Radiologic Clinics Of North America Screening, An Issue of Radiologic Clinics

Cover
......Page 1
Contents......Page 2
Forthcoming......Page 5
What is WBS?......Page 6
Renal cell carcinoma......Page 7
Other findings on WBS......Page 8
Risks of positive results......Page 9
Analyzing the rationale of WBS......Page 10
Distrust of authority and self-empowerment......Page 11
Is proof of value necessary?......Page 12
Psychological implications......Page 13
Variability of rate of positive results......Page 14
Entrepreneurial value of screening......Page 15
References......Page 16
Radiation issues in computed tomography screening......Page 18
Effective dose......Page 19
CTDIw......Page 20
Typical radiation dose values for screening examinations......Page 21
Coronary calcium screening examinations......Page 22
Lung cancer screening examinations......Page 23
Colon cancer screening (virtual colonoscopy) examinations......Page 24
Context for screening studies......Page 25
Typical radiation dose values for diagnostic imaging examinations......Page 26
Summary......Page 27
References......Page 28
Why screening with MRI?......Page 31
Colonic cancer......Page 32
Atherosclerosis......Page 33
Other indications......Page 34
MRI technique......Page 35
Pulmonary disease......Page 37
References......Page 38
Cancer screening......Page 41
Screening strategy or protocol......Page 42
Cost-effectiveness......Page 43
Positive and negative tests......Page 44
Governing characteristics of cancer screening......Page 45
Evaluation of a proposed screening strategy......Page 46
Potential harms and biases in evaluation......Page 47
Length-sampling bias......Page 48
Stage-migration bias: the Will Rogers phenomenon......Page 50
References......Page 51
CT screening for lung cancer......Page 53
Basis of current recommendations against screening for lung cancer......Page 54
Concerns about the National Lung Screening Trial......Page 58
What should we do now?......Page 59
References......Page 60
Current screening options......Page 62
Patient preparation......Page 63
Protocol parameters......Page 64
Reading strategies......Page 65
Performance results......Page 66
Patient experience......Page 68
Polyp size......Page 69
References......Page 70
Techniques for quantifying coronary artery calcification......Page 72
References......Page 75
Calcium scoring: criteria for evaluating its effectiveness......Page 77
Third criterion: risk factor is a good predictor of disease......Page 78
Sixth criterion: screening test causes little morbidity......Page 79
Summary......Page 80
References......Page 81
Medicolegal and ethical issues in radiologic screening......Page 83
The false-negative......Page 86
Radiation exposure......Page 87
The duty to disclose: legal and ethical perspectives......Page 88
Contrast media......Page 89
References......Page 90
Index......Page 93