Acoustics, the science of sound, originated in the 6th century B.C. with Pythagoras, who detailed the mathematical properties of stringed instruments. Ultrasound is an oscillating sound pressure wave with a…

Leopoldo Duailibe Nogueira Santos MDDepartment of Dermatology and Skin Science University of British Columbia, Vancouver, CanadaUniversity of British Columbia, Vancouver, CanadaJerry Shapiro MD FRCPCDepartment of Dermatology and Skin Science University…

Many patients present to dermatologists with the complaint of dyspigmentation. This is a broad term, which includes disorders of melanin deposition, disorders of superficial vasculature, and disorders of both. Examples…

Palmar hyperhidrosis is a pathological condition in which excessive sweat secretion is produced by the eccrine sweat glands in the palms.-Although several studies have documented the long-term efficacy of botulimun…

INTRODUCTIONLong-term exposure to sunlight, including ultraviolet A and B (UVA and UVB), produces signs associated with photoaging and photodamage, including solar lentigines, also known as sun or age spots, dyschromia,…

INTRODUCTION Skin aging is characterized by skin laxity, photodamage, appearance of visible lines and wrinkles and an overall decline in skin texture.1 Skin resurfacing refers to removal and regeneration of…

INTRODUCTIONAs the aging population in our society continues to increase, many people are seeking technologies and treatments to help achieve a more youthful appearance. This, coupled with the general population’s…

INTRODUCTION The demand for safe and effective devices for non-invasive body shaping and reduction of fat has steadily risen over the last decade. Many modalities have been developed to target…

INTRODUCTIONDemand for a non-invasive and long-lasting treatment to reduce wrinkles and laxity has grown dramatically over the past few decades as new aesthetic technologies have been introduced into practice. A…

INTRODUCTION Molluscum contagiosum (MC) is a benign contagious viral skin infection that causes smooth flesh-colored pearly umbilicated papules.1,2 A member of the Poxviridae family, the MC virus is transmitted by…

INTRODUCTIONActinic keratoses are the precursor lesion for cutaneous squamous cell carcinom, and most commonly occur in sun damaged areas on the head, neck, face, trunk, and extremities. Although rates of…

INTRODUCTION Acne vulgaris traditionally is thought to be related to hyperkeratosis, increased sebum production, colonization, and inflammation.1 Research has shown that acne pathophysiology is more complex and interrelated with Propionibacterium…