ultrasound for local recurrence of colorectal carcinoma Submucosal tumors of the colorectal wall 16 Anal Sphincter Disease Introduction Fecal incontinence Perianal fistula 17 Endometriosis Introduction Definition and location Epidemiology and risk factors Clinical picture Diagnosis Classification Imaging methods 18 Vascular Anomalies and Abnormalities Introduction Aortic arch anomalies Vascular calcification and plaques Aneurysms and pseudoaneurysms Venous thrombosis Dieulafoy lesions Neoplasms Miscellaneous aberrancies
9 3 Pancreatico‐biliary 19 Duodenal and Ampullary Neoplasia 20 Biliary Tract Pathology 21 Gallbladder Pathology Introduction Gallbladder stones Gallbladder polyps Gallbladder carcinoma 22 Pancreatic Adenocarcinoma Introduction Tumor identification and diagnosis via fine needle aspiration or fine needle biopsy Evaluation of vascular invasion Evaluation of peripancreatic lymphadenopathy Limitations and complications of EUS in patients with pancreatic cancer Conclusion References 23 Pancreatic Malignancy (Non‐adenocarcinoma) Introduction Endocrine pancreatic tumors (Figures 23.1 and 23.2) Primary pancreatic lymphoma (Figure 23.3) Solid pseudopapillary tumors (Figure 23.4) Acinar cell carcinoma (Figure 23.5) Secondary metastatic tumors (Figure 23.6) Summary 24 Autoimmune Pancreatitis Introduction Endoscopic ultrasound imaging (Video 24.1) Image‐enhancing techniques during EUS EUS‐FNA and EUS‐FNB Histologic features Summary 25 Pancreatic Cystic Lesions Introduction Pseudocyst Serous lesions Mucinous lesions Other cystic neoplasms 26 Intraductal Papillary Mucinous Neoplasms Introduction Clinical features Role of imaging Cross‐sectional imaging Endoscopic ultrasound evaluation Management of small IPMN (≤3 cm) 27 Chronic Pancreatitis Introduction Clinical overview of chronic pancreatitis Endoscopic ultrasound imaging of the normal pancreas EUS imaging in chronic pancreatitis: historical perspectives EUS imaging in chronic pancreatitis: the Rosemont Criteria Endoscopic ultrasound imaging in chronic pancreatitis: the future 28 Liver Pathology Introduction Cirrhosis Fatty liver disease Hepatic cysts Neoplasms