The evaluation of lymphoid neoplasms typically requires clinicopathological correlation, and classification often requires panels of immunostains. This section of the atlas will focus on the clinical appearance of cutaneous lymphomas…
Diseases of the mucous membranes include those involving the lips, tongue, palate, gingiva, teeth, and the floor of the mouth. Inspection of this entire surface should be included in the…
The evaluation of pigmented lesions is one of the most important skill sets in dermatology. The incidence of melanoma continues to increase, and early diagnosis plays a critical role in…
This chapter provides images of a collection of conditions that result from errors in metabolism. Many of these diseases manifest in the skin secondary to the deposition of material such…
Immunobullous dermatoses may present with urticarial lesions, blisters, erosions, or pustules. IgA-mediated disease is characterized by annular lesions with a “string of pearls” morphology—bullous in the case of linear IgA…
Pigmentary disorders of the skin may present with depigmentation, hypopigmentation, or hyperpigmentation. The color, morphology, and distribution of the lesions help to suggest the correct diagnosis. Vitiligo may be segmental…
Bites and infestations present with wide-ranging manifestations, including papules, vesicles, excoriations, and urticarial lesions. Bedbug bites often involve the arms and develop clinical features of prurigo nodularis. A biopsy will…
Fungi and yeasts can cause both superficial and deep infections in the skin with a great variation in clinical findings. In healthy hosts, commensal organisms such as candida remain superficial,…
Endocrine disorders present with a range of findings that may affect any layer of the skin. The associated skin changes can lead the astute physician to suspect the underlying disorder…
This chapter includes a variety of conditions, all resulting from either inherited or acquired changes in the collagen or elastic tissue of the skin. Some inherited syndromes with particularly unique…
