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Abstract

Background and Objectives: Diagnosis of pancreatic lesions remains a clinical challenge. This study aimed to evaluate the diagnostic accuracy of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in pancreatic mass lesions. Patients and Methods: Clinical data, laboratory tests, and cytopathological and imaging reports were collected from 185 pancreatic EUS cases performed from March 2010 to January 2014. The final diagnosis was based on surgical findings, EUS-FNA or computed tomography (CT)-guided biopsy. Results: A total of 100 pancreatic FNAs were obtained by EUS. Most positive diagnoses of malignancy were pancreatic adenocarcinomas (n = 61). The site of pancreatic adenocarcinoma was the head in 50 (82.0%), body in seven (11.5%), and tail in four (6.5%). The sensitivity, specificity, and positive and negative predictive values of EUS-FNA for diagnosing adenocarcinoma were 80.3%, 92.3%, 94.2%, and 75.0%, respectively. Discussion: We concluded that EUS-FNA of pancreatic lesion accurately diagnoses pancreatic adenocarcinoma and should be considered for the standard management of pancreatic adenocarcinoma.

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Endoscopic ultrasound-guided fine needle aspiration biopsy of patients with suspected pancreatic cancer: diagnostic accuracy and acute and 30-day complications.

Mohamad A. Eloubeidi, Victor Chen, Isam Eltoum … (2003)

The aims of this study were to evaluate the diagnostic accuracy of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) in patients with suspected pancreatic cancer, and to assess immediate, acute, and 30-day complications related to EUS-FNA. All patients with suspected pancreatic cancer were prospectively evaluated. A single gastroenterologist performed all EUS-FNAs in the presence of a cytopathologist. Immediate complications were evaluated in all patients. An experienced nurse called patients 24-72 h and 30 days after the procedure. Reference standard for the classification of the final diagnosis included: surgery (n = 48), clinical or imaging follow-up (n = 63), or death from the disease (n = 47). A total of 158 patients (mean age 62.3 yr) underwent EUS-FNA during the study period. The mean tumor size was 32 x 26 mm. The median number of passes was three (range one to 10). Of these patients, 44% had at least one failed attempt at tissue diagnosis before EUS-FNA. The sensitivity, specificity, PPV, NPV, and accuracy of EUS-FNA in solid pancreatic masses were 84.3%, 97%, 99%, 64%, and 84%, respectively. Immediate self-limited complications occurred in 10 of the 158 EUS-FNAs (6.3%). Of 90 patients contacted at 24-72 h, 78 patients (87%) responded. Of the 90 patients, 20 (22%) reported at least one symptom, all of which were minor except in three cases (one self-limited acute pancreatitis and two emergency room visits, one of which led to admission). In all, 83 patients were contacted at 30 days, and 82% responded. No additional or continued complications were reported. EUS-FNA is highly accurate in identifying patients with suspected pancreatic cancer, especially when other modalities have failed. Major complications after EUS-FNA are rare, and minor complications are similar to those reported for upper endoscopy. It seems that follow-up at 1 wk might capture all of the adverse events related to EUS-FNA.

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Pancreatic cancer death rates by race among US men and women, 1970-2009.

Jiemin Ma, Rebecca Siegel, Ahmedin Jemal (2013)

Few studies have examined trends in pancreatic cancer death rates in the United States, and there have been no studies examining recent trends using age-period-cohort analysis. Annual percentage change in pancreatic cancer death rates was calculated for 1970 to 2009 by sex and race among adults aged 35 to 84 years using US mortality data provided by the National Center for Health Statistics and Joinpoint Regression. Age-period-cohort modeling was performed to evaluate the changes in cohort and period effects. All statistical tests were two-sided. In white men, pancreatic cancer death rates decreased by 0.7% per year from 1970 to 1995 and then increased by 0.4% per year through 2009. Among white women, rates increased slightly from 1970 to 1984, stabilized until the late 1990s, then increased by 0.5% per year through 2009. In contrast, the rates among blacks increased between 1970 and the late 1980s (women) or early 1990s (men) and then decreased thereafter. Age-period-cohort analysis showed that pancreatic cancer death risk was highest for the 1900 to 1910 birth cohort in men and the 1920 to 1930 birth cohort in women and there was a statistically significant increase in period effects since the late 1990s in both white men and white women (two-sided Wald test, P < .001). In the United States, whites and blacks experienced opposite trends in pancreatic cancer death rates between 1970 and 2009 that are largely unexplainable by known risk factors. This study underscores the needs for urgent action to curb the increasing trends of pancreatic cancer in whites and for better understanding of the etiology of this disease.

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Pancreatic FNA in 1000 cases: a comparison of imaging modalities.

Andrew Nelson, Hong Xie, Paul S. Jowell … (2005)

Image-guided FNA is a popular method for evaluating pancreatic lesions, but few large studies on pancreatic FNA exist. Cytologic material, imaging reports, and clinical follow-up information were reviewed from pancreatic FNA cases performed over a 5-year period. A total of 1050 pancreatic FNAs were obtained by EUS (n = 843), US (n = 140), and CT (n = 67). On-site assessment was performed in 89.2% (n = 937) of cases. Findings were as follows: positive for neoplasm 48.9% (n = 503), negative 29.1% (n = 306), descriptive 10% (n = 105), suspicious 5.9% (n = 62), atypical/inconclusive 4.6% (n = 48), and nondiagnostic/inadequate 1.5% (n = 26). Follow-up in the form of histology or at least 6 months of clinical observation was available for 61.2% (n = 643). There was an overall false-positive rate of 0.3% and a false-negative rate of 14.3%. Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were as follows: 79.4, 99.0, 99.4, 67.9, 84.5 for the total series, respectively; 79.9, 98.8, 99.2, 72.5, 86.5 for EUS, respectively; 77.9, 100, 100, 48.6, 81.7 for US, respectively; and 78.6, 100, 100, 47.1, 82.0 for CT, respectively. In general, accuracy was not influenced by lesion size or site, number of FNA passes, or number of procedures per patient. After controlling for lesion size, EUS resulted in greater accuracy than US or CT when evaluating lesions <3 cm ( p = 0.015). All imaging modalities showed moderate to high sensitivity, specificity, and accuracy. Logistic regression analysis showed that for lesions <3 cm, the EUS method had higher accuracy than US or CT. No statistically significant difference was seen for larger lesions or for the number of FNA passes.

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PubMed ID:: 26879164

PMC ID:: 4770619

DOI:: 10.4103/2303-9027.175879

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http://creativecommons.org/licenses/by-nc-sa/3.0

Keywords: diagnosis,endoscopic ultrasound-guided fine-needle aspiration,pancreatic neoplasms

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Keywords: diagnosis, endoscopic ultrasound-guided fine-needle aspiration, pancreatic neoplasms

Diagnostic potency of EUS-guided FNA for the evaluation of pancreatic mass lesions

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Hematology and Oncology Discovery

Most cited references 19

Endoscopic ultrasound-guided fine needle aspiration biopsy of patients with suspected pancreatic cancer: diagnostic accuracy and acute and 30-day complications.

Pancreatic cancer death rates by race among US men and women, 1970-2009.

Pancreatic FNA in 1000 cases: a comparison of imaging modalities.

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