Abstract:
:Endoscopic ultrasound (EUS) and EUS-guided fine-needle aspiration (EUS-FNA) have a great value in clinical practice of gastrointestinal lymphoma (GIL). Auxiliary methods such as flow cytometry (FCM) and gene rearrangement provide additional information for the diagnosis. Current study aims to explore the diagnostic value of EUS-FNA combined with FCM and gene rearrangement for GIL in our single institution. Suspected GIL cases, which were referred to EUS, FNA, FCM, or gene rearrangement examination, were retrospectively reviewed from January 2011 to May 2014. Definitive final diagnosis was included based on the pathological and immunostaining evidence. The gene scan analysis was applied for fragment detection in gene rearrangement. The sensitivity, specificity, and accuracy were considered and calculated. Fifty-three EUS cases were identified, including 38 GIL, 10 inflammations, 4 linitis plastica, and one multiple myeloma. EUS-FNA was successfully conducted in 39 out of 53 cases. After combined with FCM, the sensitivity, specificity, and accuracy were increased from 60.7% to 76.9%, 90.9% to 100%, and from 69.2% to 81.8% respectively. Among 33 cases for FCM, 11 of them gained positive B or T non-Hodgkin lymphoma diagnosis, and 28 out of 53 specimens were delivered for gene rearrangement. The sensitivity, specificity, and accuracy of gene rearrangement were 68.2%, 100%, and 75% respectively. EUS-FNA is a possible technique for the diagnosis of GIL, With additional FCM examination may further improve the diagnostic efficiency and facilitate subclassification. Moreover, gene rearrangement assay by gene scan is also a considerable method in the specimens from GIL. Copyright © 2016 John Wiley & Sons, Ltd.
journal_name
Hematol Oncoljournal_title
Hematological oncologyauthors
Yu L,Chen K,Xu Y,Wang S,Liu Q,Ye Q,Ye T,Sun Ydoi
10.1002/hon.2298subject
Has Abstractpub_date
2017-09-01 00:00:00pages
303-309issue
3eissn
0278-0232issn
1099-1069journal_volume
35pub_type
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