Search Results for: vasculitis

Histologic Diagnosis of Inflammatory Skin Diseases

Livedo vasculitis

…hie blanche. Int J Dermatol 1999;38:161-72. McCalmont CS, McCalmont TH, Jorizzo JL, White WL, Leshin B, Rothberger H. Livedo vasculitis: vasculitis or thrombotic vasculopathy? Clin Exp Dermatol 1992;17:4-8. Milian G. Les atrophies cutanees…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mucha-Habermann Disease a Lymphocytic Vasculitis?

…known etiology. Much evidence suggests that it is of infectious origin, possibly viral, with the production of a lymphocytic vasculitis or perivasculitis.” Gibson LE, Perry HO. Papulosquamous eruptions and exfoliative dermatitis. In: Moschella…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrotizing Vasculitis?

…s themselves are not necrotic. Of course, occlusion of lumina in small-vessel vasculitis of any kind, e.g., leukocytoclastic vasculitis, septic vasculitis, and livedo vasculitis, may lead to infarction, and infarction may produce necrosis of…

Histologic Diagnosis of Inflammatory Skin Diseases

Septic vasculitis

…ten are numerous in leukocytoclastic vasculitis, but they are absent as a rule from septic vasculitis. Both leukocytoclastic vasculitis and septic vasculitis are characterized by extravasation of erythrocytes, edema of the papillary dermis, necrosis…

Differential Diagnosis in Dermatopathology

Erythema nodosum vs. Nodular vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Differential Diagnosis in Dermatopathology

Nodular vasculitis vs. Subcutaneous polyarteritis nodosa

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular vasculitis

…effort to demonstrate Mycobacterium tuberculosis in the lesion itself. Cause and mechanism Both are unknown. Comment Nodular vasculitis, at its zenith, is nodular clinically and a vasculitis of a large muscle-containing vessel histopathologically….

Vasculitis with panniculitis following botulinum toxin A injection for cosmetic use

Vasculitis with panniculitis following botulinum toxin A injection for cosmetic use

…cost. These unlicensed materials could probably cause more severe and bizarre side effects [6]. Herein, we present a case of vasculitis with panniculitis after a patient underwent a cosmetic procedure that included injection of purported botulinum…

Histologic Diagnosis of Inflammatory Skin Diseases

Livedo vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Histologic Diagnosis of Inflammatory Skin Diseases

Septic vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…