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Endocrine Tumors, An Issue of Surgical Oncology Clinics of North America, E-Book

Endocrine Tumors, An Issue of Surgical Oncology Clinics of North America, E-Book

Douglas L Fraker

(2016)

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Book Details

Abstract

This issue of Surgical Oncology Clinics of North America, guest edited by Dr. Douglas L. Fraker, is devoted to Endocrine Tumors. Dr. Fraker has assembled expert authors to review the following topics: Management of thyroid nodular disease: Current cytopathology classifications and genetic testing; Surgical management of lymph node compartments in papillary thyroid cancer; Current guidelines for post-operative treatment and follow-up of well differentiated thyroid cancer; Outpatient thyroid surgery – is it safe?; Asymptomatic hyperparathyroidism- diagnostic pitfalls and surgical intervention; Intra-operative PTH monitoring: optimal utilization; Minimally invasive parathyroidectomy vs bilateral neck exploration for primary hyperparathyroidism; Pheochromocytoma and paraganglioma: Diagnosis, genetics, and treatment; Minimally invasive adrenalectomy; Treatment of adrenocortical cancinoma: benefits of aggressive surgery; Biochemical diagnosis and pre-operative imaging of gastro-intestinal neuroendocrine tumors; Minimally invasive techniques for resection of pancreatic neuroendocrine tumors; and Treatment of metastatic neuroendocrine tumors to the liver.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Endocrine Tumors i
Copyright ii
Contributors iii
CONSULTING EDITOR iii
EDITOR iii
AUTHORS iii
Contents vii
Foreword vii
Preface: Advances in Endocrine Surgery vii
Management of Thyroid Nodular Disease: Current Cytopathology Classifications and Genetic Testing vii
Surgical Management of Lymph Node Compartments in Papillary Thyroid Cancer vii
Current Guidelines for Postoperative Treatment and Follow-Up of Well-Differentiated Thyroid Cancer vii
Outpatient Thyroidectomy: Is it Safe? viii
Asymptomatic Primary Hyperparathyroidism: Diagnostic Pitfalls and Surgical Intervention viii
Intraoperative Parathyroid Hormone Monitoring: Optimal Utilization viii
Minimally Invasive Parathyroidectomy Versus Bilateral Neck Exploration for Primary Hyperparathyroidism viii
Pheochromocytoma and Paraganglioma: Diagnosis, Genetics, and Treatment ix
Minimally Invasive Adrenalectomy ix
Surgical Management of Adrenocortical Carcinoma: An Evidence-Based Approach ix
Biochemical Diagnosis and Preoperative Imaging of Gastroenteropancreatic Neuroendocrine Tumors ix
Minimally Invasive Techniques for Resection of Pancreatic Neuroendocrine Tumors x
Treatment of Neuroendocrine Liver Metastases x
SURGICAL ONCOLOGY\rCLINICS OF NORTH AMERICA xi
FORTHCOMING ISSUES xi
April 2016 xi
July 2016 xi
October 2016 xi
RECENT ISSUES xi
October 2015 xi
July 2015 xi
April 2015 xi
Foreword xiii
Preface: Advances in Endocrine Surgery xv
Management of Thyroid Nodular Disease 1
Key points 1
INTRODUCTION: NATURE OF THE PROBLEM 1
CYTOPATHOLOGIC CLASSIFICATION 2
Bethesda Classification System 2
Background 2
The classification system 2
Class I: nondiagnostic or unsatisfactory 2
Class II: benign 2
Class III: atypia of undetermined significance/follicular lesion of undetermined significance 4
Class IV: follicular neoplasm/suspicious for follicular neoplasm 4
Class V: suspicious for malignancy 4
Class VI: malignant 4
Accuracy and efficacy of the Bethesda system 4
MOLECULAR TESTS 5
Afirma 5
Test procedures 5
Validity of the Afirma test 6
GENETIC MUTATIONS 7
BRAFV600E 7
RAS 9
RET/PTC 10
PAX8/PPARγ 11
Other Mutations 11
Mutation Panels 11
Barriers to Regular Testing 12
SUMMARY 13
REFERENCES 13
Surgical Management of Lymph Node Compartments in Papillary Thyroid Cancer 17
Key points 17
INTRODUCTION 17
NOMENCLATURE: PROPHYLACTIC VERSUS THERAPEUTIC 18
EPIDEMIOLOGY OF CENTRAL NECK METASTASES 18
CONTROVERSY REGARDING PROPHYLACTIC CENTRAL NECK DISSECTION 18
PREOPERATIVE ASSESSMENT OF THE CERVICAL NODAL COMPARTMENTS 19
Imaging Studies 20
Image-Guided Needle Biopsy 21
Implications for Surgical Planning 22
INTRAOPERATIVE ASSESSMENT OF LYMPH NODE STATUS 22
Intraoperative Inspection, Palpation, and Frozen Section 23
Intraoperative Assessment of the Lateral Compartments 23
COMPARTMENTAL ANATOMY 24
Definition of the Central Neck Compartment 24
Definition of the Lateral Neck Compartments 26
TECHNIQUE OF CENTRAL NECK DISSECTION 27
Timing and Indications for Central Neck Dissection 27
Surgical Technique of Central Neck Dissection 27
Complications of Central Neck Dissection 28
TECHNIQUE OF LATERAL NECK DISSECTION 29
Timing and Indications for Lateral Neck Dissection 29
General Principles of Incision and Exposure 29
Level IV Dissection 30
Level V Dissection 30
Level III Dissection 31
Level II Dissection 31
Complications of Lateral Neck Dissection 31
IMPACT OF NODAL CLEARANCE ON RECURRENCE AND SURVIVAL 32
Impact of Nodal Basin Clearance on Recurrence and Survival 32
RECURRENT NODAL METASTASES 33
A Comparison of Surveillance Strategies Recommended by the American Thyroid Association and National Comprehensive Cancer N ... 33
Ultrasound and Serum Thyroglobulin Measurement Are Highly Accurate at Detecting Recurrence 33
Surveillance Frequently Reveals Recurrent or Persistent Disease 34
Recommendations for Surveillance of the Lateral Neck 34
Establishing the Diagnosis of Recurrent or Persistent Disease 34
Is Positive Imaging Alone Ever Sufficient? 34
The Treatment of Recurrent or Persistent Nodal Disease 35
SUMMARY 35
ACKNOWLEDGMENTS 36
REFERENCES 36
Current Guidelines for Postoperative Treatment and Follow-Up of Well-Differentiated Thyroid Cancer 41
Key points 41
ASSIGNMENT OF RISK 42
THE INCIDENTAL PAPILLARY THYROID MICROCARCINOMA 44
COMPLETION THYROIDECTOMY 45
RADIOACTIVE IODINE TREATMENT 45
Recombinant Human Thyrotropin Versus LT4 Withdrawal in an Iodine Deficient State 48
THYROID-STIMULATING HORMONE SUPPRESSION 48
POSTOPERATIVE ADJUNCTS FOR HIGH-RISK PATIENTS 49
SURVEILLANCE 49
TREATMENT OF RECURRENCE 51
RADIOACTIVE IODINE REFRACTORY DISEASE 52
SUMMARY 52
REFERENCES 52
Outpatient Thyroidectomy 61
Key points 61
BACKGROUND 61
DEFINITION OF OUTPATIENT THYROIDECTOMY 62
BENEFITS OF OUTPATIENT THYROIDECTOMY 62
Cost 62
Patient Satisfaction 62
Other Benefits 63
RISKS OF OUTPATIENT THYROIDECTOMY 63
Hematoma 63
Hypoparathyroidism 68
Recurrent Laryngeal Nerve Injury 68
APPROPRIATE PATIENT SELECTION FOR OUTPATIENT THYROIDECTOMY 68
TECHNIQUES TO IMPROVE SUCCESS OF OUTPATIENT THYROIDECTOMY 71
Anesthesia Techniques and Antinausea Medication 71
Postoperative instructions 71
Contacting Your Surgeon 71
Complications and symptoms you need to watch for 71
Bleeding in Your Neck 71
Low Calcium 71
Infection 71
Nerve Monitoring 72
Postoperative Parathyroid Hormone 72
SUMMARY 73
REFERENCES 73
Asymptomatic Primary Hyperparathyroidism 77
Key points 77
INTRODUCTION 77
BIOCHEMICAL DIAGNOSIS OF PRIMARY HYPERPARATHYROIDISM 78
Calcium 78
Parathyroid Hormone 79
Hypercalcemia with Inappropriately Normal Parathyroid Hormone: Nonclassic Primary Hyperparathyroidism 79
Vitamin D 80
Urinary Calcium Excretion 80
CONSIDERATIONS FOR DIFFERENTIAL DIAGNOSIS 81
Familial Hypocalciuric Hypercalcemia 81
Malignancy 81
Thiazides 81
Lithium 81
INDICATIONS, RISKS, AND BENEFITS OF PARATHYROIDECTOMY FOR PRIMARY HYPERPARATHYROIDISM 82
SURGICAL CRITERIA FOR ASYMPTOMATIC PRIMARY HYPERPARATHYROIDISM 82
Serum Calcium 82
Skeletal Criteria 82
Renal Criteria 84
Age 85
Atypical Symptoms 85
Cardiovascular 85
Neuropsychiatric and cognitive 86
SUMMARY 86
REFERENCES 86
Intraoperative Parathyroid Hormone Monitoring 91
Key points 91
INTRODUCTION 91
INTRAOPERATIVE PARATHYROID HORMONE: HISTORICAL PERSPECTIVE 92
OPERATIVE SUCCESS WITH INTRAOPERATIVE PARATHYROID HORMONE MONITORING 92
APPLICATION OF INTRAOPERATIVE PARATHYROID HORMONE MONITORING 93
INTRAOPERATIVE PARATHYROID HORMONE SAMPLING PROTOCOL 93
INTRAOPERATIVE PARATHYROID HORMONE CRITERIA FOR PREDICTING OPERATIVE SUCCESS 94
PREDICTING RECURRENCE WITH INTRAOPERATIVE PARATHYROID HORMONE 95
COST-EFFECTIVENESS OF INTRAOPERATIVE PARATHYROID HORMONE MONITORING 96
SUMMARY 97
REFERENCES 97
Minimally Invasive Parathyroidectomy Versus Bilateral Neck Exploration for Primary Hyperparathyroidism 103
Key points 103
INTRODUCTION 103
PATIENT EVALUATION 104
SURGICAL TREATMENT OPTIONS 105
Minimally Invasive Parathyroidectomy 105
Bilateral Neck Exploration 107
COMPARISON OF FOCUSED NECK EXPLORATION TO BILATERAL NECK EXPLORATION 109
Outcomes 109
Cost 109
Consensus Guidelines 110
Advantages and Disadvantages of Focused Neck Exploration Versus Bilateral Neck Exploration 111
SUMMARY 111
REFERENCES 112
Pheochromocytoma and Paraganglioma 119
Key points 119
INTRODUCTION: NATURE OF THE PROBLEM 119
EPIDEMIOLOGY 120
PATHOPHYSIOLOGY 120
CLINICAL PRESENTATION AND DIAGNOSIS 121
Clinical Presentation 121
Biochemical Evaluation 121
Imaging 123
Computed tomography 123
MRI 123
Functional imaging 124
Metaiodobenzylguanidine with single-photon emission computed tomography 124
Octreotide scan 125
PET/computed tomography scan 125
Genetic Testing 125
PREOPERATIVE MANAGEMENT 128
Nonselective Alpha-Blocking Agent 129
Selective Alpha-Blocking Agents 129
Beta-Blockers 130
Calcium Channel Blockers 130
Metyrosine 130
Fluid Management 130
SURGICAL TREATMENT OF THE PRIMARY TUMOR 131
POSTOPERATIVE MANAGEMENT, OUTCOMES, AND FOLLOW-UP 132
SUMMARY 133
REFERENCES 133
Minimally Invasive Adrenalectomy 139
Key points 139
INTRODUCTION 139
PATIENT EVALUATION AND INDICATIONS FOR ADRENALECTOMY 140
Imaging of Adrenal Masses 140
Biochemical Evaluation of Adrenal Tumors 141
METASTASES TO THE ADRENAL GLAND 141
PREOPERATIVE PREPARATION 143
APPROACHES TO SURGERY: LAPAROSCOPIC TRANSABDOMINAL VERSUS POSTERIOR RETROPERITONEOSCOPIC ADRENALECTOMY 143
SURGICAL TECHNIQUE: LAPAROSCOPIC TRANSABDOMINAL ADRENALECTOMY 144
Patient Positioning 144
Right Laparoscopic Transabdominal Adrenalectomy 144
Left Laparoscopic Transabdominal Adrenalectomy 145
SURGICAL TECHNIQUE: POSTERIOR RETROPERITONEOSCOPIC ADRENALECTOMY 146
OTHER APPROACHES TO ADRENALECTOMY 148
INDICATIONS FOR OPEN SURGERY 148
SUMMARY 149
REFERENCES 149
Surgical Management of Adrenocortical Carcinoma 153
Key points 153
INTRODUCTION 153
WHAT IS THE APPROPRIATE DIAGNOSTIC AND IMAGING WORKUP FOR PATIENTS WITH SUSPECTED ADRENOCORTICAL CARCINOMA? 154
WHAT ARE THE PATHOLOGIC DETERMINANTS OF MALIGNANCY? WHAT FACTORS ARE PROGNOSTIC IN RESECTED ADRENOCORTICAL CARCINOMA? 155
WHAT ARE THE PRINCIPLES OF SURGICAL AND PERIOPERATIVE MANAGEMENT FOR PRIMARY TUMORS? HOW SHOULD PATIENTS WHO HAVE UNDERGONE ... 157
IS THERE BENEFIT TO ROUTINE EN BLOC RESECTION OF ADJACENT ORGANS OR AGGRESSIVE REGIONAL LYMPHADENECTOMY? 159
IS THERE EVIDENCE TO SUPPORT MINIMALLY INVASIVE RESECTION FOR KNOWN OR SUSPECTED MALIGNANCY? 160
IS THERE A ROLE FOR AN AGGRESSIVE SURGICAL APPROACH IN LOCALLY RECURRENT OR METASTATIC DISEASE? 161
WHAT ARE THE CURRENT AND EMERGING OPTIONS FOR MULTIMODALITY MANAGEMENT OF ADRENOCORTICAL CARCINOMA? 163
PROPOSED APPROACH TO THE MULTIMODAL MANAGEMENT OF LOCALIZED ADRENOCORTICAL CARCINOMA 164
SUMMARY 165
REFERENCES 165
Biochemical Diagnosis and Preoperative Imaging of Gastroenteropancreatic Neuroendocrine Tumors 171
Key points 171
INTRODUCTION 171
BIOCHEMICAL MARKERS FOR GASTROENTEROPANCREATIC NEUROENDOCRINE TUMORS 172
Gastrointestinal Neuroendocrine Tumors 172
LABORATORY TESTS AND BIOMARKERS FOR GASTROINTESTINAL NEUROENDOCRINE TUMORS 174
CURRENT RECOMMENDATIONS FOR BIOCHEMICAL TESTING IN GASTROINTESTINAL NEUROENDOCRINE TUMORS 175
Pancreatic Neuroendocrine Tumors 176
Gastrinomas 176
Insulinoma 177
VIPomas 177
Glucagonoma 178
Somatostatinoma 178
Pancreatic polypeptide-secreting tumors and nonfunctional tumors 179
CURRENT RECOMMENDATIONS FOR BIOCHEMICAL TESTING IN PANCREATIC NEUROENDOCRINE TUMORS 179
BIOMOLECULAR DIAGNOSTICS IN NEUROENDOCRINE TUMORS 179
WREN Assay 179
Biotheranostics Test 180
Gene Expression Classifiers and Immunohistochemistry to Differentiate Small Bowel Neuroendocrine Tumors from Pancreatic Neu ... 180
IMAGING TESTS FOR DIAGNOSIS AND STAGING OF GASTROENTERICPANCREATIC NEUROENDOCRINE TUMORS 181
Computed Tomography 181
MRI 181
Ultrasound 183
Endoscopy 183
18-Fluorodeoxyglucose PET 183
Somatostatin Receptor Imaging 184
OctreoScan 184
68Ga-PET 185
SUMMARY 187
REFERENCES 187
Minimally Invasive Techniques for Resection of Pancreatic Neuroendocrine Tumors 195
Key points 195
INTRODUCTION 195
DIAGNOSIS 196
Insulinoma 196
Gastrinoma 196
Glucagonoma 197
Vasoactive Intestinal Peptideoma 197
Somatostatinoma 197
PREOPERATIVE EVALUATION 198
Localization 198
Patient Selection and Choice of Procedure 200
SURGICAL TECHNIQUE 201
Enucleation (Head) 201
Enucleation (Body and Tail) 201
Laparoscopic Distal Pancreatectomy (Spleen-preserving with Splenic Vessel Preservation) 202
Laparoscopic Distal Pancreatectomy (Spleen-preserving Distal Pancreatectomy Without Splenic Vessel Preservation) 203
Laparoscopic Distal Pancreatectomy with Splenectomy 203
Laparoscopic Central Pancreatectomy 203
Laparoscopic Pancreaticoduodenectomy 203
Robotic Surgery 204
Radiofrequency Ablation for Pancreatic Neuroendocrine Tumors 204
Endoscopic Ultrasonography-directed Alcohol Ablation 205
OUTCOMES 205
Laparoscopic Pancreatic Resections 205
Robotic Pancreaticoduodenectomy 207
Robotic Distal Pancreatectomies 208
Robotic Central Pancreatectomies 209
Overall Prognosis 210
SUMMARY 210
REFERENCES 210
Treatment of Neuroendocrine Liver Metastases 217
Key points 217
INTRODUCTION: NATURE OF THE PROBLEM 217
TREATMENT OPTIONS: LIVER RESECTION AND DEBULKING 217
LIVER RESECTION AND DEBULKING: REVIEW OF THE LITERATURE 218
TREATMENT OPTIONS: RADIOFREQUENCY ABLATION 221
SURGICAL TECHNIQUE 221
TREATMENT OPTIONS: INTRA-ARTERIAL THERAPIES 222
SUMMARY 223
REFERENCES 224