponge (Gelfoam) particles (group C, n = 10). Hepatic resection was subsequently performed. The frequencies of complete necrosis of tumor in the main lesion, daughter tumors, tumor thrombus, and foci of intracapsular invasion were evaluated in the cut surface of the resected specimen. Group C demonstrated the best therapeutic effects, showing complete necrosis of the main lesion in 83% (P less than .01), daughter tumors in 53% (P less than .01), tumor thrombus in 17%, and foci of intracapsular invasion in 67%. These results are superior to those reported previously for chemoembolization without iodized oil. Group B showed better results than group A, but the difference was not significant. Iodized oil alone (group A) had practically no therapeutic effect but was helpful in differentiating small HCC from regenerative nodules.
When the inferior vena cava is obstructed, collateral veins enlarge, connecting with the inferior (accessory) right hepatic vein (IRHV) and thence through various hepatic veins to the right atrium. Three such cases are described. In one patient, most contrast material flowed into the IRHV and from there to the left hepatic vein. The second patient had several large collaterals arising from the IRHV and flowing into the right and middle hepatic veins, while the third patient demonstrated anastomoses between the IRHV and the middle hepatic vein. All of these hepatic venous shunts eventually drained into the right atrium. There were no clinical manifestations such as ascites, edema, or dilatation of the abdominal veins. Cavography alone or combined with computed tomography proved to be diagnostic in the assessment of these intrahepatic collaterals.
Three cases of primary Budd-Chiari syndrome were found by ultrasonic examination. These were confirmed by hepatic venography and inferior vena cavography. The ultrasound findings in these patients included communicating vessels between hepatic veins, enlarged inferior right hepatic vein, reversed blood flow in the hepatic vein, and obstruction of the inferior vena cava. With these findings, ultrasound can be used to diagnose primary Budd-Chiari syndrome without hepatic venography or inferior cavography.
Laparoscopic cholecystectomy was feasible for removing gallbladder stones after gastrectomy. Endoscopic bile duct lithotomy followed by laparoscopic cholecystectomy was a good option for patients in whom endoscopic intervention could be performed. On the other hand, choledochoenterostomy could be a good option for patients in whom endoscopic bile duct lithotomy cannot be performed, particularly considering the risk of recurrent bile duct stones.
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