Search Results for: rosacea-like tuberculid

Clinical Case Studies

Rhinophyma with Basal Cell Carcinoma

…bulbous nasal tip appearance, and a growing nodule on the right nasal dorsum. (Figure 1) The patient had long-standing acne rosacea and had been treated with topical metronidazole for 7 years followed by azelaic acid gel for 2 years prior to…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…ion with tuberculosis: 1, erythema induratum; 2, lupus erythematosus; 3, lupus vulgaris; 4, lichen scrofulosorum; 5, various tuberculides. Group 4: Those arising from a focus in the skin itself: 1, impetigo contagiosa; 2, infectious eczematoid…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…ar dermatitides, therefore, can be divided rationally into those of infundibular epidermis (e.g., pustules of acne vulgaris, rosacea, and halogenodermas) and of surface epidermis (e.g., pustules of psoriasis and all of the many variants of it…

Histologic Diagnosis of Inflammatory Skin Diseases

Tuberculosis

…. (c) Lichen scrofulosorum consists of grouped papules in tuberculous children. It now is thought that none of the so-called tuberculids represents truly an “id” reaction; they either are authentic tuberculosis or another disease…

Differential Diagnosis in Dermatopathology

Discussions

…s lobules, and nearly every panniculitis that is mostly lobular also affects septa. Erythema nodosum and nodular vasculitis, like most panniculitides, are not of short duration, but tend to last, actively, for weeks and usually months. Individual…

Differential Diagnosis in Dermatopathology

Erythema nodosum vs. Nodular vasculitis

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Fox-Fordyce disease

…ne ducts sometimes Differential diagnosis histopathologic Plugging of infundibula may be seen in inflammatory diseases as unalike as lichen planopilaris and discoid lupus erythematosus on one hand and noninflammatory conditions such as keratosis…

Histologic Diagnosis of Inflammatory Skin Diseases

Seborrheic dermatitis

…ncluding the exanthemata. London: The New Sydenham Society, 1866;1:100. Marquart-Elbaz C, Cribier B.Facial dermatitis. Acne, rosacea, seborrheic dermatitis. Rev Prat 2002 1;52(19):2185–90. Pinkus H, Mehregan AH. The primary histologic lesion of…

Clinical Manifestations

Clinical Manifestations

…For more clinical images of Rosacea, please see A Clinical Atlas of 101 Common Skin Diseases on Derm101.com….

Phymatous Subtype

Phymatous Subtype

…phyma), ears (otophyma), forehead (metophyma), and eyelids (blepharophyma). Almost exclusively in males. This severe form of rosacea requires maximizing medical therapy with systemic antibiotics, and sometimes use of isotretinoin. Once the medical…