Plastic Surgery Key

Abstract The nail is a specialized keratinized appendage found on the dorsum of each finger and toe. It protects the distal phalanx against trauma, is used for fine grasping and…

Abstract The word purpura is derived from the Latin word for “purple,” a clinical characteristic that helps to differentiate the lesion from erythema, which is red. Blanchability is the clinical…

Abstract Ulcers have multiple causes, including vascular diseases, neoplasms, hematologic disorders, drug-induced, connective tissue diseases, neurologic disorders, infections, physical etiologies, and idiopathic. The history and physical may point to the…

Abstract Urticaria and erythema multiforme are characterized by lesions that are so distinctive that they are assigned special names. In urticaria, the lesion is a hive (or wheal), which is…

Abstract In the disorders described in this chapter, the erythema is confined to discrete lesions and is localized to a small area of the body surface. Characteristically the epidermis is…

Abstract Pustules are collections of neutrophils that are situated superficially, usually in a hair follicle (e.g., acne and folliculitis) or just below the stratum corneum (e.g., impetigo and candidiasis). Although…

Abstract The rashes discussed in this chapter are composed of erythematous macules and papules that are widespread and sometimes confluent. Various terms have been used to describe this type of…

Abstract White spots in the skin result from decreased melanin pigmentation. This can be caused by a reduction in the number of melanocytes or a decrease in their melanin production….

Abstract The common diseases discussed in this chapter are characterized by discrete, small, erythematous papules that do not become confluent. Most of these disorders are pruritic, some markedly so. As…

Abstract Scale is the common characteristic of the diseases discussed in this chapter. Scaling disorders have also been called the papulosquamous (squamous means scaly) diseases. As previously emphasized, scale represents…