Search Results for: hypergranulosis

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Differential Diagnosis in Dermatopathology

Differential Diagnosis

…pidermis, either papillated or digitated 2. Thin epidermis 3. Hypergranulosis usually 3. Granular zone normal or slightly decreased in thickness 4. Epidermis sometimes hyperpigmented 4. Epidermis consistently hyperpigmented 5. Projections of elongate…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen nitidus

…n planus is characterized by compact orthokeratosis, V-shaped hypergranulosis, jagged acanthosis, a lichenoid infiltrate of lymphocytes that obscures the dermoepidermal interface, and necrotic keratocytes. Histiocytes never predominate. Lichen striat…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…logic Lichen planus displays compact orthokeratosis, V-shaped hypergranulosis, and jagged acanthosis; only in lichen planopilaris are infiltrates of lymphocytes distributed along the course of adnexal structures in the reticular dermis and then along…

Differential Diagnosis in Dermatopathology

Discussions

…The evidence for that is prominent compact orthokeratosis and hypergranulosis in virtually all lesions of lichen amyloidosis, signs incontrovertible of persistent, prolonged rubbing. Macular amyloidosis that has not been rubbed and, therefore, not th…

Differential Diagnosis in Dermatopathology

Keratoacanthomatous verruca vulgaris vs. Verrucous keratoacanthoma

Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., v…

Histologic Diagnosis of Inflammatory Skin Diseases

Lupus erythematosus

…butes of lupus erythematosus. Moreover, wedge-shaped zones of hypergranulosis in repeatable pattern typical of lichen planus are not met with as a rule in classic discoid lupus erythematosus. Parakeratosis is common in classic discoid lupus erythemat…

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