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ORIGINAL ARTICLE
Year : 2018  |  Volume : 7  |  Issue : 5  |  Page : 329-334

Performance of a new needle for endoscopic ultrasound-guided fine-needle biopsy in patients with pancreatic solid lesions: A retrospective multicenter study


1 Unit of Gastroenterology and Digestive Endoscopy, ARNAS Ospedale Civico - Di Cristina – Benfratelli, Palermo, Italy
2 Digestive Endoscopy Unit, Catholic University, Rome, Italy; Gastroenterology and Internal Medicine Departments, Colentina Clinical Hospital, Carol Davila University of Medicine, Bucharest, Romania
3 Digestive Endoscopy Unit, Catholic University, Rome, Italy
4 Unit of Gastroenterology and Digestive Endoscopy, AUSL Bologna Bellaria-Maggiore Hospital, Bologna, Italy
5 Digestive Endoscopy Unit, Division of Gastroenterology, Humanitas Research Hospital, Rozzano, Milan, Italy
6 Department of Pathology, Catholic University, Rome, Italy
7 Department of Internal Medicine, Gastroenterology and Hepatology, Catholic University of Rome, Rome, Italy

Correspondence Address:
Dr. Alberto Larghi
Digestive Endoscopy Unit, Catholic University, Largo Agostino Gemelli 8, 00168 Rome
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/eus.eus_33_17

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Background 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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