Differential Diagnosis
Abstract Although a very broad differential diagnosis can be reached by the type of primary lesion, it can be honed by adding various descriptive terms such as color (e.g., brown…
Dermatology
Cutaneous Manifestations of Internal Disease
Abstract This appendix includes photographs of cutaneous manifestations of internal diseases broken into broad categories, including endocrine/metabolic, hematologic, rheumatologic, gastrointestinal, neurocutaneous, infectious, and renal diseases. Also included is a section…
Nail Diseases
Abstract Nails disorders, in addition to being a disease sui generis (e.g., onychomycosis), can also be a marker for an internal disorder. For example, clubbing may be a manifestation of…
Stings and Bites
Abstract The skin serves as a protection from the arthropods, parasites, and animals and, as such, frequently demonstrates cutaneous manifestations. This appendix demonstrates common arthropod reactions on the skin, such…
Topical Steroids
Abstract Topical steroids (corticosteroids) are the most important treatment option for many inflammatory disorders. This appendix divides topical corticosteroids into super high, high, intermediate, and low-potency categories for quick reference….
Botulinum Toxin
Abstract For over thirty years, botulinum neurotoxins (BoNTs) have been used for therapeutic and cosmetic applications. Of the five formulations of BoNT type A (BoNT-A) available worldwide, three have been…
Surgical Complications and Optimizing Outcomes
Abstract Complications in dermatologic surgery range from inconsequential to life-threatening and from unpredictable to entirely avoidable. Bleeding, infection and poor wound healing are of particular concern. Thorough preoperative assessment, careful…
Phlebology and Treatment of Leg Veins
Abstract The venous system of the lower extremities is a complex, interconnected network consisting of large- and small-caliber vessels. Incompetence within this system manifests clinically as visible telangiectasias, reticular veins,…
Hair Restoration
Abstract Androgenic alopecia can be slowed and sometimes partially reversed with topical and medical treatments. However, the mainstay of correcting androgenic alopecia is with 1–4 hair follicular unit transplantation of…
Injectable Soft Tissue Augmentation
Abstract Over the past few decades, the number of cosmetic procedures performed has risen significantly, with millions of procedures done each year. Use of injectable soft tissue fillers to soften…
