Search Results for: necrosis

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Subacute cutaneous lupus erythematosus onset preceded by Kikuchi-Fujimoto disease

Subacute cutaneous lupus erythematosus onset preceded by Kikuchi-Fujimoto disease

…generally made upon on pathological examination of the excised lymph nodes. Typical morphological features include apoptotic necrosis in paracortical areas with abundant karyorrhectic debris, infiltration of histiocytes, CD123+ plasmacytoid…

Histologic Diagnosis of Inflammatory Skin Diseases

Precepts Adjunctive to the Algorithmic Method

…uric dermatitides in which either erythrocytes extravasated or siderophages scattered are essential to diagnosis); confluent necrosis of the epidermis above a subepidermal blister because that change is anticipated in all such lesions that are of…

Histologic Diagnosis of Inflammatory Skin Diseases

Factitious dermatitis and panniculitis

…s an inflammatory reaction that, early in its course, manifests itself clinically as nodules and/or plaques secondary to fat necrosis and suppuration. Persistence of lesions results from progression of the acute inflammatory process to granulomatous…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema multiforme

…ere vascular alteration along the dermoepidermal junction in company with prominent edema of the papillary dermis. Confluent necrosis of the epidermis causes the surface of lesions to appear gray, and sloughing and denudation of the epidermis are…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ymphocytes predominant + 10.32.6B: Re-epithelialization of epidermis, marked ballooning, reticular alteration, and confluent necrosis of the roof of the original blister = Erythema multiforme The dynamic of erythema multiforme may be episodic, in…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…olysis striking 7. Necrosis of adipocytes manifested mostly by karyorrhexis; karyolysis present, but subtle 8. Membanous fat necrosis 8. No membranous fat necrosis 9. Marked sclerosis in lobules associated with mummification of adipocytes 9. No…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cytophagic Panniculitis?

…es them a characteristic “bean bag” appearance. In the subcutis, there may be locular [sic] panniculitis and fat necrosis, together with massive hyaline necrosis, oedema, and haemorrhage. Diagnosis In its later stages the condition is…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermal and Epidermal Types of Erythema Multiforme?

…me, vesicular or bullous. The roof of those blisters tends to become gray as a consequence of the epidermis having undergone necrosis. In his atlas of dermatopathology published in the 1950s, Achilles Civatte pictured erythema multiforme…

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