Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Initial Evaluation

Initial Evaluation Erythematous, scaly, oily-looking patches on the face (nasolabial folds, medial cheeks, chin, glabella, forehead) and thick crust on the scalp are typical affected areas. Seborrheic dermatitis can also present…

Therapeutic Strategies in Dermatology

Hand Dermatitis: Initial Evaluation

Initial Evaluation Differential diagnosis Allergic contact dermatitis of the hand Tinea manuum Palmoplantar keratoderma of psoriasis

Therapeutic Strategies in Dermatology

Lupus: Initial Evaluation

Initial Evaluation Discoid lupus erythematosus Subacute lupus erythematosus Systemic lupus erythematosus Neonatal lupus erythematosus Lupus profundus Differential diagnosis Rosacea, face Ti…

Therapeutic Strategies in Dermatology

Candidiasis: Key Points

Key Points Candidiasis typically affects mucosal sites and moist and/or occluded areas of skin: groin, axilla, inframammary, infra-abdominal pannus, glans penis (in uncircumcised males), and orogenital mucosal sites. Predisposing factors include o…

Therapeutic Strategies in Dermatology

Pruritus Ani: Overview

Overview In the absence of a primary cutaneous disorder, pruritus aniis thought to have two probable causes. One is irritation from rectal mucus and fecal material. The other is nerve impingement in the sacral region causing neuropathic itch. Rarely…

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

Seborrheic Dermatitis: Principles of Seborrheic Dermatitis Management

Principles of Seborrheic Dermatitis Management Seborrheic dermatitis is a chronic intermittent condition. There is an initial treatment period followed by maintenance therapy. Many patients will relapse if maintenance therapy is not adequate. Topi…

Therapeutic Strategies in Dermatology

Syphilis (Lues): Initial Evaluation

Initial Evaluation Primary syphilis Secondary syphilis Tertiary syphilis Congenital syphilis Differential diagnosis Differential diagnosis of primary syphilis Herpes simplex virus Differ…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

Psoriasis Presentation stereotypical Age and sex Persons of any age and of both sexes Distribution of lesions Localized, e.g., single papule or plaque, or universal, i.e., erythroderma; between these extremes, a preference for elbows and knees, scal…

Differential Diagnosis in Dermatopathology

Pale-cell acanthoma vs. Psoriasis, plaque expression

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and b…