INTRODUCTIONFollowing its first use in aesthetic procedures over 20 years ago, the popularity of botulinum toxin type A (BoNT-A) has grown rapidly, and usage continues to increase. Several formulations are…

INTRODUCTION The prevalence of adult acne is not well established, although it is now recognized that many patients develop acne or have persistent acne well beyond adolescence into adulthood. It…

INTRODUCTION Acne vulgaris is a common disease that has increased in frequency in the last half century, particularly among adult women in developed nations.1 The disease is characterized by sebum…

INTRODUCTIONThe pathophysiology of acne vulgaris is multifactorial. Follicular hyperkeratinization, Propionibacterium acnes (P. acnes) proliferation, sebum production, and inflammation all contribute to the development of acne lesions.1 Therefore, the ideal acne…

INTRODUCTION The term “primary cicatricial alopecia” refers to a diverse group of disorders having as a common final pathway the destruction of the hair follicle unit.1 According to the North…

INTRODUCTION A male, aged 76 years, presented with recurrent basal cell carcinoma (BCC) of the forehead, six years after simple excision of the primary lesion. Histopathological examination of the primary…

The University of Iowa hired its first dermatologist in 1899. By 1905, it grew to become the Department of Dermatology and Syphilology. The University of Iowa began training residents following…

INTRODUCTION A 69-year old woman with a 10-year history of Parkinson's disease presented with a 3-month history of an asymptomatic eruption on her legs. Two months prior to its onset,…

SUMMARY The palmoplantar keratodermas can be difficult to learn as they are rarely encountered in clinical practice. We have found the following table helpful for highlighting the key features of…

INTRODUCTION A 54-year-old woman with a history of metastatic breast carcinoma with bilateral mastectomy presented for evaluation of a new-onset rash after initiation of treatment with capecitabine. The patient has…

INTRODUCTION A Caucasian female, aged 3 years, presented to our clinic for evaluation of asymptomatic, slowly enlarging pink and brown scaly plaques on her trunk and extremities, which had been…

INTRODUCTION The use of complementary and alternative medicine (CAM) has steadily increased in popularity over the past two decades. More than 70% of the US population has used CAM at…