Search Results for: lichenoid

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Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.47.1A: Perivascular dermatitis, interface, patchy lichenoid + 10.47.1B: Keratocytes with steel-gray nuclei, “margination” of chromatin, ballooned cytoplasm, and multinucleate and necrotic keratocytes = Infection by…

Differential Diagnosis in Dermatopathology

Discussions

…necrotic keratocytes are present within an epithelium, examples being lichen planus, lichenoid discoid lupus erythematosus, lichenoid photodermatitis, and lichenoid gold dermatitis. In short, so-called satellite-cell necrosis is simply a necrotic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

-oid?

…., fibrinoid instead of fibrin, nevoid rather than nevus, and “oid-oid disease” in lieu of exudative discoid and lichenoid chronic dermatosis (which is a circumlocution for and evasion from the word nummular dermatitis). In brief,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Palpable Purpura?

…ure of the papules results from extravasation of erythrocytes in the papillary dermis and often in the epidermis itself. The lichenoid purpura of Gougerot and Blum (lichen aureus), at an early stage of its course chronologic, consists entirely of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…cluding atypical mycobacteria). The hue is a manifestation of countless bacteria stained by hematoxylin and eosin. 10.57.3A: Lichenoid and nodular dermatitis, granulomatous + 10.57.3B: Lymphocytes among dense infiltrate of histiocytes with finely…

Histologic Diagnosis of Inflammatory Skin Diseases

Collagen

…deep fungal infections and atypical mycobacterial infections, and pyoderma gangrenosum; and those typified by long-standing lichenoid infiltrates of lymphocytes, such as lichen planus, disseminated superficial actinic porokeratosis, and some…

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