The University of Massachusetts Medical School Dermatology Residency Program celebrates its twentieth anniversary in 2011. The program is based in Worcester, Massachusetts, the second-largest city in New England, in an…

INTRODUCTION Senile or actinic purpura was originally described by Bateman in 1817.1 In his original treatise, the morphology of purpura was described as dark purple blotches of an irregular form…

INTRODUCTION The successful treatment of bacterial infections improved significantly after sulfonamides were discovered to possess antibacterial properties in the late 1930s and especially when penicillin became available in the mid-1940s.…

INTRODUCTION Atopic dermatitis (AD) is a chronically relapsing, inflammatory and pruritic skin disease. In industrialized countries, the prevalence of AD is 10−20 percent in children and 1−3 percent in adults.1…

INTRODUCTION Atopic dermatitis (AD) is a chronic, relapsing, inflammatory disease, with a prevalence of 2–5 percent in the general population and approximately 15 percent in children and young adults.1 The…

DISCLOSURES The authors have no relevant conflicts of interest to disclose. REFERENCES Bylaite M, Grigaitiene J, Lapinskaite GS. Photodermatoses: Classification, evaluation and management. Br J Dermatol. 2009;161:61- 68. Fazel N,…

INTRODUCTION The number of skin cancers continues to rise, and account for approximately 40 percent of all cancers reported in the United States, resulting yearly in numerous skin surgeries and…

INTRODUCTION Hyperdynamic vertical glabellar furrows (HVGF) are an aesthetic concern in the forehead. Several techniques have been applied in an attempt to eliminate HVGF, including botulinum toxin injection,1 surgical2 or…

INTRODUCTION Acne is one of the most common skin diseases in the United States, affecting more than 85 percent of adolescents and frequently continuing into adulthood.1 Approximately 95 percent of…

INTRODUCTIONAcitretin is a second-generation aromatic retinoid. It is an active metabolite of the precursor drug, etretinate (Tegison, Hoffmann-La Roche, Nutley, NJ), which was widely used in the United States (U.S.)…

INTRODUCTION Acne, a common condition that can persist for years beyond adolescence,1 may result in scarring and post-inflammatory hyperpigmentation (PIH).2 The pathogenesis of acne is multifactorial and still not fully…

INTRODUCTION Isotretinoin (13-cis retinoic acid) has been widely used for the treatment of severe cystic or recalcitrant acne vulgaris since 1982.1 Isotretinoin is an effective medication, but a broad range…