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Fig. 5 | BMC Gastroenterology

Fig. 5

From: Utility of a 21-gauge Menghini-type biopsy needle with the rolling method for an endoscopic ultrasound-guided histological diagnosis of autoimmune pancreatitis: a retrospective study

Fig. 5

Histological findings for the diagnosis of AIP acquired by the 21-gauge Menghini-type needle with the rolling method. a Hematoxylin–Eosin (HE) staining shows marked lymphoplasmacytic infiltration and fibrosis in high-power fields (× 400). b IgG4 immunostaining shows abundant IgG4-positive cells (× 400). c HE staining shows storiform fibrosis with spindle-shaped cells and inflammatory cells (× 100). d, e HE and Elastica van Gieson staining show obstructive phlebitis with infiltration of inflammatory cells obstructing the vein (× 100)

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BMC Gastroenterology

ISSN: 1471-230X

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