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The Acute Abdomen, An Issue of Radiologic Clinics of North America 53-6, E-Book

The Acute Abdomen, An Issue of Radiologic Clinics of North America 53-6, E-Book

Richard M. Gore

(2016)

Additional Information

Book Details

Abstract

Dr. Robert Gore (co-editor of Textbook of Gastrointestinal Radiology) has assembled an expert panel of authors on the topic of The Acute Abdomen. Articles will include: Evaluating the patient with right upper quadrant pain; Evaluating the patient with left upper quadrant pain; Evaluating the patient with right lower quadrant pain; Evaluating the patient with left lower quadrant pain; Acute pancreatitis; Acute disorders of the abdominal aorta; Bowel obstruction; Bowel ischemia; Acute infectious and inflammatory enterocolitides; Acute urinary tract disorders; Acute gynecologic disorders; Evaluating the acute abdomen in the pregnant patient; MR evaluation of the acute, non-traumatic abdomen in adolescents and adults; and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
The Acute Abdomen\r i
Copyright\r ii
Contributors iii
CONSULTING EDITOR iii
EDITOR iii
AUTHORS iii
Contents vii
Preface\r vii
Evaluating Patients with Right Upper Quadrant Pain\r vii
Evaluating Patients with Left Upper Quadrant Pain\r vii
Evaluating the Patient with Right Lower Quadrant Pain\r vii
Evaluating the Patient with Left Lower Quadrant Abdominal Pain\r viii
Imaging of Acute Pancreatitis\r viii
The Acute Abdominal Aorta\r viii
Bowel Obstruction\r viii
Radiological Evaluation of Bowel Ischemia\r viii
Acute Infectious and Inflammatory Enterocolitides\r ix
Acute Urinary Tract Disorders\r ix
Acute Gynecologic Disorders\r ix
Evaluating the Acute Abdomen in the Pregnant Patient\r ix
MR Evaluation of the Nontraumatic Acute Abdomen with CT Correlation\r x
PROGRAM OBJECTIVE xi
TARGET AUDIENCE xi
LEARNING OBJECTIVES xi
ACCREDITATION xi
DISCLOSURE OF CONFLICTS OF INTEREST xi
UNAPPROVED/OFF-LABEL USE DISCLOSURE xi
TO ENROLL xii
METHOD OF PARTICIPATION xii
CME INQUIRIES/SPECIAL NEEDS xii
RADIOLOGIC CLINICS OF NORTH AMERICA\r xiii
FORTHCOMING ISSUES xiii
January 2016 xiii
March 2016 xiii
May 2016 xiii
RECENT ISSUES xiii
September 2015 xiii
July 2015 xiii
May 2015 xiii
Preface : Imaging of the Acute Abdomen\r xv
Evaluating Patients with Right Upper Quadrant Pain 1093
Key points 1093
HEPATIC CAUSES OF ACUTE RIGHT UPPER QUADRANT PAIN 1093
Acute Hepatitis 1093
Hepatic Infection with Abscess Formation 1095
Vascular Abnormalities of the Liver 1099
Portal vein thrombosis 1099
Budd-Chiari Syndrome 1100
Hepatic Neoplasms 1102
Perihepatic Inflammation 1102
GALLBLADDER CAUSES OF RIGHT UPPER QUADRANT PAIN 1103
Cholelithiasis 1103
Biliary Sludge 1105
Acute Cholecystitis 1105
Imaging 1106
Acute Acalculous Cholecystitis 1109
Epidemiology and pathophysiology 1109
Imaging 1109
Ultrasonography 1109
Computed Tomography/MR Imaging 1110
COMPLICATIONS OF ACUTE CHOLECYSTITIS 1110
Gangrenous Cholecystitis 1110
Hemorrhagic Cholecystitis 1112
Emphysematous Cholecystitis 1113
Gallbladder Perforation 1114
CHRONIC CHOLECYSTITIS 1114
Pathogenesis and Epidemiology 1114
Imaging 1115
GALLBLADDER TORSION 1115
CHOLEDOCHOLITHIASIS 1115
Pathogenesis and Epidemiology 1115
Imaging 1116
Endoscopic retrograde cholangiopancreatography 1116
Ultrasonography 1116
Computed Tomography 1116
MR Imaging 1117
Cholangitis 1118
INTRAHEPATIC BILIARY CALCULI 1119
Recurrent Pyogenic Cholangitis 1119
Imaging 1119
OTHER CAUSES OF RIGHT UPPER QUADRANT PAIN RELATED TO GALLSTONES 1120
Spilled Gallstones After Laparoscopic Cholecystectomy 1120
Mirizzi Syndrome 1121
Gallstone Ileus 1121
REFERENCES 1122
Evaluating Patients with Left Upper Quadrant Pain 1131
Key points 1131
INTRODUCTION 1131
ANATOMY AND APPROACH TO IMAGING 1132
Anatomy 1132
Imaging 1135
SPLENIC INFARCT 1136
SICKLE CELL DISEASE 1137
SPLENIC INFECTIONS 1138
Splenic Abscess 1138
Splenic Microabscesses 1139
SPLENOMEGALY 1139
SPLENIC VEIN THROMBOSIS 1141
SPLENIC RUPTURE 1141
SPLENIC TORSION 1142
RUPTURED SPLENIC ARTERY ANEURYSM 1143
STOMACH 1143
PEPTIC ULCER DISEASE 1143
GASTRITIS 1145
GASTRIC VOLVULUS 1145
LEFT UPPER QUADRANT PAIN AFTER BARIATRIC SURGERY 1147
COMPLICATIONS OF PANCREATITIS SPECIFIC TO THE LEFT UPPER QUADRANT 1149
DIVERTICULITIS OF THE SPLENIC FLEXURE 1150
COLITIS OF THE SPLENIC FLEXURE 1150
ISCHEMIC COLITIS OF THE SPLENIC FLEXURE 1151
LEFT UPPER QUADRANT SMALL BOWEL OBSTRUCTION 1153
MISCELLANEOUS CAUSES 1153
SUMMARY 1153
REFERENCES 1153
Evaluating the Patient with Right Lower Quadrant Pain 1159
Key points 1159
INTRODUCTION 1159
IMAGING OF RIGHT LOWER QUADRANT PAIN 1159
ACUTE APPENDICITIS 1160
MESENTERIC ADENITIS 1162
MECKEL DIVERTICULUM 1162
NEUTROPENIC ENTEROCOLITIS (TYPHLITIS) 1163
RIGHT-SIDED DIVERTICULITIS 1164
EPIPLOIC APPENDAGITIS 1165
OMENTAL INFARCTION 1166
INFLAMMATORY BOWEL DISEASE 1167
SUMMARY 1168
REFERENCES 1168
Evaluating the Patient with Left Lower Quadrant Abdominal Pain 1171
Key points 1171
INTRODUCTION 1171
ACUTE DIVERTICULITIS 1172
Epidemiology 1172
Pathophysiology 1172
Clinical Presentation 1172
Imaging 1172
Methods and techniques 1172
Findings 1173
Computed tomography 1173
Ultrasound 1173
MR imaging 1173
Clinical Management and Prognosis 1174
UROLITHIASIS 1174
Epidemiology 1174
Clinical Presentation 1174
Pathophysiology 1175
Imaging 1175
Methods and techniques 1175
Findings 1175
Computed tomography 1175
Secondary findings 1175
Size and location 1175
Composition 1176
Ultrasound 1176
MR imaging 1176
Clinical Management and Prognosis 1176
FECAL IMPACTION AND STERCORAL PERFORATION 1176
Epidemiology 1176
Clinical Presentation 1177
Pathophysiology 1177
Imaging 1177
Methods and techniques 1177
Findings 1177
Clinical Management and Prognosis 1178
PRIMARY EPIPLOIC APPENDAGITIS 1178
Clinical Presentation 1179
Pathophysiology 1179
Imaging 1179
Methods and techniques 1179
Findings 1179
Computed tomography 1179
Ultrasound 1179
Magnetic resonance 1179
Clinical Management 1180
COLITIS 1180
Epidemiology 1180
Pathophysiology 1180
Clinical Presentation 1180
Imaging 1180
Methods and techniques 1180
Findings 1180
Clinical Management and Prognosis 1181
SPONTANEOUS RETROPERITONEAL AND RECTUS SHEATH HEMORRHAGE 1181
Epidemiology 1181
Clinical Presentation 1182
Pathophysiology 1182
Imaging 1182
Methods and techniques 1182
Findings 1182
Computed tomography 1182
Ultrasound 1184
MR imaging 1184
Clinical Management and Prognosis 1184
SUMMARY 1184
REFERENCES 1184
Imaging of Acute Pancreatitis 1189
Key points 1189
INTRODUCTION 1189
REVISED TERMINOLOGY AND CLASSIFICATION 1190
Diagnosis of Acute Pancreatitis 1190
Phases of Pancreatitis 1190
Early phase 1190
Late phase 1190
Types of Pancreatitis 1190
Interstitial edematous pancreatitis 1190
Necrotizing pancreatitis 1191
Severity of Pancreatitis 1191
Mild pancreatitis 1192
Moderately severe pancreatitis 1192
Severe pancreatitis 1192
Complications 1192
Organ failure 1192
Systemic complications 1192
Local complications 1192
IMAGING TECHNIQUES 1193
Computed Tomography 1193
Magnetic Resonance 1193
IMAGING FINDINGS 1194
Acute Interstitial Edematous Pancreatitis 1194
Acute Necrotizing Pancreatitis 1195
Pancreatic parenchyma necrosis alone 1195
Peripancreatic necrosis alone 1195
Combination of pancreatic parenchymal with peripancreatic necrosis 1196
Pancreatic and Peripancreatic Collections 1196
Acute peripancreatic fluid collection 1198
Pseudocyst 1198
Acute necrotic collection 1199
Walled-off necrosis 1199
Postnecrosectomy pseudocyst 1199
Superinfection of fluid collections 1200
DIFFERENTIAL DIAGNOSIS 1202
PITFALLS 1203
REFERRING CLINICIAN: POINTS OF KNOWLEDGE 1204
SUMMARY 1206
REFERENCES 1206
The Acute Abdominal Aorta 1209
Key points 1209
INTRODUCTION 1209
NORMAL ANATOMY 1210
IMAGING TECHNIQUE AND PROTOCOLS 1210
Computed Tomography 1210
What the referring clinician needs to know: computed tomography for endovascular therapy planning 1211
MR Imaging 1211
ACUTE AORTIC CONDITIONS 1211
Abdominal Aortic Aneurysm 1211
Diagnostic signs of acute or impending rupture of aneurysms of the abdominal aorta 1212
PENETRATING ATHEROSCLEROTIC ULCER 1212
Penetrating Atherosclerotic Ulcer: Pearls, Pitfalls, and Variants 1213
ABDOMINAL AORTIC DISSECTION 1213
INTRAMURAL HEMATOMA 1214
Intramural Hematoma: Pearls, Pitfalls, and Variants 1215
ACUTE TRAUMATIC AORTIC INJURY 1215
What the Referring Clinician Needs to Know: Traumatic Aortic Injury Classification 1216
AORTIC OCCLUSION AND MOBILE THROMBUS 1216
AORTIC VASCULITIS 1217
INFLAMMATORY ANEURYSM 1218
INFECTIOUS AORTITIS 1219
Pearls, Pitfalls, and Variants: Infectious Aortitis 1220
AORTOENTERIC FISTULA 1220
Aortoenteric Fistula: Clinical and Imaging Features 1221
SUMMARY 1221
REFERENCES 1221
Bowel Obstruction 1225
Key points 1225
INTRODUCTION 1225
PATHOPHYSIOLOGY 1225
CLINICAL FEATURES 1227
RADIOLOGIC EVALUATION OF BOWEL OBSTRUCTION 1227
Plain Abdominal Radiographs 1227
Intraluminal Contrast Material 1228
Computed Tomography 1228
Ultrasonography and MR imaging 1229
SMALL BOWEL OBSTRUCTION 1230
Adhesions 1230
Closed Loop Obstruction and Strangulation 1231
Hernias 1232
Internal hernias 1233
Extrinsic Tumors of the Mesentery and Omentum 1234
Primary Small Bowel Tumors 1234
Crohn Disease 1235
Intraluminal Causes 1235
Intussusception 1236
LARGE BOWEL OBSTRUCTION 1237
Carcinoma of the Colon 1237
Diverticulitis 1237
Volvulus 1237
Adult Intussusception 1238
Adhesions 1238
Hernias 1238
Obturation Obstruction 1238
SUMMARY 1239
REFERENCES 1239
Radiological Evaluation of Bowel Ischemia 1241
Key points 1241
PATHOPHYSIOLOGY AND PRESENTATION 1241
ACUTE MESENTERIC ISCHEMIA 1241
LABORATORY TESTS AND ADDITIONAL CONSIDERATIONS 1242
COMPUTED TOMOGRAPHY ORAL CONTRAST: POSITIVE OR NEUTRAL? 1243
COMPUTED TOMOGRAPHY SCAN PARAMETERS 1244
ANATOMY 1244
STAGES OF ISCHEMIA 1245
ARTERIAL ISCHEMIA: BLOOD VESSEL EVALUATION 1245
ARTERIAL ISCHEMIA: BOWEL WALL EVALUATION 1246
VENOUS ISCHEMIA: MESENTERIC VEIN EVALUATION 1249
NONOCCLUSIVE MESENTERIC ISCHEMIA 1250
SUMMARY 1253
REFERENCES 1253
Acute Infectious and Inflammatory Enterocolitides 1255
Key points 1255
CLINICAL PRESENTATION IN ACUTELY ILL PATIENTS WITH INFLAMMATORY BOWEL DISEASE OR INFECTION 1255
RADIOGRAPHIC EVALUATION OF ACUTELY ILL PATIENTS WITH INFLAMMATORY BOWEL DISEASE OR INFECTION 1255
DOSE REDUCTION IN COMPUTED TOMOGRAPHY IN EMERGENCY DEPARTMENT/EMERGENT SETTINGS 1256
OTHER IMAGING TECHNIQUES 1256
IMAGING THE ACUTE ABDOMEN IN PATIENTS WITH BOTH ULCERATIVE COLITIS AND CROHN DISEASE 1256
SEVERE COLITIS WITHOUT OR WITH MEGACOLON 1256
MESENTERIC VENOUS THROMBI AND THROMBOSIS 1257
ACUTE GASTROINTESTINAL HEMORRHAGE 1258
IMAGING THE ACUTE ABDOMEN IN PATIENTS WITH CROHN DISEASE 1258
SMALL BOWEL OBSTRUCTION IN CROHN DISEASE 1258
PENETRATING CROHN DISEASE 1259
IMAGING THE ACUTE ABDOMEN IN PATIENTS WITH INFECTIONS OF THE COLON AND SMALL BOWEL 1261
CLOSTRIDIUM DIFFICILE COLITIS 1262
WHIPPLE DISEASE 1264
IMAGING THE ACUTE ABDOMEN IN PATIENTS WITH MISCELLANEOUS CAUSES OF ENTEROCOLITIDES 1264
NEUTROPENIC COLITIS (TYPHLITIS) 1264
SMALL BOWEL DIVERTICULITIS 1265
FOREIGN BODY PERFORATION 1265
GLUTARALDEHYDE COLITIS 1267
DIVERSION COLITIS 1268
REFERENCES 1268
Acute Urinary Tract Disorders 1273
Key points 1273
INTRODUCTION 1273
ANATOMY 1273
IMAGING TECHNIQUE 1273
URINARY TRACT CALCULUS IMAGING 1276
RENAL INFECTION IMAGING 1279
Renal Arterial Infarct 1282
Renal vein thrombosis 1283
Renal hemorrhage 1285
Alternative diagnoses 1287
SUMMARY 1289
REFERENCES 1289
FURTHER READING 1292
Acute Gynecologic Disorders 1293
Key points 1293
INTRODUCTION 1293
ECTOPIC PREGNANCY 1293
HETEROTOPIC PREGNANCY 1294
HEMORRHAGIC OVARIAN CYST 1294
CORPUS LUTEUM 1295
OVARIAN TORSION 1295
PELVIC INFLAMMATORY DISEASE–TUBOOVARIAN ABSCESS 1296
INTRAUTERINE DEVICE IN PREGNANCY 1297
INTRAUTERINE DEVICE COMPLICATIONS 1298
ACUTE APPENDICITIS 1298
ADNEXAL MASSES 1299
OVARIAN CYSTS 1299
ENDOMETRIOMAS 1300
DERMOIDS 1301
MALIGNANT ADNEXAL LESIONS 1301
HYDROSALPINX 1302
HEMATOCOLPOS 1303
RETAINED PRODUCTS OF CONCEPTION 1304
REFERENCES 1306
Evaluating the Acute Abdomen in the Pregnant Patient 1309
Key points 1309
INTRODUCTION 1309
IMAGING TECHNIQUE AND SAFETY 1310
OBSTETRIC CAUSES 1311
Ectopic Pregnancy 1311
Placental Abruption 1312
Placental Adhesive Disorders 1313
Uterine Rupture 1314
GYNECOLOGIC CAUSES 1315
Adnexal Masses 1315
Ovarian Torsion 1315
Uterine Leiomyoma 1315
NONOBSTETRIC AND NONGYNECOLOGIC CAUSES 1317
Urolithiasis 1317
Gastrointestinal Causes 1318
Acute appendicitis 1318
Intestinal obstruction 1319
Inflammatory bowel disease 1319
Hepatobiliary Causes 1319
Acute cholecystitis 1319
Acute pancreatitis 1321
Hemolysis, elevated liver enzyme levels syndrome 1322
Vascular Causes 1322
Venous thromboembolic disease 1322
Gonadal vein dilatation 1322
SUMMARY 1323
REFERENCES 1323
MR Evaluation of the Nontraumatic Acute Abdomen with CT Correlation 1327
Key points 1327
INTRODUCTION 1327
MR IMAGING PROTOCOL 1328
MR IMAGING FINDINGS WITH COMPUTED TOMOGRAPHY CORRELATION 1329
Acute Appendicitis 1329
Acute Diverticulitis 1329
Acute Cholecystitis 1330
Acute Pancreatitis 1332
Bowel Obstruction 1333
Inflammatory Bowel Disease 1333
Ovarian Torsion 1334
Urolithiasis 1335
OTHER ALTERNATIVE DIAGNOSES 1337
WHAT THE REFEREEING PHYSICIAN NEEDS TO KNOW 1337
SUMMARY 1337
REFERENCES 1337
Index 1341