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We can measure the ICG-K value by PDD at the bedside without time delay, and we can predict liver failure in the early postoperative period by the ICG-K values on postoperative day 1. ICG-K values measured by PDD can provide important information for perioperative management.

These findings suggested that SOCS-1 may act as a tumor suppressor in at least some colorectal cancers and that SOCS-1 methylation may be a particular phenomenon related to a nearly onset of colorectal cancer.

We report a rare case of metachronous double cancer of the biliary tract. At age 59 years, a man had undergone a cholecystectomy and resection of the liver bed for gallbladder cancer pathologically diagnosed as papillary adenocarcinoma, in 1997. Four years later, he was admitted to our hospital with jaundice. At first, we suspected lymph node metastasis of the gallbladder cancer along the common bile duct. But abdominal computed tomography demonstrated circular wall thickness of the common bile duct, so primary bile duct cancer was strongly suspected. Thus, extended right hepatectomy and pancreaticoduodenectomy were performed after right portal vein embolization. The pathological diagnosis of the resected specimen was well-differentiated tubular adenocarcinoma, and this case was clarified to be metachronous double cancer. A review of the literature regarding double cancer of the biliary tract is presented following this case report. We showed that half of 30 cases of double cancer of the biliary tract were not associated with pancreaticobiliary maljunction, including all 6 metachronous cases.

Genetic alterations present in the tumors of pancreatic cancer patients can be detected in their plasma, and this approach is potentially applicable for cancer screening and the monitoring of this deadly disease.

BackgroundMucins are implicated in survival in various cancers, but there have been no report addressed on survival in appendiceal carcinoma, an uncommon disease with different clinical and pathological features from those of other colon cancers. We aimed to investigate the clinical implications of expression of mucins in appendiceal carcinoma.MethodsExpression profiles of MUC1, MUC2, MUC3, MUC4, MUC5AC, MUC6, MUC16 and MUC17 in cancer tissue were examined by immunohistochemistry in 108 cases of surgically resected appendiceal carcinoma.ResultsThe following relationships of mucins with clinicopathologic factors were identified: MUC1 with positive lymphatic invasion (p = 0.036); MUC2 with histological type (mucinous carcinoma, p<0.001), superficial invasion depth (p = 0.007), negative venous invasion (p = 0.003), and curative resection (p = 0.019); MUC3 with non-curative resection (p = 0.017); MUC5AC with histological type (mucinous carcinoma, p = 0.002), negative lymphatic invasion (p = 0.021), and negative venous invasion (p = 0.022); and MUC16 with positive lymph node metastasis (p = 0.035), positive venous invasion (p<0.05), and non-curative resection (p = 0.035). A poor prognosis was related to positive lymph node metastasis (p = 0.04), positive lymphatic invasion (p = 0.02), positive venous invasion (p<0.001), non-curative resection (p<0.001), and positive expression of MUC3 (p = 0.004). In multivariate analysis, positive venous invasion (HR: 6.93, 95% CI: 1.93–24.96, p = 0.003), non-curative resection (HR: 10.19, 95% CI: 3.05–34.07, p<0.001) and positive MUC3 expression (HR: 3.37, 95% CI: 1.13–10.03, p = 0.03) were identified as significant independent prognostic factors in patients with appendiceal carcinoma.ConclusionsExpression of MUC3 in appendiceal carcinoma is an independent factor for poor prognosis and a useful predictor of outcome in patients with appendiceal carcinoma after surgery.

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