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BACKGROUND: Whether obesity and being overweight, defined by body mass index (BMI), increase hepatocellular carcinoma (HCC) has been less apparent in Asian populations. METHODS: Overall, 14,265,822 Korean adults who underwent routine health examinations during 2003–2006 were followed up for HCC. Multivariable-adjusted hazard ratios (HRs) associated with BMI were calculated. RESULTS: During 13.7 years (mean) of follow-up, 47,308 individuals developed HCC. HRs of HCC associated with BMIs of 25.0–26.4, 26.5–27.9, 28.0–29.4, 29.5–30.9 and ≥31 kg/m² compared to those for 23.5–24.9 kg/m² were 1.05, 1.20, 1.39, 1.59 and 2.13, respectively. For BMI

Indoleamine 2, 3-dioxygenase 1 (IDO1) is an immunomodulatory enzyme that catalyzes the degradation of tryptophan to kynurenine and induces immune tolerance in tumor cells. The effects of IDO1 on extrahepatic bile duct carcinoma (EHBDC) are poorly understood. Therefore, the present study aimed to investigate the expression and prognostic significance of IDO1 in EHBDC. An immunohistochemical microarray analysis of IDO1 expression was performed for 76 surgically resected cases of EHBDC. CD8

Background/aim Oxaliplatin-based chemotherapy is associated with hepatic sinusoidal obstruction syndrome (SOS). Patients and methods We analyzed patients from two prospective trials, in which capecitabine/oxaliplatin (XELOX, 8 cycles; n=51) and S-1/oxaliplatin [SOX, continuous (SOX-C, n=50), or intermittent (discontinuation after cycle 6 and restart on progression, SOX-I, n=50)] were administered. We compared severity (splenomegaly, thrombocytopenia, liver enzyme levels, and hepatic parenchymal heterogeneity), clinical significance (delay or dose-reduction of chemotherapy), and reversibility of SOS (splenomegaly and thrombocytopenia after stopping chemotherapy) between SOX and XELOX in gastric cancer patients. Results SOX was more likely to be associated with splenomegaly, thrombocytopenia, hyperbilirubinemia, and hepatic parenchymal heterogeneity than XELOX. Splenomegaly was partially reversible after stopping chemotherapy in both regimens, but recovery rate was lower in SOX. Proportion of delayed or dose-reduced chemotherapy cycles due to thrombocytopenia was significantly higher in SOX-C than in XELOX. Conclusion S-1 combination is more likely to worsen oxaliplatin-induced hepatic sinusoidal injuries than capecitabine in gastric cancer patients.

e22195Background: Oxaliplatin (OX)-based chemotherapy is known to cause hepatic sinusoidal injury, resulting portal hypertension with splenomegaly (SM). We compared this OX-induced hepatopathy, SM,...