Search Results for: rosacea-like tuberculid

Histologic Diagnosis of Inflammatory Skin Diseases

Erysipelas

…ly of a fisherman or a butcher, following trauma at the site. Rosacea that is “lymphedematous” differs by the presence of numerous papules and papulopustules. Findings histopathologic Early Sparse superficial and deep perivascular and int…

Differential Diagnosis in Dermatopathology

Discussions

…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 lesions of nodular vasculitis may be especially longstanding. Depe…

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 vulgaris,…

Phymatous Subtype

Phymatous Subtype

…harophyma).  Almost exclusively in males. This severe form of rosacea requires maximizing medical therapy with systemic antibiotics, and sometimes use of isotretinoin.  Once the medical regimen has been maximized, the patient is a candidate for surgi…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Acne vulgaris, erythematous papule Rosacea, erythematous papule 1. Only one follicle involved usually in a 4 mm biopsy specimen 1. Nearly all follicles involved usually in a 4 mm biopsy specimen 2. Suppurative infundibulitis prominent 2. Suppurativ…

Clinical Manifestations

Clinical Manifestations

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

Histologic Diagnosis of Inflammatory Skin Diseases

Fox-Fordyce disease

…ing 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 pilaris and phrynoderma on the other. The infiltrates of lymphocyte…

Differential Diagnosis in Dermatopathology

Images

Acne vulgaris, erythematous papule Rosacea, erythematous papule…

Histologic Diagnosis of Inflammatory Skin Diseases

Seborrheic dermatitis

…6;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 seborrheic dermatitis and psoriasis. J Invest Dermatol 1966;46:109–1…