SECTION 1: PERITONEUM AND MESENTERY GENERIC IMAGING PATTERNS 4 Mesenteric or Omental Mass (Solid) Siva P. Raman, MD 10 Mesenteric or Omental Mass (Cystic) Siva P. Raman, MD 14 Fat-Containing Lesion, Peritoneal Cavity Siva P. Raman, MD 18 Mesenteric Lymphadenopathy Siva P. Raman, MD 22 Abdominal Calcifications Siva P. Raman, MD 28 Pneumoperitoneum Siva P. Raman, MD 32 Hemoperitoneum Siva P. Raman, MD 36 Misty (Infiltrated) Mesentery Siva P.
Raman, MD MODALITY-SPECIFIC IMAGING FINDINGS COMPUTED TOMOGRAPHY 42 High-Attenuation (Hyperdense) Ascites Siva P. Raman, MD SECTION 2: ABDOMINAL WALL ANATOMICALLY BASED DIFFERENTIALS 48 Abdominal Wall Mass Siva P. Raman, MD 52 Mass in Iliopsoas Compartment Siva P. Raman, MD 54 Groin Mass Siva P. Raman, MD 58 Elevated or Deformed Hemidiaphragm Siva P. Raman, MD 60 Defect in Abdominal Wall (Hernia) Siva P. Raman, MD SECTION 3: ESOPHAGUS GENERIC IMAGING PATTERNS 66 Intraluminal Mass, Esophagus Atif Zaheer, MD and Michael P. Federle, MD, FACR 68 Extrinsic Mass, Esophagus Atif Zaheer, MD and Michael P.
Federle, MD, FACR 72 Lesion at Pharyngoesophageal Junction Atif Zaheer, MD and Michael P. Federle, MD, FACR 74 Esophageal Ulceration Atif Zaheer, MD and Michael P. Federle, MD, FACR 76 Mucosal Nodularity, Esophagus Atif Zaheer, MD and Michael P. Federle, MD, FACR 78 Esophageal Strictures Atif Zaheer, MD and Michael P. Federle, MD, FACR 80 Dilated Esophagus Atif Zaheer, MD and Michael P. Federle, MD, FACR 82 Esophageal Outpouchings (Diverticula) Atif Zaheer, MD and Michael P. Federle, MD, FACR 84 Esophageal Dysmotility Atif Zaheer, MD and Michael P. Federle, MD, FACR CLINICALLY BASED DIFFERENTIALS 86 Odynophagia Atif Zaheer, MD and Michael P.
Federle, MD, FACR SECTION 4: STOMACH GENERIC IMAGING PATTERNS 90 Gastric Mass Lesions Atif Zaheer, MD and Michael P. Federle, MD, FACR 96 Intramural Mass, Stomach Atif Zaheer, MD and Michael P. Federle, MD, FACR 98 Target or Bull''s-Eye Lesions, Stomach Atif Zaheer, MD and Michael P. Federle, MD, FACR 100 Gastric Ulceration (Without Mass) Atif Zaheer, MD and Michael P. Federle, MD, FACR 102 Intrathoracic Stomach Atif Zaheer, MD and Michael P. Federle, MD, FACR 104 Thickened Gastric Folds Atif Zaheer, MD and Michael P. Federle, MD, FACR 110 Gastric Dilation or Outlet Obstruction Atif Zaheer, MD and Michael P. Federle, MD, FACR 114 Linitis Plastica, Limited Distensibility Atif Zaheer, MD and Michael P.
Federle, MD, FACR CLINICALLY BASED DIFFERENTIALS 118 Epigastric Pain Atif Zaheer, MD and Michael P. Federle, MD, FACR 124 Left Upper Quadrant Mass Atif Zaheer, MD and Michael P. Federle, MD, FACR SECTION 5: DUODENUM GENERIC IMAGING PATTERNS 130 Duodenal Mass Atif Zaheer, MD and Michael P. Federle, MD, FACR 136 Dilated Duodenum Atif Zaheer, MD and Michael P. Federle, MD, FACR 138 Thickened Duodenal Folds Atif Zaheer, MD and Michael P. Federle, MD, FACR SECTION 6: SMALL INTESTINE GENERIC IMAGING PATTERNS 142 Multiple Masses or Filling Defects, Small Bowel Atif Zaheer, MD and Michael P. Federle, MD, FACR 144 Cluster of Dilated Small Bowel Atif Zaheer, MD and Michael P. Federle, MD, FACR 146 Aneurysmal Dilation of Small Bowel Lumen Atif Zaheer, MD and Michael P.
Federle, MD, FACR 148 Stenosis, Terminal Ileum Atif Zaheer, MD and Michael P. Federle, MD, FACR 150 Segmental or Diffuse Small Bowel Wall Thickening Atif Zaheer, MD and Michael P. Federle, MD, FACR 156 Pneumatosis of Small Intestine or Colon Atif Zaheer, MD and Michael P. Federle, MD, FACR CLINICALLY BASED DIFFERENTIALS 160 Occult GI Bleeding Atif Zaheer, MD and Michael P. Federle, MD, FACR 164 Small Bowel Obstruction Atif Zaheer, MD and Michael P. Federle, MD, FACR SECTION 7: COLON GENERIC IMAGING PATTERNS 172 Solitary Colonic Filling Defect Atif Zaheer, MD and Michael P. Federle, MD, FACR 174 Multiple Colonic Filling Defects Atif Zaheer, MD and Michael P. Federle, MD, FACR 176 Mass or Inflammation of Ileocecal Area Atif Zaheer, MD and Michael P.
Federle, MD, FACR 182 Colonic Ileus or Dilation Atif Zaheer, MD and Michael P. Federle, MD, FACR 186 Toxic Megacolon Atif Zaheer, MD and Michael P. Federle, MD, FACR 188 Rectal or Colonic Fistula Atif Zaheer, MD and Michael P. Federle, MD, FACR 194 Segmental Colonic Narrowing Atif Zaheer, MD and Michael P. Federle, MD, FACR 198 Colonic Thumbprinting Atif Zaheer, MD and Michael P. Federle, MD, FACR 200 Colonic Wall Thickening Atif Zaheer, MD and Michael P. Federle, MD, FACR 206 Smooth Ahaustral Colon Atif Zaheer, MD and Michael P. Federle, MD, FACR CLINICALLY BASED DIFFERENTIALS 208 Acute Right Lower Quadrant Pain Atif Zaheer, MD and Michael P.
Federle, MD, FACR 214 Acute Left Lower Quadrant Pain Atif Zaheer, MD and Michael P. Federle, MD, FACR SECTION 8: SPLEEN GENERIC IMAGING PATTERNS 222 Splenomegaly Siva P. Raman, MD 226 Multiple Splenic Calcifications Siva P. Raman, MD 228 Solid Splenic Mass or Masses Siva P. Raman, MD 230 Cystic Splenic Mass Siva P. Raman, MD MODALITY-SPECIFIC IMAGING FINDINGS COMPUTED TOMOGRAPHY 232 Diffuse Increased Attenuation, Spleen Siva P. Raman, MD SECTION 9: LIVER GENERIC IMAGING PATTERNS 236 Liver Mass With Central or Eccentric Scar Atif Zaheer, MD and Michael P. Federle, MD, FACR 240 Focal Liver Lesion With Hemorrhage Atif Zaheer, MD and Michael P.
Federle, MD, FACR 244 Liver "Mass" With Capsular Retraction Atif Zaheer, MD and Michael P. Federle, MD, FACR 246 Fat-Containing Liver Mass Atif Zaheer, MD and Michael P. Federle, MD, FACR 248 Cystic Hepatic Mass Atif Zaheer, MD and Michael P. Federle, MD, FACR 252 Focal Hypervascular Liver Lesion Atif Zaheer, MD and Michael P. Federle, MD, FACR 258 Liver Mass With Mosaic Enhancement Atif Zaheer, MD 262 Mosaic or Patchy Hepatogram Atif Zaheer, MD and Michael P. Federle, MD, FACR 266 Hepatic Calcifications Atif Zaheer, MD and Michael P. Federle, MD, FACR 270 Liver Lesion Containing Gas Atif Zaheer, MD and Michael P. Federle, MD, FACR 274 Portal Venous Gas Atif Zaheer, MD and Michael P.
Federle, MD, FACR 276 Widened Hepatic Fissures Atif Zaheer, MD and Michael P. Federle, MD, FACR 278 Dysmorphic Liver With Abnormal Bile Ducts Atif Zaheer, MD and Michael P. Federle, MD, FACR 282 Focal Hyperperfusion Abnormality (THAD or THID) Atif Zaheer, MD and Michael P. Federle, MD, FACR MODALITY-SPECIFIC IMAGING FINDINGS MAGNETIC RESONANCE IMAGING 288 Multiple Hypodense Liver Lesions Atif Zaheer, MD and Michael P. Federle, MD, FACR 294 Multiple Hypointense Liver Lesions (T2WI) Atif Zaheer, MD and Michael P. Federle, MD, FACR 298 Hyperintense Liver Lesions (T1WI) Atif Zaheer, MD and Michael P. Federle, MD, FACR 304 Liver Lesion With Capsule or Halo on MR Atif Zaheer, MD and Michael P. Federle, MD, FACR COMPUTED TOMOGRAPHY 308 Focal Hyperdense Hepatic Mass on Nonenhanced CT Atif Zaheer, MD and Michael P.
Federle, MD, FACR 312 Periportal Lucency or Edema Atif Zaheer, MD and Michael P. Federle, MD, FACR 318 Widespread Low Attenuation Within Liver Atif Zaheer, MD and Michael P. Federle, MD, FACR ULTRASOUND 322 Focal Hepatic Echogenic Lesion ± Acoustic Shadowing Atif Zaheer, MD, Gregory E. Antonio, MD, DRANZCR, FHKCR, and Eric K. H. Liu, PhD, RDMS 328 Hyperechoic Liver, Diffuse Atif Zaheer, MD, Gregory E. Antonio, MD, DRANZCR, FHKC.