Publications by authors named "Kayoko Kasuya"

Background: In Japan, health checkups for workers are legally compulsory. Considering legal health checkup items are important for Japanese workers' health problems. To date, the legal health checkup items for blood cell counts include only red blood cell counts and hemoglobin but not platelet counts.

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Background: Fib4 index (Fib4) is clinically used as a noninvasive marker of liver fibrosis. In this study, we aimed to preliminarily investigate whether Fib4 can be used to detect individuals who need assessment for alcoholic liver disease (ALD) in the general population by clarifying the detailed association of Fib4 with alcohol consumption and gamma-glutamyl transferase (GGT) among male workers.

Methods: We analyzed data sets on the comprehensive medical examinations of male workers as cross-sectional and retrospectively longitudinal studies.

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Background: The aims of this study were to evaluate the efficacy of additional treatment, especially lenvatinib-transarterial chemoembolization (TACE) sequential therapy, for unresectable hepatocellular carcinoma (HCC).

Methods: Consecutive 56 patients who underwent lenvatinib treatment were reviewed. Oncological aggressiveness of tumor was estimated using a dynamic CT enhancement pattern classification, and clinical impact of subsequent treatment was investigated through analysis of progression-free survival (PFS), post-progression survival (PPS), and multivariate analysis of potential confounders for survival after progression during lenvatinib therapy.

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Background: The prognostic factors of morbidity and mortality in patients with lean NAFLD (body mass index < 25.0 kg/m) are unknown.

Methods: In this retrospective study, 446 Japanese patients with histopathologically-confirmed NAFLD (lean NAFLD, n = 170) were followed for liver events, cardiovascular events, type 2 diabetes mellitus, and non-liver malignancies.

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Objective A survival benefit was demonstrated for ramucirumab (RAM) in patients with unresectable hepatocellular carcinoma (uHCC) and α-fetoprotein (AFP) concentrations ≥400 ng/mL who had previously received sorafenib (SOR). However, it is unclear whether RAM has a similar efficacy in patients with uHCC that progresses after lenvatinib (LEN) treatment. This study aimed to evaluate the early anti-tumor response to RAM as a second-line treatment for advanced uHCC after LEN treatment.

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Objective: The aim of this study was to evaluate the performance of pretreatment computed tomography (CT) enhancement of hepatocellular carcinoma (HCC) as a potential predictor of response to lenvatinib and its relevance to survival outcomes.

Methods: We evaluated 51 consecutive patients who received lenvatinib treatment for unresectable HCC. On imaging analysis, pretreatment arterial/portal phase dynamic CT images were classified as follows: type 2, homogeneous enhancement pattern with increased arterial blood flow; type 3, heterogeneous enhancement pattern with a septum-like structure; and type 4, heterogeneous enhancement pattern with irregularly shaped ring structures.

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We report a 71-year-old man with non-B non-C chronic liver damage who had been regularly visiting our hospital since he was 38 years of age. He underwent three partial hepatectomies for hepatocellular carcinoma (HCC) diagnosed at 65, 67, and 71 years of age, respectively. A histopathological examination showed moderately-differentiated HCC, and chronic hepatitis with mild fibrosis stage in non-tumor areas.

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A 53-year-old man presented with fulminant hepatitis due to de novo hepatitis B. He had been diagnosed previously with adult T-cell leukemia (ATL) and previously resolved hepatitis B virus infection. The ATL had been treated with cord blood transplantation (CBT).

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Background And Aims: This study aimed to identify the utility of F-fluorodeoxyglucose positron emission tomography/computed tomography (F-FDG-PET/CT) as a predictor of the response of hepatocellular carcinoma (HCC) to lenvatinib.

Methods: We evaluated 28 consecutive patients with HCC diagnosed by dynamic CT or magnetic resonance imaging combined with F-FDG-PET/CT. The tumor-to-normal liver standardized uptake value ratio (TLR) of the target tumor was measured before treatment using F-FDG-PET/CT, with a TLR ≥2 classified as a high potential for malignant HCC.

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Aim: Rifaximin (RFX) improves hepatic encephalopathy (HE). However, information on long-term treatment with RFX is limited. In this study, we aimed to investigate the effect of long-term treatment with RFX on HE and liver function.

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We experienced two cases of hepatitis C virus (HCV) eradication failure in patients with a history of non-responsiveness to previous treatments with direct-acting antiviral agents (DAAs) who were subsequently treated with the combination of glecaprevir and pibrentasvir (GLE/PIB). Direct sequencing at commencement of GLE/PIB therapy showed non-structural protein (NS) 5A-P32 deletion in the first patient and NS5A-R30E/Q54H/A92K in the second patient (both genotype 1b). The common point was that L31/Y93 was double wild-type, and the IL28B polymorphism was non-TT type.

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Adult-onset type II citrullinemia (CTLN2) is a urea cycle disease characterized by neurological and psychiatric abnormalities associated with hyperammonemia. One of the pathological features of CTLN2 is the presence of hepatocyte steatosis. The condition progresses in almost all CTLN2 patients to nonalcoholic fatty liver disease (NAFLD).

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Aim: The aim of this study was to clarify the utility of a no-touch pincer ablation procedure that uses bipolar electrodes to prevent intrasubsegmental tumor recurrence after radiofrequency ablation (RFA) for patients with hepatocellular carcinoma (HCC) compared to surgical resection.

Methods: We evaluated 175 consecutive patients with HCC (single nodule, tumor diameter ≤ 30 mm) who underwent surgical resection (146 received partial resection) and 313 patients who received RFA; 277 patients received touch ablation using a monopolar or bipolar RFA device, and 36 received no-touch ablation using a bipolar RFA device. Pretreatment arterial and portal phase dynamic computed tomography (CT) or magnetic resonance imaging (MRI) images were classified into four enhancement patterns: Type 1 and Type 2 are homogeneous enhancement patterns without or with increased arterial blood flow, respectively; Type 3 is a heterogeneous enhancement pattern with a septum-like structure; and Type 4 is an irregularly shaped ring structure enhancement pattern.

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Background: Recently, the importance of quality assurance (QA) for cancer screening has gained increasing attention in Japan. This study aimed to evaluate QA process indicators for population-based colorectal cancer screening during 2003-13.

Methods: A national cancer screening database was used to evaluate the following process indicators: the positivity rate, diagnostic follow-up rate, unidentified results rate, non-compliance with diagnostic follow-up rate, cancer detection rate and positive predictive value (PPV).

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