Search Results for: zoster

Differential Diagnosis in Dermatopathology

Herpes simplex vs. Vaccinia

…decisions about classification were arbitrary. For example, we chose to place varicella in a chapter with herpes simplex and zoster, rather than with the other viral exanthems, some of which also are vesicular, e.g., hand, foot, and mouth disease…

Epidermal multinucleated giant cells are not always a histopathologic clue to a herpes virus infection: multinucleated epithelial giant cells in the epidermis of lesional skin biopsies from patients with acantholytic dermatoses can histologically mimic a herpes virus infection

Epidermal multinucleated giant cells are not always a histopathologic clue to a herpes virus infection: multinucleated epithelial giant cells in the epidermis of lesional skin biopsies from patients with acantholytic dermatoses can histologically mimic a herpes virus infection

…and eosin stained sections can be misleading. References 1. Cohen PR. Tests for detecting herpes simplex virus and varicella-zoster virus infections. Dermatol Clin. 1994;12:51-68. 2. Huff JC, Krueger GC, Overall JC Jr, Copeland J, Spruance SL. The…

Histologic Diagnosis of Inflammatory Skin Diseases

Post-inflammatory pigmentary alteration

…to diagnosis of the original process, e.g., fixed drug eruption resolving as sharply circumscribed round pigmented patches, zoster as round pigmented macules in a band that follows the course of a dermatome, and pityriasis rosea as oval pigmented…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…bermann disease are not necessarily indicative of vasculitis, as is evident, too, in other nonvasculitic conditions, such as zoster. Error: “Necrosis” of collagen, “necrosis” of the wall of small blood vessels, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Farmyard pox

…from infections by Parapoxvirus (farmyard pox) by methods electron microscopic and virologic. Herpes simplex, varicella, and zoster are characterized by marked ballooning, reticular alteration, and intraepidermal vesicles, but those changes are…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…Those considered in some relation with neuropathy: 1, lichen planus; 2, lichen simplex (Vidal); 3, herpes simplex; 4, herpes zoster; 5, eczema (neurotic); 6, alopecia areata; 7, dermatitis herpetiformis; 8, scleroderma; 9, vitiligo. Group 3: Those…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Erythema Dyschromicum Perstans?

…l of postinflammatory pigmentary change. If pigmentary changes that follow on the effects of inflammatory cells are noted in zosteriform distribution, a diagnosis of zoster that underwent involution may be inferred. If they are seen in macules that…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Vasculitis?

…hand and in the axilla. A lymphocytic vasculitis was evidenced.” Uhoda I, Pierard-Franchimont C, Pierard GE. Varicella-zoster virus vasculitis: a case of recurrent varicella without epidermal involvement. Dermatology 2000;200:173–75….