Therapeutic Strategies in Dermatology

Spider Bites: Key Points

Key Points Spiders are 8-legged (arthropod) members of the order Araneae. Spider bites result from a self-defense reaction when a spider feels threatened and typically arise due to inadvertent meeting with a spider (i.e., accidental). There are sev…

Therapeutic Strategies in Dermatology

Venous Stasis: Treatment

Treatment Stasis dermatitis First-line therapy: The first-line therapy for stasis dermatitis includes control of edema, if possible, and use of an anti-inflammatory topical medication such as a medium potency topical corticosteroid. Stasis dermati…

Histologic Diagnosis of Inflammatory Skin Diseases

Muscles

In the skin, smooth muscle occurs in two different unrelated settings. One is in fascicles that form muscles of hair erection and the other is in the wall of arterioles and venules. The fascicles that make up the arrector pili muscle originate from…

A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

A Clinical Atlas of 101 Common Skin Diseases

Dermatomyositis

An inflammatory disease of children and adults that tends to involve skin and skeletal muscle mostly, the findings in the skin being patches with the color of heliotrope, especially in the periocular region. The disease manifests itself as poikilode…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatomyositis

…f childhood dermatomyositis: Widespread vasculitis in striated muscles and in the gastrointestinal tract, rapid onset of weakness of muscles, unresponsive to corticosteroids administered systemically, and ending fatally. Adult dermatomyositis Profou…

Histologic Diagnosis of Inflammatory Skin Diseases

Embryologic Development

All constituents of human skin are derived from either ectoderm or mesoderm. The epithelial structures, i.e., epidermis (surface and infundibular), apocrine units, sebaceous units, hair follicles, eccrine units, and nail units, come from ectoderm. M…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…thmic and stem epithelium, function as sites of attachment for muscles of hair erection, but in a random section, such as this one, muscles of hair erection may not be seen to connect with them. Unlike certain animals whose coat of hair is shed in sy…

Dermatology Practical & Conceptual

Notalgia paresthetica: the unreachable itch

…weeks [9]. A case study using exercises to strengthen postural muscles and extend the spine, thereby reducing the angle of the cutaneous nerves as they pass through the muscles and the transverse processes, completely eliminated pruritus in two women…