Radiology Strategies Book

Preface ix

Contributors xi

Acknowledgment xiii

How to use this book xv

Imaging algorithms for common clinical presentations xvii

1 Use Of Intravenous Radiographic Contrast Agents Julia R. Fielding 1

Iodine-Based Agents 2

Gadolinium Chelates 3

2 Value Of Diagnostic Tests Bonnie Yankaskas 5

3 Diseases of the Head, Neck, Brain, and Nervous System Valerie Jewells Wui K. Chong 9

Spinal Tumor 10

Brain Tumor 14

Intracranial Infections 18

Head Trauma 22

Head and Neck Imaging 24

Stroke 28

Spinal Trauma 32

Spinal Discogenic Disease 34

Multiple Sclerosis 36

Congenital Central Nervous System Disease 38

Thyroid Nodule 42

4 Diseases of the Chest and Breast Aamer R. Chughtai Wittaya Padungchaichote 45

Postoperative Shortness of Breath 46

Worsening Dyspnea with Joint Stiffness 50

Hypertension and Chest Pain 52

Severe Central Chest Pain 56

Hemoptysis 60

Progressive Shortness of Breath 64

Syncope, History of Malignancy 68

Chest Trauma 72

Shortness of Breath 74

Fever and Chest Pain 76

Dysphagia 80

Painful Breast Mass 82

Painless Breast Mass 84

5 Diseases of the Gastrointestinal Tract Julia R. Fielding Wui K. Chong 87

Crohn Disease 88

Dropping Hematocrit 90

Palpable Abdominal Mass 92

Dysphagia 94

Diverticulitis 96

Appendicitis 98

Postoperative Fever 100

Small-Bowel Obstruction 102

Solitary Liver Lesion 104

Incomplete Colonoscopy 106

Elevated Liver Function Tests with Abdominal Pain 108

Painless Jaundice 110

Abdominal Distention 114

6 Diseases of the Genitourinary Tract Julia R. Fielding Wui K. Chong Ellie R. Lee 117

Incidental Renal Mass 118

Painful Testicle 120

Painful Hematuria 124

Painless VaginalBleeding 126

Painful Adnexal Mass 130

Painful Pelvic Mass 132

Infertility 134

Prostate Cancer 136

Transitional Cell Carcinoma 140

Urethral Trauma 142

Painless Renal Failure or Elevation in Serum Creatinine 144

Ectopic Pregnancy 146

Abdominal Pain and Pregnancy 148

7 Diseases of the Musculoskeletal System NancyM. Major Taymon Domzalski 151

Ankle Pain 152

Osteomyelitis 154

Rheumatoid Arthritis 156

Soft Tissue Tumor 158

Rotator Cuff Tear 160

Cervical Spine Injury 164

Knee Injury 166

Knee Dislocation 168

Back Pain 170

Bone Tumors 174

8 Diseases of the Cardiovascular System W. Brian Hyslop Robert Dixon 177

Back Pain 178

Screening for Coronary Artery Disease 180

Persistent Heart Failure following Myocardial Infarction 182

Episodic Chest Pain 186

Sudden Cardiac Death 188

Severe Hypertension 190

Asymptomatic Patient following Abdominal Aortic Aneurysm Repair 194

Claudication 198

Leg Swelling 202

Dialysis Access 206

Abdominal Aortic Aneurysm 208

9 Imaging of Pediatric Patients Sarah D. Bixby Carlo Buonomo 211

Midgut Volvulus 212

Croup 216

Langerhans Cell Histiocytosis 220

Intussusception 224

Slipped Capital Femoral Epiphysis 228

Neuroblastoma 232

Pyloric Stenosis 236

Posterior Urethral Valves 238

Congenital Cystic Adenomatoid Malformation 242

Ewing Sarcoma 246

10 A Primer on the Use of Nuclear Medicine Tests Amir H. Khandani 249

PET Overview 250

Brain Death 254

Cholecystitis 256

Gastric Emptying 258

Thyroid Nodule 260

Osteomyelitis 262

Brain Lymphoma 264

Gastrointestinal Tract (GI) Bleed 266

Renal Obstruction 268

Thyroid Disease 270

Index 273