Research Article
Volume 7 Issue 2 - 2020
Experience Using Rapid On-Site Evaluation of Biopsies Obtained By EUS- Guided FNA Performed by Cytopathology-Trained Endoscopists
Dínimo José Bolívar-Saenz1*, Lázaro Antonio Arango2, Claudia Patricia Díaz Tobar3, Ricardo González4 and Edgar Julián Ferreira5
1General Surgeon of Universidad del Rosario, Fellow of the Clinical-Surgical Gastroenterology Program, University of Caldas, Manizales, Caldas, Colombia
2General Surgeon and Clinical Surgical Gastroenterologist, Chief of the Clinical-Surgical Gastroenterology Program, University of Caldas, Manizales, Caldas, Colombia
3General Surgeon and Clinical Surgical Gastroenterologist, University of Caldas, Manizales, Caldas, Colombia
4Anatomical and Clinical Pathologist, National University of Colombia. Professor at the Universidad Autónoma of Manizales. Manizales, Caldas, Colombia
5General Surgeon of Industrial University of Santander, Fellow of the Clinical-Surgical Gastroenterology Program, University of Caldas, Manizales, Caldas, Colombia
*Corresponding Author: Dínimo José Bolívar-Saenz, General Surgeon of Universidad del Rosario, Fellow of the Clinical-Surgical Gastroenterology Program, University of Caldas, Manizales, Caldas, Colombia.
Received: December 16, 2019; Published: January 18, 2020




Abstract

Background: Biopsy by Fine-Needle Aspiration guided by ultrasonography (EUS-FNA) with rapid on-site evaluation (ROSE) by cytopathologists improves diagnostic capacity of the EUS. 

Objectives: To assess whether the usefulness of ROSE performed by endoscopists with cytopathology training improves the adequacy of tissue sampling obtained by EUS-FNA. 

Methodology: Between March and October 2015, 49 patients with solid or cystic lesions of the gastrointestinal tract were taken to EUS-FNA. Two endoscopists with short training in cytopathology performed the ROSE and they categorized samples obtained as adequate or not adequate; the results were compared with the evaluation of a pathologist, using the same criteria to assess concordance.

Results: A high concordance of a proper reading between the endoscopist and pathologist in first EUS-FNA (EUS-FNA 1) (Kappa agreement measure 81%, sig = 0.000) and second EUS-FNA (EUS-FNA 2) (Kappa agreement measure 78%, sig = 0.001) was found.

Conclusion: Endoscopists can acquire basic skills in cytopathology to perform the ROSE and the findings are consistent with those made by a pathologist. This strategy can contribute to obtaining adequate samples for cytopathology diagnosis and improve EUS-FNA diagnostic capacity. Basic cytopathology should be included as a subject in endosonography and endoscopy programs.

Keywords: EUS-FNA; ROSE; On-site Cytology; Endosonography

References

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Citation: José Bolívar-Saenz., et al. “Experience Using Rapid On-Site Evaluation of Biopsies Obtained By EUS- Guided FNA Performed by Cytopathology-Trained Endoscopists”. EC Gastroenterology and Digestive System 7.2 (2020): 01-08.

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