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EDITORIAL |
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Pancreatic cystic neoplasms in 2018: The final cut |
p. 289 |
Gabriele Capurso, Giuseppe Vanella, Paolo Giorgio Arcidiacono DOI:10.4103/eus.eus_48_18 PMID:30323154 |
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COMMENTARY |
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Pancreatic cyst: What clinician needs? |
p. 293 |
Stefano Francesco Crinò, Luca Frulloni DOI:10.4103/eus.eus_37_18 PMID:30323155 |
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Pancreatic cystic neoplasm diagnosis: Role of imaging |
p. 297 |
Alessandro Sarno, Giorgia Tedesco, Riccardo De Robertis, Giovanni Marchegiani, Roberto Salvia, Mirko D'Onofrio DOI:10.4103/eus.eus_38_18 PMID:30323156 |
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Improving the yield of EUS-guided histology |
p. 301 |
Luca Barresi, Matteo Tacelli, Ilaria Tarantino, Fabio Cipolletta, Antonino Granata, Mario Traina DOI:10.4103/eus.eus_45_18 PMID:30323157 |
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Use of needle-based confocal laser endomicroscopy in the diagnosis and management of pancreatic cyst lesions |
p. 306 |
Kapil Anand, Michel Kahaleh, Amy Tyberg DOI:10.4103/eus.eus_46_18 PMID:30323158 |
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How new technologies could impact on radiology diagnosis and assessment of pancreatic lesions: Future perspectives |
p. 310 |
Andrea Laghi, Marta Zerunian, Damiano Caruso DOI:10.4103/eus.eus_47_18 PMID:30323159 |
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Intraductal papillary mucinous neoplasm to pancreas ductal adenocarcinoma sequence and pancreas cancer screening |
p. 314 |
James J Farrell DOI:10.4103/eus.eus_49_18 PMID:30323160 |
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REVIEW ARTICLE |
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Pancreatic cystic neoplasms: What is the most cost-effective follow-up strategy? |
p. 319 |
Giulia Maggi, Giovanni Guarneri, Giulia Gasparini, Alessandro Fogliati, Stefano Partelli, Massimo Falconi, Stefano Crippa DOI:10.4103/eus.eus_44_18 PMID:30323161
Pancreatic cystic neoplasms are one of the most frequent incidental findings in the field of pancreatic diseases, estimated to be present in up to 45% of the general population. They represent an heterogeneous group of tumors with different biological behavior and variable risk of progression to malignancy. While serous cystadenomas (SCAs) have no risk of malignant progression, mucinous cyst adenoma are malignant in 20% of cases and this risk is higher in intraductal papillary mucinous neoplasms (IPMN). Nonsurgical management could be applied in patients with a SCA and in low-risk IPMN and these patients could be managed with follow-up strategies. While follow-up could be interrupted in patients unfit for surgery due to comorbidities or age, and in SCA stable over time, recent evidences do not support surveillance discontinuation in patients with IPMNs fit for surgery.
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ORIGINAL ARTICLES |
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Evaluation of the SharkCore® needle for EUS-guided core biopsy of pancreatic neuroendocrine tumors |
p. 323 |
Benjamin L Witt, Rachel E Factor, Barbara E Chadwick, Justin Caron, Ali A Siddiqui, Douglas G Adler DOI:10.4103/eus.eus_51_17 PMID:29623910
Background and Objectives: EUS guided core biopsy was once rarely performed but is now entering mainstream practice. Neuroendocrine tumors often warrant core biopsy as sufficient tissue must be obtained to allow for special staining to ensure a correct diagnosis. Traditionally these lesions were sampled with FNA needles. We performed a retrospective pilot study to evaluate the clinical value and efficacy of the a new EUS core needle biopsy needle as compared to a standard EUS FNA needle in the evaluation of patients with known or suspected neuroendocrine tumors.
Methods: A retrospective analysis of the first 10 patients (between January 2015 and April 2016) to undergo EUS-FNA with the SharkCore® needle at the University of Utah School of Medicine/Huntsman Cancer Center with neuroendocrine tumors. Each case was retrospectively reviewed by a board certified cytopathologist (BLW) for the following cytologic parameters on the aspirate smears or touch/squash preparations: overall cellularity [1 (low) to 3 (high)], percentage of obtained cells that were lesional/representative (<25%, 26%-50%, and >50%), relative ease of interpretation [1 (difficult) to 3 (easy)]. Pathologic material and reporting records were also reviewed for each case to confirm the number of needle passes to achieve diagnostic adequacy, the presence or absence diagnostic material on H&E slide (from cell block, if prepared), whether a definitive diagnosis was able to be rendered, and the presence or absence of a true core/core fragments (within the cell block, if prepared).
Results: A total of 20 patients underwent EUS-FNA for suspected neuroendocrine lesions. Ten patients underwent either transgastric or transduodenal EUS-FNA with the 22 gauge SharkCore® needle. The comparison cohort of 10 patients underwent either transgastric or transduodenal EUS-FNA with the standard 22 gauge Echotip® needle. The SharkCore® needle required a fewer mean number of needle passes to obtain diagnostic adequacy than the Echotip® (P=0.0074). For cases with cell blocks, the SharkCore® needle produced diagnostic material in 100% of cases, whereas Echotip® produced diagnostic material in 60% of cases. There was no significant difference between specimen cellularity, percentage of lesional material, or ease of interpretation between the two needle types.
Conclusion: Our pilot investigation targeting patients with known or suspected pancreatic NETs indicates that the SharkCore® needle shows promise in obtaining suitable tissue for ancillary testing that can allow for more definitive pathologic interpretations on EUS FNA specimens. Fewer passes were needed with the core needle when compared to a standard needle.
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Performance of a new needle for endoscopic ultrasound-guided fine-needle biopsy in patients with pancreatic solid lesions: A retrospective multicenter study |
p. 329 |
Roberto Di Mitri, Mihai Rimbaş, Fabia Attili, Carlo Fabbri, Silvia Carrara, Luca Di Maurizio, Frediano Inzani, Alessandro Repici, Antonio Gasbarrini, Guido Costamagna, Alberto Larghi DOI:10.4103/eus.eus_33_17 PMID:28836520Background and Objectives: Procurement of tissue core biopsy samples may overcome some of the limitations of endoscopic ultrasound (EUS)-guided fine-needle aspiration. We aimed at assessing the safety, histological sample procurement yield, and diagnostic accuracy of a newly available histology needle. Materials and Methods: Data from consecutive patients with pancreatic solid lesions who underwent EUS-fine needle biopsy (EUS-FNB) using the 22-gauge Acquire™ needle were retrospectively retrieved from four tertiary care centers database. Results: Fifty-nine patients (mean age 68 ± 12 years; male/female 29/30) with pancreatic solid lesions underwent EUS-FNB using the 22-gauge Acquire™ needle. The biopsy was done transgastrically in 22 (37.3%) patients and transduodenally in 37 (62.7%) cases. A mean of 2.8 ± 0.45 needle passes per lesion site were performed, without any major complication. A tissue core biopsy sample for histological evaluation was obtained in 55 (93.2%) cases. In the additional four cases, the specimen obtained resulted adequate for cytological evaluation. Considering malignant versus nonmalignant disease, sensitivity, specificity, negative likelihood ratio, positive likelihood ratio, and diagnostic accuracy were 98.2% (95% confidence interval [CI], 90.6–99.7), 100% (95% CI, 43.6–100), 0.018 (95% CI, 0.003–0.125), 295.6 (95% CI, 0–9.3 × 1010), and 98.3% (95% CI, 94.9–100), respectively. Conclusions: EUS-FNB using the 22-gauge Acquire™ needle is able to reach a very high procurement yield and diagnostic accuracy. Large prospective studies are warranted to further evaluate the utility of this newly developed needle. |
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A prospective study of endoscopic ultrasonography features, cyst fluid carcinoembryonic antigen, and fluid cytology for the differentiation of small pancreatic cystic neoplasms |
p. 335 |
Ying Wang, Ningli Chai, Jia Feng, Enqiang Linghu DOI:10.4103/eus.eus_40_17 PMID:28836521Background and Objectives: With improvements in imaging technologies, pancreatic cystic lesions (PCLs) have been increasingly identified in recent years. However, the imaging modalities used to differentiate the categories of pancreatic cysts remain limited, which may cause confusion when planning treatment. Due to progress in endoscopic ultrasonography-guided fine-needle aspiration (EUS-FNA) technology, auxiliary diagnosis by the detection of cystic fluid has become a recent trend. Methods: From March 2015 to April 2016, 120 patients with PCLs were enrolled in this study. According to the results of EUS, cyst fluid carcinoembryonic antigen (CEA) analysis, and cystic fluid cytology, the patients were divided into two groups: a nonmucinous and a mucinous group. Of those, 61 patients who had undergone surgical resection were included in the analysis. The clinical features, biochemical and tumor markers of cyst fluid as well as the cytological test results of the patients were compared with histopathology results. Results: A cyst size of 4.0 cm was used as the boundary value; a cyst ≤4.0 cm was defined as a small PCL. 87 (72.5%) lesions were ≤4.0 cm, and 33 (27.5%) lesions were >4.0 cm. Regarding the analysis of CEA and carbohydrate antigens 19-9 (CA19-9), significant differences were found between the nonmucinous and mucinous groups (P < 0.05) according to nonparametric independent samples tests. The EUS, cystic fluid CEA, and cystic fluid cytology results were compared with the tissue pathology findings using McNemar's test (P < 0.05) and showed a sensitivity of 90% and a specificity of 84%. Conclusion: A diagnostic combination of EUS, cyst fluid CEA, and cystic fluid cytology could be used to differentiate small pancreatic cystic neoplasms. Cystic fluid cytology analysis is helpful for planning treatment for pancreatic cystic tumors that pose a surgical risk. |
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CASE REPORT |
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Dysphagia aortica: Emerging role of endoscopic ultrasound (with videos) |
p. 343 |
Malay Sharma, Parvinder Singh, Vijendra Kirnake, Jay Toshniwal, Anish Chopra DOI:10.4103/2303-9027.193571 PMID:27824021
Dysphagia can occur due to extrinsic compression on esophagus. Dysphagia due to intrathoracic vascular causes is rare. Most reported cases of vascular etiology are due to dysphagia lusoria. Dysphagia due to any anomaly of aorta is called dysphagia aortica. In an emergency setting, endoscopic ultrasound (EUS) has been found to be superior and more sensitive for detection of abdominal aortic aneurysms over conventional radiological methods. We present a series of four cases of dysphagia aortica where the diagnosis was made by endoscopic ultrasound.
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IMAGES AND VIDEOS |
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EUS-guided drainage of pancreatic fluid collection with a Hot AXIOS stent in a patient with pancreatitis following distal pancreatectomy (with video) |
p. 347 |
Lianyong Li, Sarah Cristofaro, Changmin Qu, Shuwen Liang, Xiaoyu Li, Qiang Cai DOI:10.4103/eus.eus_55_17 PMID:29848832 |
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Cystic duct antegrade stenting for cholangitis after the long-term deployment of lumen-apposing metal stents for calculous cholecystitis |
p. 349 |
Ken Kamata, Mamoru Takenaka, Kosuke Minaga, Atsushi Nakai, Shunsuke Omoto, Takeshi Miyata, Kentaro Yamao, Hajime Imai, Toshiharu Sakurai, Tomohiro Watanabe, Naoshi Nishida, Masatoshi Kudo DOI:10.4103/eus.eus_91_17 PMID:29798941 |
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Contrast-enhanced endoscopic ultrasonography features of a mucoepidermoid carcinoma of the pancreas |
p. 351 |
Sho Kitagawa, Hirokazu Suii, Hiroyuki Miyakawa DOI:10.4103/eus.eus_25_17 PMID:28836518
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