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Histologic Diagnosis of Inflammatory Skin Diseases

Degos’ disease (malignant atrophic papulosis)

…mbilicated papules, ulcerated papules, and varicelliform white scars Course Skin lesions come and go for years, some persisting as scars characterized colloquially as being porcelain white; systemic disease manifested as the result of infarcts in the…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…r in both disorders.‚Ä®Features differentiating: Mucha-Habermann disease differs clinically from leukocytoclastic vasculitis by the presence of scales atop papules. Mucha-Habermann disease misdiagnosed clinically as lymphomatoid papulosis and vice vers

Histologic Diagnosis of Inflammatory Skin Diseases

Cat-scratch disease

…al epithelium contributes to elevation of the lesion above the surface of the skin. A pustule of cat-scratch disease comes into being when the infiltrate is rich in neutrophils and collections of them form in the epidermis. Differential diagnosis his

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mucha-Habermann Disease a Lymphocytic Vasculitis?

…ing from pityriasis lichenoides chronica, which is primarily a disease of the epidermis…Very important and never described previously in this disease is the invasion of the vessel walls by lymphocytes. In addition, the endothelial cells are swo…

Histologic Diagnosis of Inflammatory Skin Diseases

Crohn’s disease

Crohn’s disease Synonyms Inflammatory bowel disease Regional ileitis Regional enteritis Chronic cicatrizing enteritis Presentation stereotypical Age and sex Young adults; slight predominance of women Distribution of lesions The poles of the ga…

Histologic Diagnosis of Inflammatory Skin Diseases

Destombes-Rosai-Dorfman disease

Destombes-Rosai-Dorfman disease Synonyms Rosai-Dorfman disease Rosai-Dorfman histiocytosis Sinus histiocytosis with massive lymphadenopathy Presentation stereotypical Age and sex Usually in males under 25 years of age Distribution of lesions Localiz…

Differential Diagnosis in Dermatopathology

Solar keratosis vs. Bowen’s disease

…y Robert Willan, titled Description and Treatment of Cutaneous Diseases and published more than 200 years ago in 1798, was the first to use pictures for purposes of teaching clinical attributes of skin diseases. That Willan understood well the import…

Differential Diagnosis in Dermatopathology

Pemphigus vulgaris vs. Grover’s disease, pemphigus vulgaris-like

…y Robert Willan, titled Description and Treatment of Cutaneous Diseases and published more than 200 years ago in 1798, was the first to use pictures for purposes of teaching clinical attributes of skin diseases. That Willan understood well the import…

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