Search Results for: panniculitis

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Histologic Diagnosis of Inflammatory Skin Diseases

Images

…Images 10.75.1A: Panniculitis, lobular + 10.75.1B: A distinctive organism present in number, neutrophils around the organism, and histiocytes around the neutrophils = Panniculitis induced by a nematode The organism is Dirofilaria ursi….

Histologic Diagnosis of Inflammatory Skin Diseases

Rheumatoid nodule

…g lesions and thickened bundles of collagen in the center of palisades in resolving ones; granulomatous and fibrosing septal panniculitis is an accompaniment common. Injectable bovine collagen consists of thick bundles of collagen and not of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.79.1A: Diffuse dermatitis, neutrophils predominant, and panniculitis, lobular + 10.79.1B: Brown fungi characterized by a thick wall = Phaeohyphomycosis This condition is a subcutaneous variant of chromomycosis. Fungi reside mostly in…

Histologic Diagnosis of Inflammatory Skin Diseases

Crohn’s disease

…niculitis. “Metastatic” Crohn’s disease is a misleading term meant to signify granulomatous dermatitis and panniculitis at sites remote from the ends of the gastrointestinal tract of patients with Crohn’s disease, those…

Differential Diagnosis in Dermatopathology

Discoid lupus erythematosus vs. Polymorphous light eruption

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus…

Differential Diagnosis in Dermatopathology

Discussions

…lupus dermatitis, and when it involves the subcutaneous fat, of lupus panniculitis (lupus profundus)—the dermatitis and panniculitis of lupus erythematosus is analogous to lupus carditis, lupus nephritis, lupus encephalitis, lupus arthritis,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

…ical journals and medical conferences, where the issue is often debated hotly (akin to that of Kyrle’s disease and the panniculitis ostensibly caused by a1 antitrypsin deficiency). If the essential character of allergic granulomatosis will…

Differential Diagnosis in Dermatopathology

Atrophic lichen planus vs. Atrophic discoid lupus erythematosus

An inflammatory process that involves the acra, in particular fingers and toes, and sometimes the thighs with bluish red papules and nodules, which invariably is induced by cold. Chilblain is a synonym for pernio, which usually represents lupus…

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