Does large tissue amount by endoscopic ultrasound-guided fine needle biopsy affect efficacy of diagnosing type I autoimmune pancreatitis?

Nayak, Hemanta Kumar; Chouhan, Mohd Imran; Mohindra, Samir

doi:10.1016/j.pan.2020.11.019

Cited by 1 publication

(1 citation statement)

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“…However, FNB has been essential for the diagnosis of type 1 AIP in 33% of patients with segmental/focal pancreatic enlargement, while it contributes to the diagnosis in only 4% of patients with diffuse pancreatic swelling, confirming that, in such a population, FNB may not be necessary. However, the lack of uniformity of needle type and diameter is a main limitation in this paper [ 32 ].…”

Section: Fine-needle Aspiration (Fna) and Fine-needle Biopsy (Fnb)mentioning

confidence: 99%

The Role of EUS-Guided FNA and FNB in Autoimmune Pancreatitis

2021

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Autoimmune pancreatitis (AIP) is an increasingly recognized disease classified into two different subtypes based on histology. According to the International Diagnostic Criteria (ICDC), the diagnosis is achieved using a combination of different criteria. In patients presenting with a typical imaging appearance, the diagnosis may be straightforward, and steroid treatment is recommended, even without histological confirmation. In patients with atypical imaging or mass-forming appearance, the differential diagnosis with pancreatic cancer is challenging and crucial for treatment strategy. Endoscopic ultrasound (EUS)-guided tissue acquisition has been proposed to achieve a histological diagnosis. Fine-needle aspiration (FNA) was first proposed to aspirate cells from pancreatic lesions. Despite excellent results in terms of sensitivity for pancreatic cancer, the data are disappointing regarding the diagnosis of AIP. The recent development of new needles allowing fine-needle biopsy (FNB) has been associated with improved diagnostic accuracy based on preserving the tissue architecture, which is necessary to detect the typical histological features of AIP. However, the published literature on the role of EUS-guided FNA and FNB is limited and mainly focused on type 1 AIP. The present study aimed to review the available literature on the role of EUS-guided FNA and FNB in the diagnosis of AIP.

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Section: Fine-needle Aspiration (Fna) and Fine-needle Biopsy (Fnb)mentioning

confidence: 99%