Contents

Chapter 1

Basic Laser Physics and Safety 1

Ronald G.WheelanD

History 1

What Is Light? 1

What Is a Laser? 2

Currently Available Technology 5

How Does Laser Light Interact with Tissue? 5

What Is a Q-Switched Laser? 6

Indications 7

Vascular Lesions 7

Pigmented Lesions and Tattoos 7

Unwanted Hair 8

Ablative and Nonablative Facial

Resurfacing 8

Safety 8

Training 8

Signage 8

Eye Protection 9

Laser Plume 10

Laser Splatter 10

Fire 10

Future 10

References 10

Chapter 2

Laser Treatment of Vascular Lesions . . 13

Sean W. LamgaN

History 13

Port Wine Stain Treatment 13

Currently Available Lasers for Vascular Lesions 16

Indications 16

Port Wine Stains 17

Capillary (Strawberry) Hemangiomas ... 20

Leg Veins and Telangiectasia 21

Facial Telangiectasia 24

Psoriasis 26

Scars 26

Verrucae 27

Treatment of Other Cutaneous

Vascular Lesions 28

Disadvantages 28

Contraindications 29

Personal Laser Technique 30

Facial Telangiectasia 30

Port Wine Stains 32

Postoperative Care 33

Complications 33

The Future 34

References 34

Chapter 3

Laser Treatment of Pigmented Lesions. 37

Christine C. Dierickx

History 37

Selective Photothermolysis 37

Pigmented Lesion Removal by Selective Photothermolysis 37

Currently Available Technology 38

Lasers and Intense Pulsed Light Sources Used to Treat Pigmented Lesions and Tattoos 38

Indications 44

Epidermal Pigmented Lesions 44

Dermal-Epidermal Pigmented Lesions . . 46

Dermal Pigmented Lesions 47

Tattoos 48

Consent 49

Personal Laser Technique 49

Q-Switched Ruby Laser (694 nm) 50

Q-Switched Nd:YAG Laser (532-1064 nm) . 51

Q-Switched Alexandrite Laser (755 nm) . . 55

Pulsed Dye Laser (510 nm) 55

Continuous Wave (CW) Lasers 55

CO2 and Erbium Lasers 55

Intense Pulsed Light (IPL) Sources 55

Further Treatment Pearls 56

Complications 58

Future Developments 59

References 59

Chapter 4

Laser Treatment of Unwanted Hair . . . 61

David J. Goldberg, Mussarrat Hussain

History 61

Selective Photohermolysis 62

Extended Theory of Selective

Photothermolysis 62

Physical Basis of Laser Hair Removal ... 62

Pulse Duration 63

Spot Size 63

Fluence 63

Factors Affecting Efficacy/Results 63

Hair Color 63

Growth Centers of Hairs 64

Hair Cycle 64

Cooling 65

Age 65

Hormones 65

Currently Available Lasers and Light

Sources Used for Hair Removal 66

Ruby Lasers 66

Alexandrite Lasers 67

Diode Lasers 68

Nd:YAG Lasers 68

Q-Switched Nd:YAG Laser 69

Intense Pulsed Light Systems 69

Advantages 70

Disadvantages 70

Indications 70

Contraindications 71

Consent 71

Personal Laser Approach 71

Alexandrite Laser 71

Diode Laser 73

Nd:YAG Laser 73

How To Deal With Rosacea and Eczema

How To Deal With Rosacea and Eczema

Rosacea and Eczema are two skin conditions that are fairly commonly found throughout the world. Each of them is characterized by different features, and can be both discomfiting as well as result in undesirable appearance features. In a nutshell, theyre problems that many would want to deal with.

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