Category Dermatology

Other Vesiculobullous Diseases

Vesiculobullous diseases of the skin encompass a wide range of entities, including autoimmune bullous diseases and inherited blistering disorders (see 28, 29, 30, 31, 32 ). This chapter focuses on the remaining non-infectious disorders in which cutaneous bullae develop and…

Epidermolysis Bullosa

Synonyms ▪ All forms of EB: EB hereditaria ▪ EB simplex: epidermolytic EB ▪ Junctional EB: EB atrophicans, EB letalis ▪ Dystrophic EB: EB dystrophica Key features ▪ Epidermolysis bullosa (EB) encompasses multiple clinically distinctive disorders that share three major…

Pemphigoid Group

Bullous Pemphigoid Synonym ▪ Pemphigoid Key features ▪ Bullous pemphigoid (BP) is the most common autoimmune subepidermal blistering disease, and its onset is often after 60 years of age ▪ It is usually a chronic disease, with spontaneous exacerbations and…

Pemphigus

Synonyms ▪ Fogo selvagem: endemic pemphigus foliaceus; Brazilian pemphigus ▪ Pemphigus erythematosus: Senear–Usher syndrome ▪ IgA pemphigus: intercellular IgA dermatosis; intraepidermal neutrophilic IgA dermatosis; intercellular IgA vesiculopustular dermatosis ▪ Paraneoplastic pemphigus: paraneoplastic autoimmune multi-organ syndrome Key features ▪ Pemphigus is…

The Biology of the Basement Membrane

Synonyms ▪ Bullous pemphigoid antigen 1: BP230 ▪ Bullous pemphigoid antigen 2: BP180; type XVII collagen ▪ Laminin 311: laminin 6 ▪ Laminin 332: laminin 5; epiligrin; kalinin; nicein; GB3 antigen; BM600 ▪ Laminin 511: laminin 10 ▪ Type VII…

Pregnancy Dermatoses

For decades, the specific dermatoses of pregnancy represented a confusing group of overlapping entities, understood largely through anecdotes and case reports. However, more recent reviews have simplified and condensed the list of pregnancy-specific dermatoses ( Table 27.1 ) . For…

Neutrophilic Dermatoses

The neutrophilic dermatoses constitute a heterogeneous but linked spectrum of diseases , with significant overlapping histopathologic findings and similar pathogenic mechanisms and therapeutic approaches. They are often associated with underlying internal diseases, which may have significant morbidity and mortality. Histologically,…

Eosinophil-Associated Dermatoses

Key features ▪ Eosinophil infiltration of the skin is commonly observed and therefore clinicopathologic correlation is required to determine a correct diagnosis ▪ Eosinophil-associated dermatoses include arthropod bite reactions and drug eruptions (“bugs and drugs”), as well as parasitic infections,…

Cutaneous Vasculitis

Key features ■ Cutaneous signs of vasculitis are a reflection of the size of the vessels involved ■ Vasculitis can be limited to the small vessels of the skin or it can be a sign of life-threatening internal organ involvement…