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Laser lithotripsy and removal of calculi from minor pancreatic duct in pancreas divisum.

ABSTRACT:

SUBMITTER: Karandikar A

PROVIDER: S-EPMC7804992 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Diagnostic ability of pancreatic juice cytology via the minor papilla in patients with pancreas divisum.

Project description:Background and study aimEndoscopic retrograde cholangiopancreatography (ERCP) is generally performed via the major papilla when evaluating patients with pancreatic disease. However, in patients with pancreas divisum (PD) or distortion of the main pancreatic duct, endoscopic retrograde pancreatography (ERP) should be performed via the minor papilla (MP). Our aim was to evaluate the efficacy and safety of endoscopic pancreatic juice cytology (PJC), performed via the MP, in patients with PD.Patients and methodsPatients with PD who underwent diagnostic ERP via the MP, between January 2010 and February 2021, were identified retrospectively from our hospital's ERCP database. Twenty-two patients contributing to 24 ERCPs were included in the analysis.ResultsMP cannulation was successful in 23 of 24 ERCPs (96%). In one patient, successful cannulation was achieved on the second attempt and the procedure was performed twice in another. Serial pancreatic juice aspiration cytologic examination (SPACE) was performed in 17 patients, with a single aspiration of pancreatic juice performed in the other five. The sensitivity, specificity, and accuracy rates of ERCP diagnosis, overall, were 56%, 100%, and 80%, respectively. When diagnosis only based on SPACE was considered, the accuracy rate was even higher at 87%. Three patients (13%) developed mild pancreatitis as an adverse event.ConclusionsThe diagnostic ability of endoscopic PJC, via the MP in patients with PD was technically feasible and relatively effective under experienced pancreatobiliary endoscopists, however, requiring careful attention to post-ERCP pancreatitis when performed.

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Pancreatic pseudocyst, pancreatitis, and incomplete pancreas divisum in a child treated with endotherapy: a case report.

Project description:Pancreatic divisum (PD) is caused by the lack of fusion of the pancreatic duct during the embryonic period. Considering the incidence rate of PD, clinicians lack an understanding of the disease, which is usually asymptomatic. Some patients with PD may experience recurrent pancreatitis and progress to chronic pancreatitis. Recently, a 13-year-old boy presented with pancreatic pseudocyst, recurrent pancreatitis, and incomplete PD, and we report this patient's clinical data regarding the diagnosis, medical imagining, and treatment. The patient had a history of recurrent pancreatitis and abdominal pain. Magnetic resonance cholangiopancreatography was chosen for diagnosis of PD, pancreatitis, and pancreatic pseudocyst, followed by endoscopic retrograde cholangiopancreatography, minor papillotomy, pancreatic pseudocyst drainage, and stent implantation. In the follow-up, the pseudocyst lesions were completely resolved, and no recurrent pancreatitis has been observed.

| S-EPMC8161893 | biostudies-literature

Imaging of pancreas divisum by linear-array endoscopic ultrasonography.

Project description:Pancreas divisum (PD) is the most common developmental anatomic variant of pancreatic duct. Endoscopic ultrasound (EUS) is often performed to evaluate idiopathic pancreatitis and has been shown to have high accuracy in diagnosis of PD. The different techniques to identify PD by linear EUS have been described differently by different authors. If EUS is done with a proper technique it can be a valuable tool in the diagnosis of PD. The anatomical and technical background of different signs has not been described so far. This article summarizes the different techniques of imaging of pancreatic duct in a suspected case of PD and gives a technical explanation of various signs. The common signs seen during evaluation of pancreatic duct in PD are stack sign of linear EUS, crossed duct sign on linear EUS, the dominant duct and ventral dorsal duct (VD) transition. Few other signs are described which include duct above duct, short ventral duct /absent ventral duct, separate opening of ducts with no communication, separate opening of ducts with filamentous communication, stacking of duct of Santorini and indirect signs like santorinecele. The principles of the sign have been explained on an anatomical basis and the techniques and the principles described in the review will be helpful in technical evaluation of PD during EUS.

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Removal of a migrated biliary stent buried in a common bile duct stone using electrohydraulic lithotripsy.

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A case of pancreatic duct stones treated with electrohydraulic lithotripsy through a duodenal ulcer.

Project description:Video 1Crush the large-sized stones directly using an electrohydraulic lithotripsy device.

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Duct-to-mucosa pancreaticojejunostomies with a hard pancreas and dilated pancreatic duct and duct-to-mucosa pancreaticojejunostomies with a soft pancreas and non-dilated duct.

Project description:BACKGROUND: We performed duct-to-mucosa pancreaticojejunostomy with resection of jejunal serosa in 55 patients, and here compare the clinical results between duct-to-mucosa pancreaticojejunostomies with a non-dilated pancreatic duct and those with a dilated duct. PATIENTS AND METHODS: In the period 1999 to 2005, 55 patients (27 F, 28 M; mean age 63.4 years) underwent duct-to-mucosa pancreaticojejunostomy with resection of jejunal serosa. A non-dilated pancreatic duct was observe in 29 patients in group A and a dilated pancreatic duct in 26 patients in group B. Clinical characteristics (age, gender, benign or malignant condition, presence of diabetes mellitus, anastomotic time) were analyzed in both groups and postoperative complications were compared between groups. RESULTS: In a comparison of clinical characteristics, all factors were similar between groups. In group A, the postoperative complication occurred in 4 (wound infection in 2, pulmonary embolism in 1, gastric ulcer in 1) of 29 patients (13.8%), and in group B in 1 (pneumothorax) of 26 patients (3.8%). No pancreatic leakage was observed in either group. The difference between group A and group B in the rate of postoperative complication was not statistically significant. CONCLUSIONS: There was no statistical difference in the rate of postoperative complications, including pancreatic leakage, between duct-to-mucosa pancreaticojejunostomies with a dilated pancreatic duct and those with a non-dilated duct. We consider that the diameter of the pancreatic duct is irrelevant to results of duct-to-mucosa pancreaticojejunostomy.

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Reconstituting development of pancreatic intraepithelial neoplasia from primary human pancreas duct cells.

Project description:Development of systems that reconstitute hallmark features of human pancreatic intraepithelial neoplasia (PanINs), the precursor to pancreatic ductal adenocarcinoma, could generate new strategies for early diagnosis and intervention. However, human cell-based PanIN models with defined mutations are unavailable. Here, we report that genetic modification of primary human pancreatic cells leads to development of lesions resembling native human PanINs. Primary human pancreas duct cells harbouring oncogenic KRAS and induced mutations in CDKN2A, SMAD4 and TP53 expand in vitro as epithelial spheres. After pancreatic transplantation, mutant clones form lesions histologically similar to native PanINs, including prominent stromal responses. Gene expression profiling reveals molecular similarities of mutant clones with native PanINs, and identifies potential PanIN biomarker candidates including Neuromedin U, a circulating peptide hormone. Prospective reconstitution of human PanIN development from primary cells provides experimental opportunities to investigate pancreas cancer development, progression and early-stage detection.

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