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The impact of macroscopic on-site evaluation using filter paper in EUS-guided fine-needle biopsy.
Endosc Ultrasound 2019 Sep-Oct; 8(5):342-347EU

Abstract

Background and Objectives

EUS-guided tissue acquisition with rapid on-site cytologic evaluation (ROSE) has been used to increase the diagnostic yield. However, ROSE is not available in many centers. To date, only a few studies have assessed the adequacy of histologic cores in macroscopic on-site evaluation (MOSE) during EUS-guided fine-needle biopsy (EUS-FNB). Blood contamination of histologic core specimens lowers the sample quality and the diagnostic yield. Therefore, we evaluated the efficacy of MOSE using filter paper to increase the adequacy of histologic core specimens while minimizing blood contamination.

Materials and Methods

Seventy-nine consecutive patients with an intraabdominal mass underwent EUS-FNB between March 2017 and October 2018. Histologic specimens obtained using EUS-FNB were expelled onto filter paper, and the histologic procurement rate on MOSE was evaluated.

Results

EUS-FNB using a 20-gauge Procore needle or a 22-gauge Acquire needle was successful in all patients. The mean number of needle passes was 2.8 ss0.8. Visible histologic cores were observed in 94.9% (75/79) of the patients. Blood-contaminated specimens with scanty histologic cores were obtained in 5.1% (4/79) of the patients. On microscopic examination, 92.4% (73/79) of the histologic samples were graded as optimal. The diagnostic accuracy, sensitivity, and specificity were 94.5%, 94.3%, and 100%, respectively. Mild postprocedural adverse events occurred in 2 patients (2.5%: n = 1, transient fever; n = 1, acute pancreatitis).

Conclusions

MOSE using filter paper provided adequate histologic samples while minimizing blood contamination. MOSE can also increase the diagnostic accuracy when ROSE is not available.

Authors+Show Affiliations

Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31268010

Citation

Oh, Dongwook, et al. "The Impact of Macroscopic On-site Evaluation Using Filter Paper in EUS-guided Fine-needle Biopsy." Endoscopic Ultrasound, vol. 8, no. 5, 2019, pp. 342-347.
Oh D, Seo DW, Hong SM, et al. The impact of macroscopic on-site evaluation using filter paper in EUS-guided fine-needle biopsy. Endosc Ultrasound. 2019;8(5):342-347.
Oh, D., Seo, D. W., Hong, S. M., Song, T. J., Park, D. H., Lee, S. S., ... Kim, M. H. (2019). The impact of macroscopic on-site evaluation using filter paper in EUS-guided fine-needle biopsy. Endoscopic Ultrasound, 8(5), pp. 342-347. doi:10.4103/eus.eus_34_19.
Oh D, et al. The Impact of Macroscopic On-site Evaluation Using Filter Paper in EUS-guided Fine-needle Biopsy. Endosc Ultrasound. 2019;8(5):342-347. PubMed PMID: 31268010.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The impact of macroscopic on-site evaluation using filter paper in EUS-guided fine-needle biopsy. AU - Oh,Dongwook, AU - Seo,Dong-Wan, AU - Hong,Seung-Mo, AU - Song,Tae Jun, AU - Park,Do Hyun, AU - Lee,Sang Soo, AU - Lee,Sung Koo, AU - Kim,Myung-Hwan, PY - 2019/7/4/pubmed PY - 2019/7/4/medline PY - 2019/7/4/entrez KW - EUS-guided fine-needle biopsy KW - macroscopic on-site evaluation KW - rapid on-site cytologic evaluation SP - 342 EP - 347 JF - Endoscopic ultrasound JO - Endosc Ultrasound VL - 8 IS - 5 N2 - Background and Objectives: EUS-guided tissue acquisition with rapid on-site cytologic evaluation (ROSE) has been used to increase the diagnostic yield. However, ROSE is not available in many centers. To date, only a few studies have assessed the adequacy of histologic cores in macroscopic on-site evaluation (MOSE) during EUS-guided fine-needle biopsy (EUS-FNB). Blood contamination of histologic core specimens lowers the sample quality and the diagnostic yield. Therefore, we evaluated the efficacy of MOSE using filter paper to increase the adequacy of histologic core specimens while minimizing blood contamination. Materials and Methods: Seventy-nine consecutive patients with an intraabdominal mass underwent EUS-FNB between March 2017 and October 2018. Histologic specimens obtained using EUS-FNB were expelled onto filter paper, and the histologic procurement rate on MOSE was evaluated. Results: EUS-FNB using a 20-gauge Procore needle or a 22-gauge Acquire needle was successful in all patients. The mean number of needle passes was 2.8 ss0.8. Visible histologic cores were observed in 94.9% (75/79) of the patients. Blood-contaminated specimens with scanty histologic cores were obtained in 5.1% (4/79) of the patients. On microscopic examination, 92.4% (73/79) of the histologic samples were graded as optimal. The diagnostic accuracy, sensitivity, and specificity were 94.5%, 94.3%, and 100%, respectively. Mild postprocedural adverse events occurred in 2 patients (2.5%: n = 1, transient fever; n = 1, acute pancreatitis). Conclusions: MOSE using filter paper provided adequate histologic samples while minimizing blood contamination. MOSE can also increase the diagnostic accuracy when ROSE is not available. SN - 2303-9027 UR - https://www.unboundmedicine.com/medline/citation/31268010/The_impact_of_macroscopic_on-site_evaluation_using_filter_paper_in_EUS-guided_fine-needle_biopsy DB - PRIME DP - Unbound Medicine ER -