Pancreas

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BACKGROUND AND AIM: Pancreatic ductal adenocarcinoma (PDAC) is one of the lethal malignancies worldwide characterized by poor prognosis. MicroRNAs (miRNAs) function as the key regulators in carcinogenesis and may act as noninvasive biomarkers in various malignancies including PDAC. The present study aimed to elucidate the role of miR-326, a known modulator of hedgehog (Hh) pathway in PDAC. MATERIALS AND METHODS: miR-326 circulating levels were assessed in 105 PDAC patients, 31 with chronic pancreatitis (CP) and 36 healthy controls by quantitative Polymerase chain reaction...

BACKGROUND AND AIMS: Inflammatory head mass of pancreas (IMP) developing in background of chronic pancreatitis (CP) is difficult to distinguish from carcinoma pancreas. We aimed to delineate natural course of IMP and predict their malignancy risk, avoiding unnecessary biopsies. MATERIALS AND METHODS: In this retrospective single-center study, clinical records of patients with CP with diagnosed pancreatic head mass were reviewed. Clinical, laboratory, imaging, endoscopic findings, and follow-up details were retrieved from prospectively maintained database...

OBJECTIVES: The 2018 American Gastroenterological Association (AGA) guidelines strongly recommended early oral feeding as tolerated in patients with acute pancreatitis (AP). We compare early oral feeding rates in AP patients hospitalized in the periods before (2013-2016, Period A) and after (2019-2020, Period B) publication of the AGA guidelines, hypothesizing increased adherence in Period B. METHODS: We performed a retrospective cohort study of AP patients presenting to the emergency department during each period...

OBJECTIVES: We aimed to predict in vitro chemosensitivity assay results from computed tomography (CT) images by applying deep learning (DL) to optimize chemotherapy for pancreatic ductal adenocarcinoma (PDAC). MATERIALS AND METHODS: Preoperative enhanced abdominal CT images and the histoculture drug response assay (HDRA) results were collected from 33 PDAC patients undergoing surgery. Deep learning was performed using CT images of both the HDRA-positive and HDRA-negative groups...

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OBJECTIVE: This study aimed to investigate whether a novel, easy loop-forming guidewire could reduce post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP) in patients undergoing endoscopic nasopancreatic drainage tube placement for serial pancreatic juice aspiration cytologic examination (SPACE). METHODS: We evaluated patients with suspected pancreatic cancer who underwent SPACE at our institution between January 2015 and April 2023 retrospectively...

OBJECTIVES: Most of the pancreatic cyst protrusions detected by B-mode endoscopic ultrasound (BM-EUS) are nonneoplastic and are not enhanced by contrast-enhanced EUS (CE-EUS) using ultrasound contrast agent (USCA). This study aimed to identify useful findings for distinguishing between neoplastic and nonneoplastic pancreatic cyst protrusions on BM-EUS to facilitate efficient USCA use. MATERIALS AND METHODS: A total of 151 pancreatic cyst protrusions in 119 consecutive patients who underwent CE-EUS were analyzed...

OBJECTIVE: Phosphate is crucial for cellular repair after injury and may be important in recovery following acute pancreatitis (AP). This study aimed to evaluate the association between hypophosphatemia and severity of AP. METHODS: Patients admitted with AP between 2014--2018 were identified and their records were retrospectively reviewed. Pancreatitis severity was defined using the modified Atlanta Criteria. Hypophosphatemia was defined as phosphate <2 mg/dL and was assessed at three time points: within one day, within two days, at any time during admission...

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OBJECTIVES: Among patients with pancreatic cancer, studies show racial disparities at multiple steps of the cancer care pathway. Access to healthcare is a frequently cited cause of these disparities. It remains unclear if racial disparities exist in an integrated, equal access public system such as the Veterans Affairs healthcare system. METHODS: We identified all patients diagnosed with pancreatic adenocarcinoma in the national Veterans Affairs Central Cancer Registry from January 2010 to December 2018...

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OBJECTIVES: Pain, the hallmark symptom of chronic pancreatitis (CP), remains difficult to assess. To capture the variability of pain that patients can experience day to day, this study used pain diaries to describe daily pain experiences and identify pain phenotypes. METHODS: This study is a secondary data analysis from a pilot trial examining cognitive behavioral therapy for pain treatment in CP. Before treatment, patients completed an online daily pain diary using the Brief Pain Inventory for 7 days...

OBJECTIVE: We aimed to elucidate the feasibility of surveillance of patients with mucinous cystic neoplasm (MCN). METHODS: We performed a retrospective, multi-institutional study of 328 patients who underwent surgery for MCN at 18 Japanese institutions. Patients with MCN were divided into an immediate surgery group and a surveillance group, which underwent surgery after surveillance. RESULTS: The median surveillance period until surgery in the surveillance group was 27 months (range, 7-165 months)...

OBJECTIVES: Because IPMNs are potentially malignant, surveillance of IPMN is recommended by magnetic resonance imaging (MRI) and endoscopic ultrasound (EUS). The aim of the study was the evaluation of the concordance between EUS and MRI regarding cyst size. METHODS: Retrospective data analysis was done for patients with IPMN in whom EUS and MRI were performed simultaneously (≤60 days). The measured cyst size of both procedures was compared by Bland-Altman plots...

BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) has a poor prognosis. Identifying modifiable risk factors, such as diabetes, is crucial. In the context of PDAC diagnosis, diabetes manifests as long-term (LTD), new-onset (NOD), or postsurgical (PSD) phenotypes. The link between these diabetes phenotypes and PDAC survival is debated. MATERIALS AND METHODS: We performed a retrospective study on patients with resectable PDAC who underwent pancreatectomy at Johns Hopkins Hospital from 2003 to 2017...

OBJECTIVES: Aging is associated with a high prevalence of pancreatic cysts and intraductal papillary mucinous neoplasms (IPMNs). Metabolic syndrome (MS) may increase the risk of neoplasms, including those that develop in the pancreas. However, the influence of factors associated with MS on the development of IPMN remains unclear. METHODS: A total of 9363 patients who underwent abdominal ultrasound examinations between April 2012 and May 2013 were included in this study...

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OBJECTIVES: Research on acute pancreatitis (AP) has been ongoing for a long time. It is necessary to summarize and investigate the history of AP research. METHODS: Publications related to AP research were retrieved from PubMed. Medical Subject Headings (MeSH) terms, countries, journals, and publication dates were analyzed. Co-occurrence analysis was conducted to illustrate the holistic trend in AP research. A dynamic bar graph, heat maps, and line charts were created to illustrate change trends of MeSH terms...