Pancreatic cancer, autoimmune or chronic pancreatitis, beyond tissue diagnosis: Collateral imaging and clinical characteristics may differentiate them

Figure 7 Ductal wall thickening (biliary/pancreatic) in 2 cases of type 2 autoimmune pancreatitis. A: Hypoechoic mass in the head of the pancreas, arrow shows common bile duct (CBD) with hypoechoic symmetrical wall thickening in a histology confirmed type 2 autoimmune pancreatitis (AIP); B. Fine needle biopsy of a hypoechoic mass in the head of the pancreas. Arrow shows CBD with hypoechoic symmetrical wall thickening in the same case of a histology confirmed type 2 AIP; C: Homogeneous, symmetric main pancreatic duct wall thickening in other case of with histology confirmed type 2 AIP. Citation: Pelaez-Luna M, Soriano-Rios A, Lira-Treviño AC, Uscanga-Domínguez L. Steroid-responsive pancreatitides. World J Clin Cases 2020; 8: 3411-3430. Published by Baishideng Publishing Group Inc[60] (Supplementary material).