Chapter
Selective Photothermolysis
Physical and Electronic Properties of Lasers
Spontaneous and Stimulated Emission of Radiation
Properties of Laser Light
Selective Photothermolysis
Laser Properties and Parameters
Laser- Induced Tissue Reactions and Dermatology
Tissue Reaction: Photomechanical/Photodisruptive
Tissue Reaction: Plasma-Induced Ablation
Tissue Reaction: Photoablation
Tissue Reaction: Photothermal
Tissue Reaction: Photochemical Effects (Photodynamic Therapy)
Tissue Reaction: Biostimulation
Laser Applications in Dermatology
Ablative Skin Resurfacing
Non-Fractionated Mid- Infrared Laser Devices
Fractional Photothermolysis
Fractional Photothermolysis
Non-Ablative Fractional Photothermolysis
Histological Damage Pattern and Healing Course
Ablative Fractional Photothermolysis
Histological Damage Pattern and Healing Course
Indications for Laser Applications
Continuous- and Quasi-Continuous-Wave Lasers
Common Congenital Vascular Lesions
Common Acquired Vascular Lesions
Practical Considerations and Conclusion
Selective Photothermolysis
Physical Principles in the Treatment of Pigmented Lesions
Lasers Used in the treatment of Pigmented Lesions
Side Effects of Q- Switched Lasers
Epidermal Pigmented Lesions
Mixed Epidermal and Dermal Pigmented Lesions
Patient Selection, Pre- and Post-Treatment Care
Conclusion and Future Trends
Techniques, Pigments, and Tattoo Biology
Complications of Tattooing
The Modern Era of Laser Tattoo Removal
Benefits of the Use of Q- Switched Lasers
Caveats with the Use of Q- Switched Lasers
Adverse Events Associated with Q-Switched Lasers
Resistance of Pigments to Q-Switched Lasers
Mechanisms of Laser Hair Removal
Selecting Appropriate Treatment Parameters
Adverse Events, Complications, and Safety
New and Alternative Treatment Strategies
Fully Ablative Skin Resurfacing
Non-Ablative Skin Resurfacing
Fractional Photothermolysis
Patient Selection and Evaluation for Laser Treatment
Non-Ablative Fractional Resurfacing
Ablative Fractional Resurfacing
Laser Treatment of Specific Aspects of Photoaging
Pre- and Post-Treatment Procedures
Anatomical Location and Prophylactic/Early Laser Treatment
Therapeutic Considerations Prior to Laser Surgery for Scars
Treatment of Hypertrophic Scars and Keloids
Treatment of Striae Distensae
Treatment of Atrophic Scars
Laser and Light- Based Treatments
Special Considerations for Darker-Skinned Patients
Skin Cooling for the Treatment of Vascular Lesions and Laser Hair Removal
At-Home Laser and Light- Based Devices
Acne Treatment with At-Home Devices
Anti-Aging At-Home Devices
Lasers/Light Devices for Hair Loss Treatment
Non-Laser Technologies/Light-Based Systems
Photorejuvenation with LED Technology
Other Uses for Light-Emitting Diode Photomodulation
Conclusion and Personal Comments
Photosensitizers Available in the USA
Application in Inflammatory Acne Vulgaris
Key Points for Utilization in Clinical Practice