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Robotic Pancreatoduodenectomy for Pancreatic Head Cancer: a Case Report of a Standardized Technique

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Comparing fine needle biopsy techniques in solid pancreatic lesions: A prospective randomized study.

Héctor Miguel Delgado-Cortés¹, Joel Omar Jáquez-Quintana¹, Gabriela Sofía Gómez-Macías²

¹Gastroenterology Service, University Hospital "Dr. José Eleuterio González", Monterrey, Nuevo León, Mexico.

Pancreatology : Official Journal of the International Association of Pancreatology (IAP) ... [Et Al.]

|October 2, 2023

Summary

The wet-suction technique offers superior tissue integrity for endoscopic ultrasound-guided fine-needle biopsies (EUS-FNB) of pancreatic body/tail lesions. Simple-suction techniques resulted in higher sample contamination during EUS-FNB procedures.

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Area of Science:

Gastroenterology
Oncology
Pathology

Background:

Endoscopic ultrasound-guided fine-needle biopsy (EUS-FNB) is optimal for pancreatic lesion sampling.
Standardization of EUS-FNB techniques is lacking.
Optimizing tissue integrity and minimizing blood contamination are crucial for accurate diagnosis.

Purpose of the Study:

To compare three EUS-FNB techniques: suction with vacuum, capillary, and wet.
To determine the technique yielding the best tissue integrity.
To identify the technique causing the least blood contamination.

Main Methods:

Seventy-five patients with solid pancreatic lesions undergoing EUS-FNB were selected.
Three biopsy techniques (suction with vacuum, capillary, wet) were employed.
Pathologists assessed tissue integrity and blood contamination using standardized scales.

Main Results:

The wet-suction technique demonstrated superior tissue integrity for lesions in the pancreatic body/tail (average score 4.40, p=0.027).
Simple-suction techniques led to significantly higher sample contamination (1.55, p<0.001).
No significant differences in integrity or contamination were found for lesions based on size (≤ or >3 cm).

Conclusions:

For EUS-FNB of pancreatic head/uncinate process lesions, all three methods yielded similar diagnostic results.
The wet-suction technique is recommended for improved tissue integrity in pancreatic body/tail lesions.