EUS-guided needle biopsy for autoimmune pancreatitis.

Clinical Journal of Gastroenterology
Ankit Chhoda, Tarun Rustagi

Abstract

Endoscopic ultrasound (EUS)-guided fine needle aspiration (FNA), though a well-established method for specimen acquisition from pancreatic neoplasm, has a limited role for non-focal benign pancreatic diseases such as autoimmune pancreatitis (AIP) due to sample inadequacy and architectural distortion. Core biopsies through EUS-trucut biopsy (EUS-TCB) or newer generation EUS-fine needle biopsy (EUS-FNB) enable better histopathologic review through greater tissue specimen size and visualization of the histologic milieu. We systematically reviewed EUS-guided sample acquisition (FNA or core biopsy) and the role of EUS-guided needle biopsy in evaluation of AIP. EUS-guided needle biopsy provided significantly higher adequacy of specimen (96.8% vs 79.8%; p = 0.016) and higher diagnostic sensitivity (60.20% vs 42.02%; p < 0.0001) compared to EUS-FNA for AIP. More evidence is imperative in evaluating the feasibility, safety, and diagnostic utility of EUS-guided needle biopsy for AIP.

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Citations

Jul 8, 2021·Digestive Endoscopy : Official Journal of the Japan Gastroenterological Endoscopy Society·Atsushi KannoHironori Yamamoto

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