Therapeutic Strategies in Dermatology

Tuberculosis, Cutaneous: Overview

…vulgaris) as well as those conditions formerly called “tuberculids” (erythema induratum, papulonecrotic tuberculid, lichen scrofulosum). In all cases, tissue biopsies for culture should be performed. Often in the later conditions, cultur…

A Clinical Atlas of 101 Common Skin Diseases

Tuberculosis

An inflammatory process caused by Mycobacterium tuberculosis. In the skin, it may be primary as a consequence of direct inoculation (tuberculosis verrucosa cutis) or secondary to a focus of tuberculosis in another organ (the lung for lupus vulgaris,…

A Clinical Atlas of 101 Common Skin Diseases

Rosacea

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable telangiectases…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Id Reactions?

…t instances, is unrelated to tuberculosis. Only in lesions of papulonecrotic tuberculid have components of tubercle bacilli been found. In conclusion, the notion of “ids” as a hypersensitivity reaction to a focus of infection, e.g., candi…

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular vasculitis

…many expressions of tuberculosis and was designated a “tuberculid.” In those days, there were numerous “tuberculids,” among them rosacea-like tuberculid of Lewandowsky, papulonecrotic tuberculid, lupus miliaris disseminatus f…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…t, as the name denotes, covers much of the face. Rosacea-like tuberculid is rosacea. Differential diagnosis clinical Acne vulgaris occurs in adolescents in whom papulopustular lesions are joined by comedones. Steroid-induced rosacea results from pr…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…e ones shown here, also were diagnosed as “rosacea-like tuberculid of Lewandowsky” and “acnitis.” Patients with the particular set of findings pictured here had rosacea then and now; never was it a manifestation of tuberculosi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Wegener’s Granulomatosis?

…tules, petechiae, and ecchymoses. The most common lesion is a papulonecrotic eruption on the extremities. . . . The vasculitis in WG can be thought of as a capillaritis and as a granulomatous, lymphocyte and histiocyte-dominated vasculitis.” L…

Histologic Diagnosis of Inflammatory Skin Diseases

Tuberculosis

…nd in some of these lesions by polymerase chain reaction. (b) Papulonecrotic tuberculid presents itself as an eruption symmetric of ulcerated papules and nodules in young adults. (c) Lichen scrofulosorum consists of grouped papules in tuberculous chi…