Therapeutic Strategies in Dermatology

Actinomycosis: Overview

Treatment Initial Steps Treatment is with parenteral penicillin 10-20 x 106 U/day for 2-4 weeks. Additional Steps For the penicillin-allergic patient, prescribe sulfamethoxazole/trimethoprim DS (800/160) 3-5 tablets daily (2.4 to 4.0 grams sulfameth…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…titis, suppurative + 10.17.10B: Grains within an abscess = Actinomycosis A grain of actinomycosis is colored blue in its center and pink at its ray-like periphery by hematoxylin and eosin. 10.17.11A: Nodular dermatitis, suppurative + 10…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Subcutaneous Fat: Panniculitis

See Fig. 5.385 A-C. Figure 5.385 Patterns of panniculitis. A. Septal mostly. B. Lobular mostly. C. Septal and lobular “equally.” At scanning magnification, the normal subcutaneous fat is seen to be segregated by struts of fibrous tiss…

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

Deep fungal infections Synonyms Mycetoma Subcutaneous mycoses Dermal mycoses Presentation stereotypical Age and sex Any age, both sexes Distribution of lesions Localized or widespread; some infections favor exposed sites; internal organs sometimes…