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Hepatobiliary and Pancreatic Surgery E-Book

Hepatobiliary and Pancreatic Surgery E-Book

O. James Garden | Rowan W Parks

(2013)

Additional Information

Abstract

Hepatobiliary & Pancreatic Surgery meets the needs of surgeons in higher training and practising consultants for a contemporary and evidence-based account of this sub-specialty that is relevant to their general surgical practice. It is a practical reference source incorporating the most current information on recent developments, management issues and operative procedures. The text is thoroughly referenced and supported by evidence-based recommendations wherever possible, distinguishing between strong evidence to support a conclusion, and evidence suggesting that a recommendation can be reached on the balance of probabilities.

This is a title in the Companion to Specialist Surgical Practice series whose eight volumes are an established and highly regarded source of information for the specialist general surgeon.

  • The Companion to Specialist Surgical Practice series provides a current and concise summary of the key topics within each major surgical sub-specialty.
  • Each volume highlights evidence-based practice both in the text and within the extensive list of references at the end of every chapter.
  • An expanded authorship team across the series includes additional European and World experts with an increased emphasis on global practice.
  • The contents of the series have been extensively revised in line with recently published evidence.
  • The contents highlight the increasing use of laparoscopic surgical technique in the management of HPB disease.
  • The contributions incorporate the latest oncological approaches to the management of HPB malignancy.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Hepatobiliary and Pancreatic Surgery: A COMPANION TO SPECIALIST SURGICAL PRACTICE iii
Copyright iv
Contents v
Contributors vii
Series Editors' preface ix
Editors' preface xi
Acknowledgements xi
Evidence-based practice in surgery xiii
Chapter 1: Liver function and failure 1
Overview of liver functions and evolution 1
Symptoms of liver failure: acute and chronic 1
Common causes of acute liver failure: hepatic insufficiency following liver resections 2
Chronic liver failure 3
Metabolic liver function 3
Measuring liver volume 4
Blood tests of liver function 5
Tests of liver function measuring substance clearance 5
Indocyanine green (ICG) 6
Hepatobiliary scintigraphy 6
Lidocaine (MEG-X) 6
Aminopyrine breath test 6
Urea synthesis 6
Glutathione synthesis 7
Measuring liver blood flow 7
Effect of major liver resection on hepatic blood flow 8
Effect of major liver resection on innate immunity 8
Liver regeneration 9
Molecular signals for hepatic regeneration 9
Cell populations involved in liver regeneration 9
Consequences of surgery 10
Small-for-size syndrome 10
Hepatic steatosis 11
Assessment of steatosis 11
Chemotherapy-induced liver changes 11
Portal vein embolisation 11
Technique 12
Therapy for liver failure 13
N -Acetyl cysteine 13
Nutritional support in liver failure 13
Artificial extracorporeal liver support 13
Artificial liver support 13
Bioartificial liver systems 13
Liver transplantation 14
Cell therapy for liver failure: general principles 14
Haemopoetic stem cell therapy for liver disease in humans 14
Future developments 15
References 15
Chapter 2: Hepatic, biliary and pancreatic anatomy 17
Liver 17
Overview of hepatic anatomy and terminology 17
Divisions of the liver based on the hepatic artery 17
Resectional terminology 20
Surgical anatomy for liver resections 21
Hepatic arteries and liver resections 21
Bile ducts and liver resections 22
Prevailing pattern and important variations of bile ducts draining the right hemiliver 22
Prevailing pattern and important variations of bile ducts draining the left hemiliver 23
Prevailing pattern of bile ducts draining the caudate lobe (Sg1) 24
Portal veins and liver resections 24
Ramification of the left portal vein (Figs 2.10 and 2.11) 24
Hepatic veins and liver resection (Fig. 2.13) 26
The plate/sheath system of the liver 28
Liver capsule and attachments 29
Surface anatomy 30
Gallbladder and extrahepatic bile ducts 30
Gallbladder 30
Agenesis of the gallbladder 30
Double gallbladder 30
Cystic duct 30
Cystic artery 31
Extrahepatic bile ducts 31
Anomalies of extrahepatic bile ducts 32
Extrahepatic arteries 32
Blood supply of bile ducts 32
Pancreas 34
Pancreatic ducts 34
Blood supply of the pancreas 34
Lymphatics of the pancreas 35
Anatomical relations and ligaments of the pancreas 36
References 37
Chapter 3: Staging and assessment of hepatobiliary malignancies 39
Introduction 39
Colorectal liver metastases 39
Transabdominal ultrasound 39
Computed tomography and magnetic resonance imaging 40
Positron emission tomography 40
Diagnostic laparoscopy and laparoscopic ultrasound 41
Staging and assesment of resectability 41
Hepatocellular carcinoma 42
Transabdominal ultrasound 42
Computed tomography and magnetic resonance imaging 42
Diagnostic laparoscopy and laparoscopic ultrasound 43
Staging and assesment of resectability 43
Pancreatic and periampullary carcinoma 44
Transabdominal ultrasound 44
Computed tomography and magnetic resonance imaging 45
Endoscopic retrograde cholangiopancreatography (ERCP) 45
Endoscopic ultrasound 46
Positron emission tomography 46
Diagnostic laparoscopy and laparoscopic ultrasound 46
Staging and assesment of resectability 47
Proximal bile duct tumours 50
Transabdominal ultrasound 50
Computed tomography and magnetic resonance imaging 50
Endoscopic retrograde cholangiopancreatography 51
Positron emission tomography 51
Diagnostic laparoscopy and laparoscopic ultrasound 51
Staging and assesment of resectability 52
References 55
Chapter 4: Benign liver lesions 59
Introduction 59
Classification 60
Haemangiomas 60
Pathology 60
Clinical presentation 61
Management 63
Liver cell adenoma 64
Pathology 64
Clinical presentation 65
Management 65
Focal nodular hyperplasia 65
Pathology 65
Clinical features 67
Management 67
Nodular regenerative hyperplasia (macroregenerative nodules) 68
Bile duct adenoma (bile duct hamartoma) 68
Hepatic pseudotumours 68
Miscellaneous benign tumours 68
Liver abscess 69
Clinical presentation 69
Management 69
Amoebic abscess 70
Hydatid cyst 71
Clinical presentation 71
Management 72
Simple cysts of the liver 73
Clinical presentation 73
Chapter 5: Primary malignant tumours of the liver 80
Introduction 80
Hepatocellular carcinoma 80
Incidence of HCC 80
Risk factors for HCC 81
Cirrhosis 81
HBV infection 81
HCV infection 82
Human immunodeficiency virus (HIV) infection 82
Other viral infections 82
Alcohol 82
Non-alcoholic fatty liver disease (NAFLD) 82
Hereditary haemochromatosis 83
Cirrhosis of other aetiologies 83
Aflatoxin 83
Metabolic liver diseases 83
Adenoma, contraceptives and androgens 84
Pathology of HCC and nodular lesions in chronic liver disease 84
Clinical presentation 85
Liver function tests and tumour markers 86
Liver function tests 86
Serum tumour markers 86
α-Fetoprotein 86
Others serum tumour markers 86
Radiological studies 86
Ultrasound 87
Computed tomography 87
Magnetic resonance imaging 87
Contrast-enhanced ultrasound 88
Other imaging 89
Angiography 89
Positron emission tomography 89
Accuracy of imaging techniques 89
Requirement for and reliability of histological assessment 89
Diagnosis of HCC 89
Natural history of HCC and staging systems 90
Screening for HCC 91
Treatment options 92
HCC in normal livers 92
Liver resection of HCC in cirrhotic patients 93
Liver resection 93
Main limitations 93
Risk of surgery and patient selection 93
Technique 94
Outcome after resection 94
Treatment of recurrence 94
Liver transplantation (LT) 95
Rationale 95
Patient selection 95
Treatment on the waiting list 95
Transarterial chemoembolisation (TACE) 96
Technique 96
Contraindications 96
Morbidity and mortality 96
Monitoring 96
Efficacy 96
Percutaneous local ablative therapy 97
Technique 97
Advantages and drawbacks 97
Contraindications and limitations 98
Methods and margins 98
Indication 98
Other palliative treatments 98
Conventional systemic chemotherapy 98
Anti-angiogenic targeted therapies 99
Radioembolisation 99
Other treatments 99
Defining a treatment strategy 99
Uncomplicated HCC associated with chronic liver disease 99
Treatment of complicated HCC 100
HCC with macroscopic portal vein invasion 100
HCC with macroscopic invasion of hepatic veins 100
Ruptured HCC 100
Fibrolamellar carcinoma (FLC) 100
Intrahepatic cholangiocarcinoma (ICCA) 100
Incidence 101
Risk factors 101
Classification and staging 101
Pathology and progression analysis 101
Clinical presentation and laboratory tests 102
Imaging studies 102
Diagnosis 102
Treatment 102
Epithelioid haemangio-endothelioma (EHE) 103
Angiosarcoma 104
Primary hepatic lymphoma 105
References 106
Chapter 6: Colorectal liver metastases 109
Introduction 109
Preoperative staging: the key to selection of candidates for curative treatment 109
Computed tomography (CT) 109
Magnetic resonance imaging (MRI) 110
Positron emission tomography (PET) 112
Staging laparoscopy 112
Cardiopulmonary exercise testing 113
Surgery: the old and the new standards for resection 114
Criteria for resection 114
Surgical strategies to improve resectability 116
Portal vein embolisation 116
Two-stage hepatectomy 116
Repeat hepatectomy 116
Extreme liver surgery 116
Extrahepatic colorectal disease 116
Techniques of surgical resection 117
Transection techniques 117
Fibrin sealants 117
Laparoscopic liver surgery: less is more? 117
Morbidity, mortality and survival after liver resection for CRLMs 118
Classification of CRLMs 118
Staging systems and terminology 118
Chemotherapy for CRLMs 120
Agents 120
Clarifying the intent of chemotherapy in CRLMs 120
Conversion/induction chemotherapy 120
Perioperative chemotherapy 122
Pathological response to chemotherapy as a predictor of long-term outcome 123
Chemotherapy-associated hepatotoxicity 123
Liver-targeted therapies 124
Hepatic arterial infusion 124
Drug-eluting beads for TACE (DEB-TACE) 124
Selective internal radiation treatment (SIRT) 125
Ablative therapies for CRLMs 125
Radiofrequency ablation 125
Microwave ablation 125
Multidisciplinary team approach 125
Conclusions 126
References 127
Chapter 7: Non-colorectal hepatic metastases 132
Introduction 132
Pathophysiology and molecular basis of liver metastases 133
Clinical approach to non-colorectal liver metastases 134
Treatment strategies 134
Neuroendocrine tumours 134
Gastrointestinal stromal tumours 136
Breast cancer 137
Ovarian cancer 137
Renal cell carcinoma 138
Melanoma 139
Non-colorectal gastrointestinal adenocarcinoma 139
Testicular cancer 140
Urothelial cancer 141
Lung cancer 141
Adrenocortical tumours 141
Endometrial cancer 141
Conclusion 141
References 142
Chapter 8: Portal hypertension 146
Introduction 146
Aetiology and pathophysiology of portal hypertension 146
The natural history of portal hypertension 147
Presentation 148
Imaging 148
Management of varices 148
Therapeutic aims for pharmacological therapy in portal hypertension 149
Oesophageal varices 149
Primary prophylaxis for the prevention of variceal haemorrhage 149
Prevention of re-bleeding from oesophageal varices (secondary prophylaxis) 150
Treatment for bleeding oesophageal varices 152
Gastric varices 152
Portal hypertensive gastropathy 154
Second-line therapies 154
TIPS (transjugular intrahepatic portosystemic shunt) 154
TIPS for variceal bleeding 155
Surgical options 155
Portal systemic shunts 155
Liver transplantation 157
Selection of second-line therapy 157
Non-cirrhotic 157
Cirrhotic 157
Management of ascites 157
Budd–Chiari syndrome 158
Acute Budd–Chiari syndrome 158
Chronic Budd–Chiari syndrome 159
Non-cirrhotic portal hypertension 159
Portal vein thrombosis 159
Segmental portal hypertension 159
TIPS and portal vein thrombosis 159
References 160
Chapter 9: The spleen 164
Introduction 164
Postsplenectomy sepsis 164
Trauma 165
Elective indications for splenectomy 166
Immune thrombocytopenic purpura 166
Evans syndrome 167
Hereditary spherocytosis 167
Elliptocytosis 167
Thallassaemias 167
Sickle cell anaemia 167
Autoimmune haemolytic anaemia 167
Lymphoma 167
Myeloid disease 168
Volvulus 168
Haemangiomas 168
Cysts 168
Portal hypertension 168
Preparation for splenectomy 168
Technique 168
Open splenectomy 168
Laparoscopic splenectomy 169
Postoperative management and complications 171
Summary 171
References 171
Chapter 10: Gallstones 174
Introduction 174
Composition, formation and risk factors 174
Presentation 175
Cholecystolithiasis 175
Pathophysiology 175
Chapter 11: Benign biliary tract diseases 196
Introduction 196
Congenital anomalies 196
Biliary atresia 196
Choledochal cysts 196
Classification 197
Risk of malignancy 197
Management 197
Special operative techniques 198
Iatrogenic biliary injury 199
Aetiology 199
Techniques to avoid injury 199
Classification 201
Presentation 201
Management 203
Intraoperative recognition 203
Postoperative recognition: biliary fistula 203
Postoperative recognition: biliary obstruction 204
The timing of repair 205
Early repair 205
Delayed repair 205
Associated vascular injury 206
Further imaging 206
Operative techniques 207
Management of complications related to repair 208
Revisional surgery 208
Liver resection and transplantation 208
Prognosis 209
Success of repair 209
Survival 209
Quality of life 209
Associated malignancy 209
Benign biliary strictures 209
Mirizzi's syndrome 209
Presentation 210
Management 210
Hepatolithiasis 211
Management 211
Parasitic infestation causing jaundice 211
Liver flukes (trematodes) 211
Echinococcus 212
Treatment 212
Ascaris lumbricoides 212
Primary sclerosing cholangitis 212
Aetiology 212
Presentation 212
Investigation 212
Management 213
Exclusion of associated malignant stricture 213
Biliary strictures imitating malignancy 213
Lymphoplasmacytic sclerosing pancreatitis 213
Functional biliary disorders 214
References 214
Chapter 12: Malignant lesions of the biliary tract 218
Introduction 218
Cholangiocarcinoma 218
General considerations 218
Epidemiology 218
Natural history 218
Aetiology 219
Histopathology 219
Cholangiocarcinoma involving the proximal bile ducts (hilar cholangiocarcinoma) 221
Clinical presentation and diagnosis 221
Radiological investigation 222
Direct cholangiography 222
Computed tomography 222
Duplex ultrasonography 222
Magnetic resonance cholangiopancreatography (MRCP) 223
Preoperative evaluation and assessment of resectability 223
Treatment options 225
Resection 225
Results of resection 226
Adjuvant therapy 227
Palliation 227
Percutaneous biliary drainage 228
Intrahepatic biliary-enteric bypass 228
Radiation therapy 228
Photodynamic therapy 228
Chemotherapy 229
Cholangiocarcinoma involving the distal bile duct 229
Clinical presentation and diagnosis 229
Staging and assessment of resectability 230
Treatment options 230
Cholangiocarcinoma involving the intrahepatic bile ducts 230
Clinical presentation 230
Diagnosis 230
Radiological investigations 231
Staging and assessment of resectability 231
Treatment options 231
Gallbladder cancer 232
Epidemiology/aetiology 232
Clinical presentation and diagnosis 233
Histopathology and staging 234
Evidence for an aggressive surgical approach 235
Surgical therapy 235
T1 tumours 236
T2 tumours 236
T3 tumours 236
T4 tumours 236
Preoperative suspicion of malignancy 236
Unsuspected malignancy at exploration 236
Malignancy diagnosed post-cholecystectomy 237
Adjuvant therapy 237
Palliation 237
References 238
Chapter 13: Acute pancreatitis 244
General description 244
Pathophysiology 244
Natural history 244
Diagnosis 245
Aetiology 246
Obstructive factors 246
Biliary disease 246
Benign pancreatic duct stricture 246
Tumours of the ampulla or pancreas 246
Toxic factors 246
Metabolic factors 246
Genetic defects 246
Trauma 246
Iatrogenic causes 246
Inflammatory 247
Physiological 247
Sphincter manometric abnormalities 247
Assessment of severity 247
Single biochemical measures 247
C-reactive protein (CRP) 247
Other single predictive markers 247
Intra-abdominal hypertension (IAH) 247
Repeated clinical assessment 248
Imaging 248
Role of ultrasound (US) 248
Role of CT 248
Role of magnetic resonance (MR)/magnetic resonance cholangiopancreatography (MRCP) 248
Endoscopic ultrasound (EUS) 249
Management 249
Initial management 249
Supportive management 249
Specific medical management 250
Prevention of infection 250
Nutritional support 250
Nutritional delivery in the patient with acute pancreatitis 250
Disease modulation through content or mode of delivery 250
Other medical therapies 251
Inhibition of pancreatic secretion 251
Inhibition of pancreatic enzymes 251
Inhibition of the inflammatory response 251
Role of ERCP 251
Definitive management issues 251
Prevention of recurrent acute pancreatitis 251
Management of gallstones 251
Investigation of non-gallstone-associated pancreatitis 251
Peripancreatic fluid collections 252
Management of an early fluid collection 252
Management of a pseudocyst 252
Percutaneous drainage 252
Endoscopic drainage 252
Surgical drainage of an acute post-inflammatory collection 252
Management of a pancreatic duct fistula 253
Management of necrosis 253
Management of sterile necrosis 253
Management of infected necrosis (early phase, 2–6 weeks) 254
Methods of necrosectomy 254
Open laparotomy/debridement 254
Minimally invasive approaches to infected necrosis 255
Management of pancreatic abscess 256
Specific late complications 256
Haemorrhage 256
Segmental portal hypertension and gastrointestinal haemorrhage 256
Pancreatic duct stricture 257
Gastric outlet obstruction 257
References 257
Chapter 14: Chronic pancreatitis 260
Summary 260
Definition 260
Incidence 261
Aetiology 261
Clinical course 261
Pathophysiological findings and pain mechanisms in chronic pancreatitis 262
Calcifying CP 262
Autoimmune pancreatitis 262
Hereditary CP 263
Pathogenesis of pain in chronic pancreatitis 263
Preoperative assessment and investigations 264
Laboratory evaluation 264
Imaging studies 264
Treatment 264
Conservative therapy 264
Endoscopic and interventional treatment 264
Endoscopy 265
Surgical therapy, timing and indications 265
Surgical techniques 267
Selection of the surgical intervention 267
Pancreatico-duodenectomy 268
Distal and total pancreatectomy 268
Partington–Rochelle procedure 268
Longitudinal pancreatico-jejunostomy and cyst drainage 268
Beger procedure 268
Frey procedure 268
Berne procedure 269
Hamburg procedure 269
V-shaped excision 269
Selection of the procedure 270
Salvage procedures 270
Complications of chronic pancreatitis 270
References 272
Chapter 15: Pancreatic adenocarcinoma 275
Introduction 275
Epidemiology 275
Risk factors (see Box 15.1) 275
Smoking 275
Diet and alcohol 276
Occupation 276
Past medical history 276
Hereditary pancreatic cancer 276
Precursor lesions 277
Presentation 277
Investigation 278
Serology 278
Markers 278
Diagnosis 279
Imaging studies 279
Cytology/histology 280
Advanced staging techniques 280
Laparoscopy 280
Pathology 281
Treatment 281
Resection 281
Pancreatico-duodenectomy 283
Pylorus-preserving pancreatico-duodenectomy (PPPDR) 283
Extended lymph node and vascular dissection 284
Distal pancreatectomy 284
Laparoscopic pancreatectomy 284
Total pancreatectomy 284
Central pancreatectomy 284
Surgical palliation 284
Obstructive jaundice 284
Upper GI tract outflow obstruction 284
Adjuvant therapies 285
Neoadjuvant therapy 285
Future areas of interest 285
References 286
Chapter 16: Cystic and neuroendocrine tumours of the pancreas 289
Introduction 289
Intraductal papillary mucinous neoplasms 289
Clinical presentation 289
Investigation 290
Pathology 291
Management 292
Outcome 294
Pancreatic neuroendocrine tumours 295
Clinical presentation 295
Investigations 295
Biochemical 295
Radiology 295
Treatment 297
Metastatic disease 299
Pathology and outcome 299
Other tumours 299
References 301
Chapter 17: Hepatobiliary and pancreatic trauma 304
Introduction 304
Liver trauma 304
Mechanisms of liver injury 304
Classification of liver injury 305
Diagnosis of liver injury 305
Other diagnostic/therapeutic modalities for the assessment and treatment of liver injury 308
Management of liver injury: selection of patients for non-operative management 308
Operative management of liver injury 309
General strategy 309
Choice of incision 309
Intraoperative assessment 310
Perihepatic packing 311
Techniques for surgical haemostasis 313
Resectional debridement 314
Anatomical liver resection 314
Selective ligation of the hepatic artery 314
Management of hepatic venous and retrohepatic caval injury 314
Ex vivo surgery and liver transplantation 315
Complications of liver trauma 315
Complications of non-operative management 315
Postoperative complications after surgery for liver trauma 315
Outcome after liver injury 316
Extrahepatic biliary tract trauma 316
Incidence of biliary injury 316
Classification of biliary injury 317
Presentation and diagnosis of biliary injury 317
Operative management of biliary injury 318
Outcome after biliary injury 318
Pancreatic trauma 318
Mechanisms of pancreatic injury 318
Diagnosis of pancreatic injury 318
Classification of pancreatic injury 319
Initial management of pancreatic injury 320
Operative management of pancreatic injury 320
Complications of pancreatic injury 321
Conclusion 322
References 323
Index 327