Search Results for: vasculitis

1 8 9 10
From the Dermatologikum Hamburg

From the Dermatologikum Hamburg

…ogic changes have been described as a heavy dermal infiltrate of neutrophils with variable degrees of leukocytoclasis but no vasculitis [1,4]. Fibrinoid degeneration of collagen, resembling the collagen changes present in rheumatoid nodules in a…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…sed mostly of neutrophils in company with nuclear “dust” of neutrophils, reminiscent of that of leukocytoclastic vasculitis. The many erythrocytes extravasated in the dermis indicate how severely venules have been compromised by the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…crosis, of epidermis in continuity with viable epidermis in conditions as disparate as erythema multiforme, leukocytoclastic vasculitis, and phototoxic dermatitis. No histopathologist considers that circumstance to be “necrobiosis.” The…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Diabetic Dermopathy?

…ogic like those said to be pathognomonic of diabetic retinopathy, nephropathy, and neuropathy, nor do we observe any sign of vasculitis. In their study of changes histopathologic of diabetic dermopathy, Binkley, Gerolds, and Stoughton found ……

Two neutrophilic dermatoses captured simultaneously on histology

Two neutrophilic dermatoses captured simultaneously on histology

…nfiltrate involving the eccrine glands. A few lymphocytes are typically present in older lesions, in a perivascular pattern. Vasculitis is usually absent [3], although a secondary leukocytoclastic vasculitis has been described in several cases [2]….

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…r dermatitis (Fig. 5.6A) Superficial and deep perivascular dermatitis (Fig. 5.6B) Nodular and diffuse dermatitis (Fig. 5.6C) Vasculitis (Fig. 5.6D) Intraepidermal vesicular and pustular dermatitis (Fig. 5.6E) Subepidermal vesicular dermatitis (Fig….

Differential Diagnosis in Dermatopathology

Subcutaneous granuloma annulare vs. Rheumatoid nodule

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,…

1 8 9 10