Abstract Tumors composed of keratinocytes, both premalignant and malignant, account for significant morbidity and some mortality. Primary and secondary prevention efforts, from public health awareness campaigns and improved protection against…
Abstract This chapter discusses the classification, terminology, and histogenesis of the most common cutaneous neural tumors along with their key clinical and pathologic features as well as differential diagnosis. These…
Abstract An infantile hemangioma (IH) represents the most common benign tumor arising in infancy. Adopting specific terminology has enabled IHs to be distinguished from other childhood vascular anomalies, including rapidly…
Abstract Lipodystrophy is the term that describes a heterogeneous group of diseases characterized by a selective fat loss in a characteristic body distribution pattern that is often accompanied by secondary…
Abstract This chapter discusses benign epidermal tumors, ranging from extremely common lesions (e.g. seborrheic keratoses) to less common (e.g. disseminated superficial actinic porokeratosis) to unusual or rare (e.g. warty dyskeratoma,…
Abstract This chapter focuses on disorders characterized by dysfunction of skin vasculature, including livedo reticularis, flushing, erythromelalgia, and nevus anemicus. In addition, vascular ectasias such as telangiectasias and venous lakes…
Abstract The blood vessels of the skin are involved in the control of body temperature and they provide a conduit for the supply of nutrients and oxygen to the skin…
Abstract The non-infectious granulomatous diseases discussed in this chapter are unified by similar histologic findings despite having disparate, often unknown, causes. They are defined by their cutaneous inflammatory infiltrate, consisting…
