Therapeutic Strategies in Dermatology

Prurigo Nodularis: Overview

Overview Prurigo nodularis is a morphologic lesion that is a consequence of severe and repeated scratching of one area. In most patients it is secondary to an underlying pruritic condition such as photosensitive dermatitis, renal failure, or neuropa…

Therapeutic Strategies in Dermatology

Xerosis: Overview

Overview Xerosis can reflect an inherited tendency toward dry skin as it is seen as a part of the atopic diathesis, or it can occur in normal individuals as a consequence of frequent bathing with excessively hot water and harsh soaps and/or after pr…

Therapeutic Strategies in Dermatology

Folliculitis (including pseudofolliculitis barbae): Treatment

Treatment Folliculitis First-line therapy: The first-line therapy for folliculitis includes the treatment of the appropriate cause, typically infection. A diagnostic biopsy or culture may be necessary to identify the inciting infectious cause. For…

Therapeutic Strategies in Dermatology

Folliculitis (including pseudofolliculitis barbae): Key Points

Key Points Folliculitis is a term that encompasses follicular-based inflamed papules or pustules that may stem from a wide variety of causes. Important causes of folliculitis include infection (bacterial, yeast, and viral), friction, medication-in…

Therapeutic Strategies in Dermatology

Periorificial Dermatitis: Key Points

Key Points Periorificial dermatitis is a common acneiform eruption of the face that is marked by erythematous papules, sometimes with scale. Comedones are typically not present and enable its distinction from classic acne. It typically affects the…

Therapeutic Strategies in Dermatology

Lymphomatoid Papulosis: Overview

Overview Lymphomatoid papulosis (LyP) is an inflammatory disorder affecting primarily the upper dermal blood vessels. It is characterized by the presence of CD30-positive lymphocytes (sometimes large and atypical) in the dermal infiltrate. Individua…

A Clinical Atlas of 101 Common Skin Diseases

Folliculitis (Infundibulitis) and Pseudofolliculitis (Pseudoinfundibulitis)

Infundibulitis, usually a suppurative inflammatory process that involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus. In contrast, pseud…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…ariations clinical 1. Comedonal, papular, pustular, and cystic acne: Any of these types of lesions may be predominant or all may be present together. 2. Conglobate acne: The triad of acne conglobata, hidradenitis suppurativa, and dissecting celluliti…