Therapeutic Strategies in Dermatology

Venous Stasis: Treatment

…cises-when possible-such as flexion and extension of the calf muscles or walking to facilitate venous return to the heart. Prescribe a medium potency topical corticosteroid medication, such as triamcinolone 0.1% cream or ointment, twice daily to the…

Therapeutic Strategies in Dermatology

Spider Bites: Key Points

…odectus mactans, or the black widow spider, cause minimal local cutaneous reaction, but its venom contains components that are neurotoxic. Muscle spasm, including rigors of the abdominal muscles, suggesting an acute abdominal emergency, may occur….

Histologic Diagnosis of Inflammatory Skin Diseases

Muscles

…o 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 bulges of the isthmus and the upper part…

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

…ecome atrophic on the dorsum of the joints of fingers, and in muscles as weakness, especially of shoulder and pelvic girdles. The disease seems to be immunologic in character and, in adults, is often a response to a malignant neoplasm situated in an…

Histologic Diagnosis of Inflammatory Skin Diseases

Embryologic Development

…phages, mast cells, fibrocytes, blood vessels, lymph vessels, muscles, and adipocytes originate from mesoderm. In a 3-week-old embryo, the primordial epidermis consists of a single layer of flattened epithelial cells (Fig. 1.3A). By 4 weeks (Fig. 1.3…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatomyositis

…f dermatomyositis but is unassociated with any changes in the muscles. Brunsting-Perry type of childhood dermatomyositis: Progressive weakness, protracted course, calcinosis, and responsiveness to administration systemic of corticosteroids Banker typ…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…ost part of the stem are protrusions of the follicle to which muscles of hair erection are tethered by a tendon of fibrous tissue. Another important anatomic boundary alluded to previously is that marked by the entry of a sebaceous duct; that site de…