Endoscopic Ultrasound

ORIGINAL ARTICLE
Year
: 2021  |  Volume : 10  |  Issue : 3  |  Page : 200--206

A new needle-based confocal laser endomicroscopy pattern of malignant pancreatic mucinous cystic lesions (with video)


Yunlu Feng1, Xiaoyan Chang2, Yu Zhao2, Dong Wu1, Zhilan Meng2, Xi Wu1, Tao Guo1, Qingwei Jiang1, Shengyu Zhang1, Qiang Wang1, Aiming Yang1 
1 Department of Gastroenterology, Peking Union Medical College Hospital, Beijing, China
2 Department of Pathology, Peking Union Medical College Hospital, Beijing, China

Correspondence Address:
Dr. Aiming Yang
Peking Union Medical College Hospital, Beijing
China

Background and Objectives: The diagnosis of malignant pancreatic cystic lesions (PCLs) remains challenging. Needle-based confocal laser endomicroscopy (nCLE) is an emerging promising imaging technique capable of real-time in vivo microscopic imaging of the cyst wall. We aimed to develop and validate a new nCLE diagnostic criteria for malignant mucinous cystic lesions (MLs). Methods: Patients referred for EUS-FNA of indeterminate PCLs with at least one worrisome features according to Fukouka consensus were consecutively prospectively enrolled from July 2016 to July 2018. The final diagnosis was based on surgical histology, cytopathology, or committee consensus. Five investigators nonblindly reviewed nCLE features and identified potential diagnostic feature for malignant MLs, which was also reviewed in histology imaging accordingly. Furthermore, the nCLE diagnostic feature was evaluated with an independent nCLE dataset by two investigators in a double-blind manner. Results: A nCLE pattern of dark aggregates of neoplastic cells was identified as diagnostic for MLs, which was consistent with histological findings of irregular branching and budding in malignant MLs. An independent validation revealed that the accuracy, sensitivity, and specificity of this feature for the diagnosis of malignant MLs were 94%, 75%, and 100%, respectively. Conclusion: The new nCLE criterion is promising for diagnosis of malignant MLs which warrants further confirmation in large cohort.


How to cite this article:
Feng Y, Chang X, Zhao Y, Wu D, Meng Z, Wu X, Guo T, Jiang Q, Zhang S, Wang Q, Yang A. A new needle-based confocal laser endomicroscopy pattern of malignant pancreatic mucinous cystic lesions (with video).Endosc Ultrasound 2021;10:200-206


How to cite this URL:
Feng Y, Chang X, Zhao Y, Wu D, Meng Z, Wu X, Guo T, Jiang Q, Zhang S, Wang Q, Yang A. A new needle-based confocal laser endomicroscopy pattern of malignant pancreatic mucinous cystic lesions (with video). Endosc Ultrasound [serial online] 2021 [cited 2021 Sep 20 ];10:200-206
Available from: http://www.eusjournal.com/article.asp?issn=2303-9027;year=2021;volume=10;issue=3;spage=200;epage=206;aulast=Feng;type=0