Publications by authors named "Asuka Araki"

Article Synopsis
  • Nonalcoholic fatty liver diseases (NAFLD) and nonalcoholic steatohepatitis (NASH) can lead to hepatocellular carcinoma (HCC), prompting a study of risk stratification methods using histological features and noninvasive markers in patients with liver biopsy-confirmed NAFLD or NASH.
  • The study included 1389 patients and compared the predictive ability of histological factors and noninvasive models such as the aMAP score, FIB-4 index, and ALBI score, revealing that the aMAP score had the highest predictive power for HCC.
  • The aMAP score and FIB-4 index were found to be superior to histological features for
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Lipomatous pseudohypertrophy of the pancreas (LPH) is a rare disease in which the pancreatic parenchyma is replaced with mature adipose tissue. It is an idiopathic condition whose diagnosis is made based on histopathological analyses. Herein, we report the case of a 50-year-old male patient with a lipomatous mass in the head of the pancreas on computed tomography for close examination of a renal tumor.

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Reports of Helicobacter pylori (Hp)-naïve gastric neoplasm (HpNGN) cases have been rapidly increasing due to the recent increase in the Hp-naïve population in Japan. Most HpNGNs exhibit the gastric immunophenotype and a low malignant potential regardless of histological type. Especially, foveolar-type gastric adenoma (FGA) and intestinal-type gastric dysplasia (IGD) rarely progress to invasive carcinoma.

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Article Synopsis
  • Researchers found that the Fibrosis-3 (FIB-3) index can accurately predict liver fibrosis progression in patients with metabolic dysfunction-associated steatotic liver disease (MASLD), regardless of age.
  • In a study of 1,398 patients, the FIB-3 index performed as well as the Fibrosis-4 (FIB-4) index for those under 60, but outperformed it for patients aged 60 and older.
  • The FIB-3 index’s effectiveness suggests it could be a more reliable tool for assessing liver fibrosis than existing methods, enhancing diagnosis across different age groups.
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Aims: A multi-stakeholder consensus has proposed MASLD (metabolic dysfunction-associated steatotic liver disease). We aimed to investigate the pathological findings related to the mid-term mortality of patients with biopsy-proven MASLD in Japan.

Methods: We enrolled 1349 patients with biopsy-proven MASLD.

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Article Synopsis
  • Teratomas are rare germ cell tumors that can form from multiple germ layers and can be found in various body locations, including the kidneys.
  • A case study describes a 49-year-old woman who had an asymptomatic teratoma discovered in her right renal hilum that was associated with a carcinoid tumor.
  • The findings show that the tumor was separate from the kidney and urinary tract, offering insights into the unusual relationship between teratomas and carcinoid tumors.
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Background/aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) was recently proposed as an alternative disease concept to nonalcoholic fatty liver disease (NAFLD). We aimed to investigate the prognosis of patients with biopsy-confirmed MASLD using data from a multicenter study.

Methods: This was a sub-analysis of the Clinical Outcome Nonalcoholic Fatty Liver Disease (CLIONE) study that included 1,398 patients with NAFLD.

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Eosinophilic granulomatous polyangiitis is a systemic vasculitis associated with bronchial asthma and eosinophilic sinusitis. Here, we describe an unusual presentation of eosinophilic granulomatous polyangiitis that initially manifested as swelling of the oral cavity floor and cervical soft tissue. A 58 year-old Japanese man was diagnosed with bronchial asthma during childhood but did not receive regular medication.

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Background: The incidence of gastric neoplasms in Helicobacter pylori (Hp)-naïve patients has recently increased due to a remarkable decrease in the Hp-infected population in Japan. We investigated the clinicopathologic differences between Hp-infected gastric neoplasms (HpIGNs) and Hp-naïve gastric neoplasms (HpNGNs) that have not been fully elucidated so far.

Methods: This retrospective multicenter study investigated 966 consecutive patients with 1131 gastric dysplasia or cancers who underwent endoscopic or surgical treatment for the recent decade.

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Background And Aims: Both fibrosis status and body weight are important for assessing prognosis in nonalcoholic fatty liver disease (NAFLD). The aim of this study was to identify population clusters for specific clinical outcomes based on fibrosis-4 (FIB-4) index and body mass index (BMI) using an unsupervised machine learning method.

Methods: We conducted a multicenter study of 1335 biopsy-proven NAFLD patients from Japan.

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Article Synopsis
  • Foveolar-type gastric adenoma (FGA) resembles Helicobacter pylori-naïve gastric hyperplastic polyp (HpN-GHP) but can be challenging to differentiate due to minimal histological differences; a study aimed to develop a diagnostic index to help distinguish between the two lesions.* -
  • The study analyzed 51 FGAs and 36 HpN-GHPs using white-light and narrow-band imaging endoscopy, with experts assessing specific visual features; FGAs exhibited unique characteristics such as bright-red color, peripheral hyperplasia, and a demarcation line more frequently than HpN-GHPs.* -
  • Results indicated high diagnostic accuracy for both endoscopic methods, achieving sensitivity of 90.2% and
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The relationship between baseline serum albumin level and long-term prognosis of patients with nonalcoholic fatty liver disease (NAFLD) remains unknown. This is a sub-analysis of the CLIONE (Clinical Outcome Nonalcoholic Fatty Liver Disease) study. The main outcomes were: death or orthotopic liver transplantation (OLT), liver-related death, and liver-related events (hepatocellular carcinoma [HCC], decompensated cirrhosis, and gastroesophageal varices/bleeding).

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A 59-year-old man underwent submandibular gland excision for salivary duct carcinoma (SDC). One year later, esophagogastroduodenoscopy indicated gastric diffuse mucosal thickening with luminal contraction, mimicking scirrhous gastric carcinoma. Biopsy specimens showed dense proliferation of neoplastic cells expressing androgen receptor and human epidermal growth factor 2, indicating SDC.

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The cytosolic carboxypeptidase (CCP) 1 protein, encoded by , is expressed in cerebellar Purkinje cells (PCs). The dysfunction of CCP1 protein (caused by point mutation) and the deletion of CCP1 protein (caused by gene knockout) all lead to the degeneration of cerebellar PCs, which leads to cerebellar ataxia. Thus, two mutants (i.

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Background And Aims: Noninvasive tests (NITs) have prognostic potential, but whether NITs are comparable with liver biopsy is unclear. This study aimed to examine the prognostic accuracy of NITs for liver-related mortality (LRM) and events (LREs) in patients with biopsy-proven nonalcoholic fatty liver disease (NAFLD).

Methods: We investigated 1313 patients with NAFLD.

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Aim: Impacts of platelet counts at the time of liver biopsy on hepatocellular carcinoma (HCC) development in patients with nonalcoholic fatty liver disease (NAFLD) remain unknown. The aim of this study was to investigate the prognostic value of platelet counts in patients with biopsy-confirmed NAFLD using data from a multicenter study.

Methods: One thousand three hundred ninety-eight patients were included in this subanalysis of the CLIONE (Clinical Outcome Nonalcoholic Fatty Liver Disease) in Asia study.

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Background And Aim: Older age, type 2 diabetes mellitus (T2DM), and obesity are known risk factors for liver-related events (LREs). We investigated the impacts of T2DM and obesity on LRE according to age in Japanese patients with non-alcoholic fatty liver disease (NAFLD).

Methods: We performed a subanalysis of a retrospective cohort study (CLIONE in Asia), including 1395 patients with biopsy-proven NAFLD.

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Article Synopsis
  • The recent decline in Helicobacter pylori infections has coincided with an increase in foveolar-type gastric adenoma (FGA) cases in H. pylori-naive individuals, indicating a shift in the characteristics of gastric tumors.
  • The study analyzed genomic features of sporadic FGA by performing whole genome sequencing on fresh-frozen tissue samples and examining cell proliferation and apoptosis profiles.
  • Notably, researchers identified a common single-nucleotide variation (SNV) in the tumor suppressor gene KLF4, which seems to impede cell growth, suggesting that this genetic change may contribute to the slow-growing nature of sporadic FGA.
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Background: Consensus regarding the cutoff value of fecal calprotectin (FC) for predicting histological healing (HH) in ulcerative colitis (UC) is lacking. This study aimed to determine an optimal FC cutoff value for predicting HH in patients with UC with clinical and endoscopic remission. Furthermore, FC's predictability for prolonged clinical remission (CR) was investigated.

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Oxaliplatin, widely used as a chemotherapy drug for colorectal cancer, is known to cause various adverse reactions. In particular, special attention for the development of portal hypertension associated with porto-sinusoidal vascular disease is necessary, as it is a serious adverse life-threating reaction, although rare. We herein report a case of oxaliplatin-related portal hypertension that developed several years after oxaliplatin administration and led to esophageal varices and refractory massive ascites.

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Parathyroid carcinoma (PC) is a rare type of endocrine cancer. Recurrence and metastasis are common after surgery, and refractory hypercalcemia often leads to a poor prognosis. However, there are currently no specific strategies for PC recurrence.

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Background & Aims: There are no detailed reports of clinical outcomes in Asian patients with nonalcoholic fatty liver disease (NAFLD) who undergo liver biopsy. We aimed to investigate the clinical outcomes of a large cohort of Asian patients with biopsy-proven NAFLD and evaluate the specific effects of nonalcoholic steatohepatitis and fibrosis stage.

Methods: This multicenter registry-based retrospective cohort study, called the CLIONE (Clinical Outcome Nonalcoholic Fatty Liver Disease) in Asia, included 1398 patients.

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Crossed fused renal ectopia (CFRE) is a rare congenital renal abnormality. It is usually diagnosed incidentally by imaging. Herein we report a 53-year-old patient with renal cell carcinoma of CFRE.

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Gastric dysplasia and gastric cancer in Helicobacter pylori (Hp)-naïve patients usually exhibit a gastric phenotype, reflecting gastric mucosa without intestinal metaplasia (IM). We showed that intestinal-type gastric dysplasia (IGD) rarely occurs in the Hp-naïve stomach. In the last 10 years, we treated 1760 gastric dysplasia and gastric cancer patients, with 3.

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