Eccrine and apocrine glands represent the two major types of sweat glands (see Fig. 91.1 ). Eccrine Glands Functional from birth and activated by thermal stimuli via the hypothalamic sweat center; while their major function is thermoregulation by evaporative heat…
The folliculitides are divided into superficial and deep forms ( Table 31.1 ). Table 31.1 Classification of the folliculitides. Superficial folliculitides Deep folliculitides Infectious Furuncles Sycosis ( Table 31.3 ) 1. Barbae ( Fig. 31.2 B) 2. Lupoid 3. Mycotic…
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Common pilosebaceous disorder that occurs in ∼85% of individuals 12–24 years of age and 15–35% of adults (especially women) in their 30s–40s. Preadolescent acne affecting children between 7 and 11 years of age has also become more common due to…
This chapter covers classic transient neonatal eruptions as well as several infectious diseases and other disorders that present with vesiculopustules in the neonatal period or early infancy. Table 28.1 provides a more complete differential diagnosis of vesiculopustules, bullae, erosions, and…
There are a number of disorders that can present with vesicles and bullae, including exaggerated insect bite reactions ( Fig. 27.1 ; see Ch. 20 ), autoimmune and inherited blistering diseases (see Chapter 23, Chapter 24, Chapter 25, Chapter 26…
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Chapters 23–25 review the major autoimmune bullous diseases ( Table 23.1 ). Because of the overlap in their clinical presentations, histopathologic examination of lesional skin as well as direct immunofluorescence (DIF) of perilesional skin are usually required in order to…