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Lasers and Lights E-Book

Lasers and Lights E-Book

George J Hruza | Mathew Avram | Jeffrey S. Dover | Murad Alam

(2012)

Additional Information

Book Details

Abstract

This newly revised title helps you incorporate the very latest in Lasers and Lights into your busy practice. Succinctly written and lavishly illustrated, this book focus on procedural how-to’s and offer step-by-step advice on proper techniques, pitfalls, and tricks of the trade—so you can refine and hone your skills…and expand your repertoire.

  • Contains a wealth of color illustrations and photographs that depict cases as they appear in practice so you can visualize techniques clearly.
  • Updates chapters throughout the book to keep you up to date on the latest uses of lasers and lights in this rapidly moving field.
  • Includes guidance for getting the best results when performing hot techniques such as Thermage or the use of Radiofrequency lasers.

Table of Contents

Section Title Page Action Price
Front cover cover
Half title page i
Procedures in Cosmetic Dermatology ii
Lasers and Lights iii
Copyright page iv
Table of Contents v
Series Preface to the Third edition vii
Series Preface First Edition ix
Preface to the Third edition xi
Contributors xiii
Dedication xv
1 Understanding lasers, lights, and tissue interactions 1
Light 1
Light interactions with skin 1
Skin optics 3
Selective photothermolysis 3
Skin cooling: limiting thermal damage to the intended targets 5
Fractional photothermolysis 6
Conclusion 8
Further reading 8
2 Laser treatment of vascular lesions 10
Introduction and history 10
Vascular anomalies classification 11
Port-wine stain birthmarks 11
Overview 11
Treatment 12
Infantile hemangiomas 14
Overview 14
Treatment 15
Venous malformations 16
Other vascular malformations 16
Rosacea and telangiectasias 16
Other vascular lesions 17
Poikiloderma of Civatte 17
Cherry angiomas 17
Venous lakes 17
Angiokeratomas 18
Approach to treatment of vascular lesions 18
Side effects and complications 19
Further reading 19
3 Laser treatment of pigmented lesions and tattoos 20
Introduction 20
Pigment removal principles 20
Lesion selection 21
Patient selection in general 21
Patient selection for tattoo removal 21
Patient selection for benign pigmented lesion removal 22
Patient preparation 23
Treatment techniques 23
In general 23
Patients and equipment for dark-blue or black tattoo treatment 24
Fitzpatrick skin phototypes I–III 24
Fitzpatrick skin phototypes IV–VI 24
Patients and equipment for red tattoo treatment 24
Patients and equipment for green tattoo treatment 25
Patients and equipment for epidermal lesions 25
Solar lentigines, lentigo simplex, and ephelides 25
Labial melanotic macules 27
Café au lait macules and nevus spilus 27
Patients and equipment for dermoepidermal lesions 27
Becker’s nevus 28
Melasma 28
Postinflammatory hyperpigmentation 28
Drug-induced hyperpigmentation 28
Congenital nevi 29
Patients and equipment for dermal lesions 29
Nevi of Ota, Ito, and Hori 29
Congenital dermal melanocytosis 29
Argyria 29
Amalgam tattoos 29
Postoperative care 30
Troubleshooting for tattoo removal 30
Troubleshooting for pigmented lesion removal 30
Side effects and complications 30
Alterations in pigmentation 30
Paradoxical darkening of tattoo pigment 30
Thermal injury and scarring 31
Special situations 31
Tattoo granulomas 31
Multicolored tattoos 31
Further reading 31
4 Laser hair removal 33
Introduction 33
Basic hair biology 33
Mechanism of LHR 34
Key factors in optimizing treatment 34
Patient selection 34
Informed consent 40
Preoperative preparation and laser safety 40
Device variables 41
Wavelength 41
Fluence 41
Pulse duration 41
Spot size 42
Skin cooling 42
Post-procedure care 43
Long-term efficacy 43
Complications 43
Conclusion 44
Future directions 44
Advances in pain control 44
Home-use laser and light source devices for hair removal 45
Alternative technologies for hair removal 45
Further reading 46
5 Non-ablative laser and light skin rejuvenation 47
Introduction 47
Patient selection 48
Visible light and near-infrared / vascular lasers (Table 5.2) 49
Mid-infrared lasers (Table 5.3) 52
Intense pulsed light 53
Light-emitting diodes 54
Photodynamic therapy 54
Overview of treatment strategy 55
Conclusion 57
Further Reading 57
6 Non-ablative fractional laser rejuvenation 59
Introduction 59
Pathophysiology 59
Epidemiology 60
Equipment 60
Applications 61
Photoaging 61
Scarring 62
Melasma 64
Actinic keratoses 65
Striae 65
Poikiloderma of Civatte 65
Other conditions 65
Patient selection 66
Pretreatment 67
General technique 68
Cooling 68
Post-treatment 68
Safety and complications 68
Advances in technology 70
Over-the-counter devices – the future? 70
Advanced topics: treatment tips for experienced practitioners 70
Conclusion 71
Further reading 71
7 Laser resurfacing 72
Introduction 72
History 72
Patient selection 74
Expected benefits and alternatives 75
Lasers and technical overview 76
Carbon dioxide full field 76
Er : YAG full field 76
YSGG full field 77
Plasma resurfacing 77
Non-ablative fractional 77
Fractional ablative technology 77
Overview of treatment strategy 79
Laser safety 79
Treatment approach 79
Absolute contraindications 79
Active infection 79
Appendageal abnormality 79
Relative contraindications 79
Keloid or scarring history 79
Regional resurfacing in darker-skinned individuals 79
Skin grafts 79
Previous deep chemical peel or deep dermabrasion 79
History of cold sores/herpes simplex 1 81
Pre- and post-treatment regimens 81
Complications and their treatment 81
Infection 81
Erythema 81
Skin eruptions 82
Telangiectasia 82
Dermatitis 82
Hypopigmentation 82
Hyperpigmentation 83
Scarring 83
Slow healing 83
Ectropion 83
Synechia 84
Further reading 84
8 Non-surgical body contouring 86
Introduction 86
Fat versus cellulite 87
Evaluation of fatty tissue and cellulite 88
Therapeutic options 88
Topical creams 89
Injectable agents 89
Physical manipulation 90
Radiofrequency devices 91
Ultrasound devices 92
Lasers and light sources 93
Cryolipolysis 94
Conclusion 96
Further reading 96
9 Non-surgical skin tightening 97
Introduction 97
Thermal collagen remodeling 97
Radiofrequency devices 99
Monopolar radiofrequency 100
Bipolar radiofrequency 104
Combined electrical and optical energy 104
Vacuum-assisted bipolar radiofrequency 105
Hybrid monopolar and bipolar radiofrequency 106
Infrared light devices 108
Ultrasound devices 109
Tips for maximizing patient satisfaction 111
Conclusion 112
Further reading 112
10 Laser treatment of ethnic skin 114
Introduction 114
Evaluating the patient with ethnic skin 114
Treatment of epidermal pigmentation 115
Freckles and lentigines 115
Treatment of dermal pigmentation 118
Nevus of Ota 118
Hori’s macules or acquired bilateral nevus of Ota-like macules 118
Tattoo removal 119
Hair removal 119
Treatment of dermo-epidermal pigmentation 119
Becker’s nevus 119
Melasma 120
Post-inflammatory hyperpigmentation (PIH) 121
Melanocytic nevi 121
Treatment of vascular lesions 122
Ablative, non-ablative, and fractional skin resurfacing 123
Case studies 125
Conclusion 128
Further reading 128
11 Complications and legal considerations of laser and light treatments 130
Introduction 130
General considerations 130
Complications 130
General complications 131
Specific laser complications 132
Q-switched lasers 132
Fractionated non-ablative lasers 133
Ablative lasers 133
Vascular lasers 133
IPL-specific complications 133
Legal aspects 134
Further reading 135
Index 137
A 137
B 137
C 137
D 137
E 137
F 138
G 138
H 138
I 138
K 138
L 138
M 139
N 139
O 139
P 139
Q 139
R 140
S 140
T 140
U 140
V 140
W 140
X 140
Y 140